code format and organize imports

src/main/java/org/gcube/portal/social/networking/caches/CachesManager.java

@@ -5,6 +5,7 @@ import net.sf.ehcache.Ehcache;
 
 /**
  * Handle caches via Ehcache
+ * 
  * @author Costantino Perciante at ISTI-CNR (costantino.perciante@isti.cnr.it)
  */
 public class CachesManager {
@@ -12,16 +13,17 @@ public class CachesManager {
 	private static CacheManager cacheManager;
 	public static final CachesManager singleton = new CachesManager();
 
-	// the following caches are declared within the ehcache.xml (no default is available)
+	// the following caches are declared within the ehcache.xml (no default is
+	// available)
 	public static final String SOCIAL_NETWORKING_SITES_CACHE = "social_networking_site_cache";
 	public static final String USERS_CACHE = "users_cache";
 	public static final String GROUPS_CACHE = "groups_cache";
-	
+
-	private CachesManager(){
+	private CachesManager() {
 		cacheManager = CacheManager.newInstance();
 	}
 
-	public static Ehcache getCache(String name){
+	public static Ehcache getCache(String name) {
 		return cacheManager.getEhcache(name);
 	}
 

src/main/java/org/gcube/portal/social/networking/caches/GroupsCache.java

@@ -12,9 +12,10 @@ public class GroupsCache {
 
 	/**
 	 * Private constructor: build the cache
+	 * 
 	 * @return
 	 */
-	private GroupsCache(){
+	private GroupsCache() {
 
 		logger.debug("Building cache");
 		CachesManager.getCache(CachesManager.GROUPS_CACHE);
@@ -30,12 +31,13 @@ public class GroupsCache {
 
 	/**
 	 * Retrieve an entry
+	 * 
 	 * @param groupId
 	 * @return user associated to the user
 	 */
-	public GCubeGroup getGroup(long groupId){
+	public GCubeGroup getGroup(long groupId) {
 		Ehcache groupsCache = CachesManager.getCache(CachesManager.GROUPS_CACHE);
-		if(groupsCache.get(groupId) != null)
+		if (groupsCache.get(groupId) != null)
 			return (GCubeGroup) groupsCache.get(groupId).getObjectValue();
 		else
 			return null;
@@ -43,10 +45,11 @@ public class GroupsCache {
 
 	/**
 	 * Save an entry into the cache
+	 * 
 	 * @param id
 	 * @param group
 	 */
-	public void pushEntry(long id, GCubeGroup group){
+	public void pushEntry(long id, GCubeGroup group) {
 		Ehcache groupsCache = CachesManager.getCache(CachesManager.GROUPS_CACHE);
 		groupsCache.put(new Element(id, group));
 	}

src/main/java/org/gcube/portal/social/networking/caches/SocialNetworkingSiteFinder.java

@@ -25,9 +25,12 @@ import org.gcube.vomanagement.usermanagement.model.VirtualGroup;
 import org.slf4j.LoggerFactory;
 
 /**
- * When a notification needs to be sent, this class offers utility to discover (starting from the scope)
+ * When a notification needs to be sent, this class offers utility to discover
- * the site information needed to build up the SocialNetworkingSite object (which, for instance, contains the 
+ * (starting from the scope)
+ * the site information needed to build up the SocialNetworkingSite object
+ * (which, for instance, contains the
  * portal email).
+ * 
  * @author Costantino Perciante at ISTI-CNR (costantino.perciante@isti.cnr.it)
  */
 public class SocialNetworkingSiteFinder {
@@ -51,10 +54,10 @@ public class SocialNetworkingSiteFinder {
 	/**
 	 * Build the singleton instance
 	 */
-	private SocialNetworkingSiteFinder(){
+	private SocialNetworkingSiteFinder() {
 
 		// read fallback properties
-		try{
+		try {
 			logger.debug("Trying to read config.properties");
 			ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
 			InputStream input = classLoader.getResourceAsStream("config.properties");
@@ -63,7 +66,7 @@ public class SocialNetworkingSiteFinder {
 			PROD_FALLBACK_GATEWAY = properties.getProperty("PROD_FALLBACK_GATEWAY");
 			DEV_FALLBACK_GATEWAY = properties.getProperty("DEV_FALLBACK_GATEWAY");
 			PREPROD_FALLBACK_GATEWAY = properties.getProperty("PREPROD_FALLBACK_GATEWAY");
-		}catch(Exception e){
+		} catch (Exception e) {
 			logger.warn("Failed to read config.properties...", e);
 		}
 
@@ -72,7 +75,7 @@ public class SocialNetworkingSiteFinder {
 	/**
 	 * Retrieve the singleton instance
 	 */
-	public static SocialNetworkingSiteFinder getInstance(){
+	public static SocialNetworkingSiteFinder getInstance() {
 
 		return singleton;
 
@@ -80,21 +83,22 @@ public class SocialNetworkingSiteFinder {
 
 	/**
 	 * Retrieve the SocialNetworkingSite given the scope
+	 * 
 	 * @param scope
-	 * @return 
+	 * @return
 	 */
-	public static SocialNetworkingSite getSocialNetworkingSiteFromScope(String scope){
+	public static SocialNetworkingSite getSocialNetworkingSiteFromScope(String scope) {
-		
-	   Ehcache socialSitesCache = CachesManager.getCache(CachesManager.SOCIAL_NETWORKING_SITES_CACHE);
 
-		if(scope == null || scope.isEmpty())
+		Ehcache socialSitesCache = CachesManager.getCache(CachesManager.SOCIAL_NETWORKING_SITES_CACHE);
+
+		if (scope == null || scope.isEmpty())
 			throw new IllegalArgumentException("Scope cannot be null/empty");
 
-		if(socialSitesCache != null && socialSitesCache.get(scope) != null)
+		if (socialSitesCache != null && socialSitesCache.get(scope) != null)
 			return (SocialNetworkingSite) socialSitesCache.get(scope).getObjectValue();
-		else{
+		else {
 			SocialNetworkingSite site = discoverSite(scope);
-			if(socialSitesCache != null && site != null)
+			if (socialSitesCache != null && site != null)
 				socialSitesCache.put(new Element(scope, site));
 			return site;
 		}
@@ -103,12 +107,13 @@ public class SocialNetworkingSiteFinder {
 
 	/**
 	 * Discover the site for this scope
+	 * 
 	 * @param scope
 	 * @return
 	 */
 	private static SocialNetworkingSite discoverSite(String scope) {
 
-		try{
+		try {
 
 			logger.info("Requested site for scope " + scope);
 			GroupManager groupManager = GroupManagerWSBuilder.getInstance().getGroupManager();
@@ -116,30 +121,31 @@ public class SocialNetworkingSiteFinder {
 
 			GCubeGroup matchingGateway = null;
 
-			if(groupManager.isVRE(groupId)){
+			if (groupManager.isVRE(groupId)) {
 
 				// get the Virtual groups for the groupid related to the scope
 
 				List<VirtualGroup> virtualGroupsOfGroup = groupManager.getVirtualGroups(groupId);
 
-				if(virtualGroupsOfGroup == null || virtualGroupsOfGroup.isEmpty())
+				if (virtualGroupsOfGroup == null || virtualGroupsOfGroup.isEmpty())
 					throw new Exception("It seems that the VRE is not linked to any VirtualGroups");
 
 				// get the gateways
 				List<GCubeGroup> gateways = groupManager.getGateways();
 
-				if(gateways == null || gateways.isEmpty())
+				if (gateways == null || gateways.isEmpty())
 					throw new Exception("It seems there is no gateway here!");
 
 				logger.info("Retrieved Gateways are " + gateways);
 
-				// now, retrieve the virtual groups for each gateway and stop when a VG matches with one of the group
+				// now, retrieve the virtual groups for each gateway and stop when a VG matches
+				// with one of the group
 				// then, it is the gateway of interest
 				ext_loop: for (GCubeGroup gateway : gateways) {
 					List<VirtualGroup> gatewayVirtualGroups = groupManager.getVirtualGroups(gateway.getGroupId());
-					if(gatewayVirtualGroups != null && !gatewayVirtualGroups.isEmpty()){
+					if (gatewayVirtualGroups != null && !gatewayVirtualGroups.isEmpty()) {
 						for (VirtualGroup gatewayVirtualGroup : gatewayVirtualGroups) {
-							if(virtualGroupsOfGroup.contains(gatewayVirtualGroup)){
+							if (virtualGroupsOfGroup.contains(gatewayVirtualGroup)) {
 								logger.debug("Matching gateway for scope " + scope + " is " + gateway);
 								matchingGateway = gateway;
 								break ext_loop;
@@ -148,36 +154,37 @@ public class SocialNetworkingSiteFinder {
 					}
 				}
 
-			}else{
+			} else {
 
 				List<GCubeGroup> gateways = groupManager.getGateways();
 
-				// vo and root vo cases are treated separately: in production environment services.d4science.org is used, instead
+				// vo and root vo cases are treated separately: in production environment
+				// services.d4science.org is used, instead
 				// in dev next.d4science.org is used TODO better way...
 				ApplicationContext ctx = ContextProvider.get(); // get this info from SmartGears
-				String rootContext = "/"+ctx.container().configuration().infrastructure();
+				String rootContext = "/" + ctx.container().configuration().infrastructure();
 				String matchingGatewayName = null;
-				if(isDevOrPreprod(rootContext)){
+				if (isDevOrPreprod(rootContext)) {
 					matchingGatewayName = DEV_FALLBACK_GATEWAY;
-				}else{
+				} else {
 					matchingGatewayName = PROD_FALLBACK_GATEWAY;
 				}
 
 				// find the matching one among the gateways
 				for (GCubeGroup gateway : gateways) {
-					if(gateway.getGroupName().equals(matchingGatewayName)){
+					if (gateway.getGroupName().equals(matchingGatewayName)) {
 						matchingGateway = gateway;
 						break;
 					}
 				}
 
-				if(matchingGateway == null && isDevOrPreprod(rootContext)){
+				if (matchingGateway == null && isDevOrPreprod(rootContext)) {
 
 					logger.warn("Checking if it is the preprod environment");
 					matchingGatewayName = PREPROD_FALLBACK_GATEWAY;
 					// find the matching one among the gateways
 					for (GCubeGroup gateway : gateways) {
-						if(gateway.getGroupName().equals(matchingGatewayName)){
+						if (gateway.getGroupName().equals(matchingGatewayName)) {
 							matchingGateway = gateway;
 							break;
 						}
@@ -187,21 +194,26 @@ public class SocialNetworkingSiteFinder {
 
 			}
 
-			if(matchingGateway == null){
+			if (matchingGateway == null) {
 				logger.warn("There is no gateway for such scope. Returning null");
 				return null;
-			}else{
+			} else {
 				String siteName = matchingGateway.getGroupName();
-				String emailSender = (String)groupManager.readCustomAttr(matchingGateway.getGroupId(), EMAIL_SENDER_SITE_CUSTOM_FIELD);
+				String emailSender = (String) groupManager.readCustomAttr(matchingGateway.getGroupId(),
-				emailSender = emailSender.replace("\"", ""); //this is because otherwise it would contains double quotes and postfix would use it as first part before @ e.g. senderEmail="aginfra@d4science.org"@d4science.org
+						EMAIL_SENDER_SITE_CUSTOM_FIELD);
+				emailSender = emailSender.replace("\"", ""); // this is because otherwise it would contains double
+																// quotes and postfix would use it as first part before
+																// @ e.g.
+																// senderEmail="aginfra@d4science.org"@d4science.org
 				String siteLandingPagePath = GCubePortalConstants.PREFIX_GROUP_URL + matchingGateway.getFriendlyURL();
 				String siteUrl = discoverHostOfServiceEndpoint(siteName);
-				SocialNetworkingSite site = new SocialNetworkingSite(siteName, emailSender, siteUrl, siteLandingPagePath);
+				SocialNetworkingSite site = new SocialNetworkingSite(siteName, emailSender, siteUrl,
+						siteLandingPagePath);
 				logger.info("Site is " + site);
 				return site;
 			}
 
-		}catch(Exception e){
+		} catch (Exception e) {
 			logger.error("Failed to determine the SocialNetworkingSite for scope " + scope, e);
 		}
 
@@ -214,20 +226,21 @@ public class SocialNetworkingSiteFinder {
 
 	/**
 	 * Retrieve endpoint host from IS for this gateway
+	 * 
 	 * @return the host for the gateway
 	 * @throws Exception
 	 */
-	private static String discoverHostOfServiceEndpoint(String gatewayName){
+	private static String discoverHostOfServiceEndpoint(String gatewayName) {
 
 		String currentScope = ScopeProvider.instance.get();
 		ApplicationContext ctx = ContextProvider.get(); // get this info from SmartGears
-		ScopeProvider.instance.set("/"+ctx.container().configuration().infrastructure());
+		ScopeProvider.instance.set("/" + ctx.container().configuration().infrastructure());
 		String host = null;
-		try{
+		try {
 
 			SimpleQuery query = queryFor(ServiceEndpoint.class);
-			query.addCondition("$resource/Profile/Name/text() eq '"+ gatewayName +"'");
+			query.addCondition("$resource/Profile/Name/text() eq '" + gatewayName + "'");
-			query.addCondition("$resource/Profile/Category/text() eq '"+ CATEGORY +"'");
+			query.addCondition("$resource/Profile/Category/text() eq '" + CATEGORY + "'");
 			DiscoveryClient<ServiceEndpoint> client = clientFor(ServiceEndpoint.class);
 			List<ServiceEndpoint> toReturn = client.submit(query);
 			for (ServiceEndpoint serviceEndpoint : toReturn) {
@@ -236,9 +249,9 @@ public class SocialNetworkingSiteFinder {
 				break;
 			}
 
-		}catch(Exception e){
+		} catch (Exception e) {
 			logger.error("Error while retrieving host for the gateway " + gatewayName);
-		}finally{
+		} finally {
 			ScopeProvider.instance.set(currentScope);
 		}
 

src/main/java/org/gcube/portal/social/networking/caches/UsersCache.java

@@ -2,9 +2,6 @@ package org.gcube.portal.social.networking.caches;
 
 import java.util.List;
 
-import net.sf.ehcache.Ehcache;
-import net.sf.ehcache.Element;
-
 import org.gcube.portal.social.networking.liferay.ws.GroupManagerWSBuilder;
 import org.gcube.portal.social.networking.liferay.ws.UserManagerWSBuilder;
 import org.gcube.smartgears.ContextProvider;
@@ -14,35 +11,42 @@ import org.gcube.vomanagement.usermanagement.UserManager;
 import org.gcube.vomanagement.usermanagement.model.GCubeUser;
 import org.slf4j.LoggerFactory;
 
+import net.sf.ehcache.Ehcache;
+import net.sf.ehcache.Element;
+
 /**
- * This cache will store GCubeUser of the users of the infrastructure as couples {user-id, user screename}
+ * This cache will store GCubeUser of the users of the infrastructure as couples
+ * {user-id, user screename}
+ * 
  * @author Costantino Perciante at ISTI-CNR (costantino.perciante@isti.cnr.it)
  */
-public class UsersCache{
+public class UsersCache {
 
 	private static final org.slf4j.Logger logger = LoggerFactory.getLogger(UsersCache.class);
 	private static UsersCache singleton = new UsersCache();
 
 	/**
 	 * Private constructor: build the cache
+	 * 
 	 * @return
 	 */
-	private UsersCache(){
+	private UsersCache() {
 
 		// create a thread to build the cache
-		new Thread(){
+		new Thread() {
 			public void run() {
-				try{
+				try {
 					logger.debug("Fetching users and putting them into cache");
 					Ehcache usersCache = CachesManager.getCache(CachesManager.USERS_CACHE);
 					GroupManager groupManager = GroupManagerWSBuilder.getInstance().getGroupManager();
 					UserManager userManager = UserManagerWSBuilder.getInstance().getUserManager();
 					ApplicationContext ctx = ContextProvider.get(); // get this info from SmartGears
-					List<GCubeUser> users = userManager.listUsersByGroup(groupManager.getGroupIdFromInfrastructureScope("/"+ctx.container().configuration().infrastructure()));
+					List<GCubeUser> users = userManager.listUsersByGroup(groupManager
+							.getGroupIdFromInfrastructureScope("/" + ctx.container().configuration().infrastructure()));
 					for (GCubeUser gCubeUser : users) {
 						usersCache.put(new Element(gCubeUser.getUserId(), gCubeUser));
 					}
-				}catch(Exception e){
+				} catch (Exception e) {
 					logger.error("Unable to retrieve user's usernames. Other users will be discovered later on", e);
 				}
 			}
@@ -59,12 +63,13 @@ public class UsersCache{
 
 	/**
 	 * Retrieve an entry
+	 * 
 	 * @param userId
 	 * @return user associated to the user
 	 */
-	public GCubeUser getUser(long userId){
+	public GCubeUser getUser(long userId) {
 		Ehcache usersCache = CachesManager.getCache(CachesManager.USERS_CACHE);
-		if(usersCache.get(userId) != null)
+		if (usersCache.get(userId) != null)
 			return (GCubeUser) usersCache.get(userId).getObjectValue();
 		else
 			return null;
@@ -72,10 +77,11 @@ public class UsersCache{
 
 	/**
 	 * Save an entry into the cache
+	 * 
 	 * @param id
 	 * @param user
 	 */
-	public void pushEntry(long id, GCubeUser user){
+	public void pushEntry(long id, GCubeUser user) {
 		Ehcache usersCache = CachesManager.getCache(CachesManager.USERS_CACHE);
 		usersCache.put(new Element(id, user));
 	}

src/main/java/org/gcube/portal/social/networking/liferay/ws/GroupManagerWSBuilder.java

@@ -7,26 +7,27 @@ import org.slf4j.LoggerFactory;
 
 /**
  * Class that builds a (singleton) GroupManagerWS object.
+ * 
  * @author Costantino Perciante at ISTI-CNR (costantino.perciante@isti.cnr.it)
  */
 public class GroupManagerWSBuilder {
-	
+
 	private static final Logger logger = LoggerFactory.getLogger(GroupManagerWSBuilder.class);
 	private static GroupManagerWSBuilder singleton = new GroupManagerWSBuilder();
 	private static GroupManager groupManagerWs;
 
-	private GroupManagerWSBuilder(){
+	private GroupManagerWSBuilder() {
 
 		logger.debug("Building GroupManager please wait");
 
-		try{
+		try {
 			groupManagerWs = new LiferayWSGroupManager(
-					LiferayJSONWsCredentials.getSingleton().getUser(), 
+					LiferayJSONWsCredentials.getSingleton().getUser(),
-					LiferayJSONWsCredentials.getSingleton().getPassword(), 
+					LiferayJSONWsCredentials.getSingleton().getPassword(),
-					LiferayJSONWsCredentials.getSingleton().getHost(), 
+					LiferayJSONWsCredentials.getSingleton().getHost(),
-					LiferayJSONWsCredentials.getSingleton().getSchema(), 
+					LiferayJSONWsCredentials.getSingleton().getSchema(),
 					LiferayJSONWsCredentials.getSingleton().getPort());
-		}catch(Exception e){
+		} catch (Exception e) {
 			logger.error("Failed to build the GroupManager. ", e);
 			return;
 		}
@@ -34,16 +35,17 @@ public class GroupManagerWSBuilder {
 		logger.debug("GroupManager instance built");
 
 	}
-	
+
 	/**
 	 * Get the user manager instance
+	 * 
 	 * @return
 	 */
-	public GroupManager getGroupManager(){
+	public GroupManager getGroupManager() {
 		return groupManagerWs;
 	}
-	
+
-	public static GroupManagerWSBuilder getInstance(){
+	public static GroupManagerWSBuilder getInstance() {
 		return singleton;
 	}
 

src/main/java/org/gcube/portal/social/networking/liferay/ws/KeycloakAPICredentials.java

@@ -5,12 +5,10 @@ import static org.gcube.resources.discovery.icclient.ICFactory.queryFor;
 
 import java.util.Iterator;
 import java.util.List;
-import java.util.Map;
 
 import org.gcube.common.encryption.encrypter.StringEncrypter;
 import org.gcube.common.resources.gcore.ServiceEndpoint;
 import org.gcube.common.resources.gcore.ServiceEndpoint.AccessPoint;
-import org.gcube.common.resources.gcore.ServiceEndpoint.Property;
 import org.gcube.common.scope.api.ScopeProvider;
 import org.gcube.resources.discovery.client.api.DiscoveryClient;
 import org.gcube.resources.discovery.client.queries.api.SimpleQuery;
@@ -19,8 +17,6 @@ import org.gcube.smartgears.context.application.ApplicationContext;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-
-
 public class KeycloakAPICredentials {
 
 	private static final Logger logger = LoggerFactory.getLogger(KeycloakAPICredentials.class);
@@ -34,7 +30,6 @@ public class KeycloakAPICredentials {
 	private String clientid;
 	private String password;
 
-
 	// Service endpoint properties
 	private final static String RUNTIME_RESOURCE_NAME = "IAM";
 	private final static String CATEGORY = "Service";
@@ -58,37 +53,39 @@ public class KeycloakAPICredentials {
 
 		String oldContext = ScopeProvider.instance.get();
 		ApplicationContext ctx = ContextProvider.get(); // get this info from SmartGears
-		ScopeProvider.instance.set("/"+ctx.container().configuration().infrastructure());
+		ScopeProvider.instance.set("/" + ctx.container().configuration().infrastructure());
-		logger.debug("Discovering liferay user's credentials in context " + ctx.container().configuration().infrastructure());
+		logger.debug("Discovering liferay user's credentials in context "
+				+ ctx.container().configuration().infrastructure());
 
-		try{
+		try {
 			List<ServiceEndpoint> resources = getConfigurationFromIS();
-			if (resources.size() == 0){
+			if (resources.size() == 0) {
-				logger.error("There is no Runtime Resource having name " + RUNTIME_RESOURCE_NAME +" and Category " + CATEGORY + " in this scope.");
+				logger.error("There is no Runtime Resource having name " + RUNTIME_RESOURCE_NAME + " and Category "
-				throw new Exception("There is no Runtime Resource having name " + RUNTIME_RESOURCE_NAME +" and Category " + CATEGORY + " in this scope.");
+						+ CATEGORY + " in this scope.");
-			}
+				throw new Exception("There is no Runtime Resource having name " + RUNTIME_RESOURCE_NAME
-			else {
+						+ " and Category " + CATEGORY + " in this scope.");
+			} else {
 				for (ServiceEndpoint res : resources) {
 					Iterator<AccessPoint> accessPointIterator = res.profile().accessPoints().iterator();
 					while (accessPointIterator.hasNext()) {
 						ServiceEndpoint.AccessPoint accessPoint = (ServiceEndpoint.AccessPoint) accessPointIterator
 								.next();
 
-						if(accessPoint.name().equals("d4science")){
+						if (accessPoint.name().equals("d4science")) {
 							keycloakURL = accessPoint.address();
 							realm = accessPoint.name();
-							clientid =  accessPoint.username();
+							clientid = accessPoint.username();
 							password = StringEncrypter.getEncrypter().decrypt(accessPoint.password());
 							logger.info("Found accesspoint URL = " + keycloakURL);
 						}
 					}
 				}
 			}
-		}catch(Exception e){
+		} catch (Exception e) {
 			logger.error("Unable to retrieve such service endpoint information!", e);
 			return;
-		}finally{
+		} finally {
-			if(oldContext != null)
+			if (oldContext != null)
 				ScopeProvider.instance.set(oldContext);
 		}
 
@@ -97,39 +94,40 @@ public class KeycloakAPICredentials {
 
 	/**
 	 * Retrieve endpoints information from IS for DB
+	 * 
 	 * @return list of endpoints for ckan database
 	 * @throws Exception
 	 */
-	private List<ServiceEndpoint> getConfigurationFromIS() throws Exception{
+	private List<ServiceEndpoint> getConfigurationFromIS() throws Exception {
 
 		SimpleQuery query = queryFor(ServiceEndpoint.class);
-		query.addCondition("$resource/Profile/Name/text() eq '"+ RUNTIME_RESOURCE_NAME +"'");
+		query.addCondition("$resource/Profile/Name/text() eq '" + RUNTIME_RESOURCE_NAME + "'");
-		query.addCondition("$resource/Profile/Category/text() eq '"+ CATEGORY +"'");
+		query.addCondition("$resource/Profile/Category/text() eq '" + CATEGORY + "'");
 		DiscoveryClient<ServiceEndpoint> client = clientFor(ServiceEndpoint.class);
 		List<ServiceEndpoint> toReturn = client.submit(query);
 		return toReturn;
 
 	}
 
-	public static  KeycloakAPICredentials getSingleton() {
+	public static KeycloakAPICredentials getSingleton() {
 		if (singleton == null)
 			singleton = new KeycloakAPICredentials();
 		return singleton;
 	}
 
-	public  String getServerURL() {
+	public String getServerURL() {
 		return keycloakURL;
 	}
 
-	public  String getClientid() {
+	public String getClientid() {
 		return clientid;
 	}
 
-	public  String getPassword() {
+	public String getPassword() {
 		return password;
 	}
 
-	public  String getRealm() {
+	public String getRealm() {
 		return realm;
 	}
 
@@ -138,6 +136,5 @@ public class KeycloakAPICredentials {
 		return "KeycloakAPICredentials [keycloakURL=" + keycloakURL + ", realm=" + realm + ", clientid=" + clientid
 				+ ", password=**************]";
 	}
-	
 
 }

src/main/java/org/gcube/portal/social/networking/liferay/ws/LiferayJSONWsCredentials.java

@@ -19,12 +19,11 @@ import org.gcube.smartgears.context.application.ApplicationContext;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-
-
 /**
  * This is a singleton bean instantiated at service start up. It contains
  * the credentials of the user who is allowed to perform calls to Liferay.
  * Its credentials are looked up from the infrastructure.
+ * 
  * @author Costantino Perciante at ISTI-CNR (costantino.perciante@isti.cnr.it)
  */
 public class LiferayJSONWsCredentials {
@@ -41,8 +40,9 @@ public class LiferayJSONWsCredentials {
 	private String password;
 	private int port;
 
-	// The token of the user used to send notifications/messages when an application token is provided. (will be read from web.xml)
+	// The token of the user used to send notifications/messages when an application
-	private String notifierUserToken; 
+	// token is provided. (will be read from web.xml)
+	private String notifierUserToken;
 
 	// Service endpoint properties
 	private final static String RUNTIME_RESOURCE_NAME = "D4Science Infrastructure Gateway";
@@ -62,10 +62,10 @@ public class LiferayJSONWsCredentials {
 	 * Load the token of the notifier user
 	 */
 	private void loadNotifierToken() {
-		try{
+		try {
 			notifierUserToken = ServletContextClass.getNotifierToken();
-			logger.debug("Token read " + notifierUserToken.substring(0, 5)+ "*********************");
+			logger.debug("Token read " + notifierUserToken.substring(0, 5) + "*********************");
-		}catch(Exception e){
+		} catch (Exception e) {
 			logger.error("Failed to read notifier user token!", e);
 		}
 	}
@@ -79,29 +79,32 @@ public class LiferayJSONWsCredentials {
 
 		String oldContext = ScopeProvider.instance.get();
 		ApplicationContext ctx = ContextProvider.get(); // get this info from SmartGears
-		ScopeProvider.instance.set("/"+ctx.container().configuration().infrastructure());
+		ScopeProvider.instance.set("/" + ctx.container().configuration().infrastructure());
-		logger.info("Discovering liferay user's credentials in context " + ctx.container().configuration().infrastructure());
+		logger.info("Discovering liferay user's credentials in context "
+				+ ctx.container().configuration().infrastructure());
 
-		try{
+		try {
 			List<ServiceEndpoint> resources = getConfigurationFromIS();
-			if (resources.size() == 0){
+			if (resources.size() == 0) {
-				logger.error("There is no Runtime Resource having name " + RUNTIME_RESOURCE_NAME +" and Category " + CATEGORY + " in this scope.");
+				logger.error("There is no Runtime Resource having name " + RUNTIME_RESOURCE_NAME + " and Category "
-				throw new Exception("There is no Runtime Resource having name " + RUNTIME_RESOURCE_NAME +" and Category " + CATEGORY + " in this scope.");
+						+ CATEGORY + " in this scope.");
-			}
+				throw new Exception("There is no Runtime Resource having name " + RUNTIME_RESOURCE_NAME
-			else {
+						+ " and Category " + CATEGORY + " in this scope.");
+			} else {
 				for (ServiceEndpoint res : resources) {
 					Iterator<AccessPoint> accessPointIterator = res.profile().accessPoints().iterator();
 					while (accessPointIterator.hasNext()) {
 						ServiceEndpoint.AccessPoint accessPoint = (ServiceEndpoint.AccessPoint) accessPointIterator
 								.next();
 
-						if(accessPoint.name().equals("JSONWSUser")){
+						if (accessPoint.name().equals("JSONWSUser")) {
 							// get base path
 							Map<String, Property> properties = accessPoint.propertyMap();
 							host = accessPoint.address();
-							schema = (String)properties.get("schema").value();
+							schema = (String) properties.get("schema").value();
-							user = StringEncrypter.getEncrypter().decrypt((String)properties.get("username").value());
+							user = StringEncrypter.getEncrypter().decrypt((String) properties.get("username").value());
-							password = StringEncrypter.getEncrypter().decrypt((String)properties.get("password").value());
+							password = StringEncrypter.getEncrypter()
+									.decrypt((String) properties.get("password").value());
 							port = Integer.valueOf(properties.get("port").value());
 
 							// break
@@ -110,11 +113,11 @@ public class LiferayJSONWsCredentials {
 					}
 				}
 			}
-		}catch(Exception e){
+		} catch (Exception e) {
 			logger.error("Unable to retrieve such service endpoint information!", e);
 			return;
-		}finally{
+		} finally {
-			if(oldContext != null)
+			if (oldContext != null)
 				ScopeProvider.instance.set(oldContext);
 		}
 
@@ -123,41 +126,42 @@ public class LiferayJSONWsCredentials {
 
 	/**
 	 * Retrieve endpoints information from IS for DB
+	 * 
 	 * @return list of endpoints for ckan database
 	 * @throws Exception
 	 */
-	private List<ServiceEndpoint> getConfigurationFromIS() throws Exception{
+	private List<ServiceEndpoint> getConfigurationFromIS() throws Exception {
 
 		SimpleQuery query = queryFor(ServiceEndpoint.class);
-		query.addCondition("$resource/Profile/Name/text() eq '"+ RUNTIME_RESOURCE_NAME +"'");
+		query.addCondition("$resource/Profile/Name/text() eq '" + RUNTIME_RESOURCE_NAME + "'");
-		query.addCondition("$resource/Profile/Category/text() eq '"+ CATEGORY +"'");
+		query.addCondition("$resource/Profile/Category/text() eq '" + CATEGORY + "'");
 		DiscoveryClient<ServiceEndpoint> client = clientFor(ServiceEndpoint.class);
 		List<ServiceEndpoint> toReturn = client.submit(query);
 		return toReturn;
 
 	}
 
-	public static  LiferayJSONWsCredentials getSingleton() {
+	public static LiferayJSONWsCredentials getSingleton() {
 		return singleton;
 	}
 
-	public  String getHost() {
+	public String getHost() {
 		return host;
 	}
 
-	public  String getSchema() {
+	public String getSchema() {
 		return schema;
 	}
 
-	public  String getUser() {
+	public String getUser() {
 		return user;
 	}
 
-	public  String getPassword() {
+	public String getPassword() {
 		return password;
 	}
 
-	public  int getPort() {
+	public int getPort() {
 		return port;
 	}
 

src/main/java/org/gcube/portal/social/networking/liferay/ws/RoleManagerWSBuilder.java

@@ -7,26 +7,27 @@ import org.slf4j.LoggerFactory;
 
 /**
  * Class that builds a (singleton) UserManagerWS object.
+ * 
  * @author Costantino Perciante at ISTI-CNR (costantino.perciante@isti.cnr.it)
  */
 public class RoleManagerWSBuilder {
-	
+
 	private static final Logger logger = LoggerFactory.getLogger(UserManagerWSBuilder.class);
 	private static RoleManagerWSBuilder singleton = new RoleManagerWSBuilder();
 	private RoleManager roleManagerWs;
 
-	private RoleManagerWSBuilder(){
+	private RoleManagerWSBuilder() {
 
 		logger.debug("Building UserManager please wait");
 
-		try{
+		try {
 			roleManagerWs = new LiferayWSRoleManager(
-					LiferayJSONWsCredentials.getSingleton().getUser(), 
+					LiferayJSONWsCredentials.getSingleton().getUser(),
-					LiferayJSONWsCredentials.getSingleton().getPassword(), 
+					LiferayJSONWsCredentials.getSingleton().getPassword(),
-					LiferayJSONWsCredentials.getSingleton().getHost(), 
+					LiferayJSONWsCredentials.getSingleton().getHost(),
-					LiferayJSONWsCredentials.getSingleton().getSchema(), 
+					LiferayJSONWsCredentials.getSingleton().getSchema(),
 					LiferayJSONWsCredentials.getSingleton().getPort());
-		}catch(Exception e){
+		} catch (Exception e) {
 			logger.error("Failed to build the UserManager. ", e);
 			return;
 		}
@@ -34,16 +35,17 @@ public class RoleManagerWSBuilder {
 		logger.debug("UserManager instance built");
 
 	}
-	
+
 	/**
 	 * Get the role manager instance
+	 * 
 	 * @return
 	 */
-	public RoleManager getRoleManager(){
+	public RoleManager getRoleManager() {
 		return roleManagerWs;
 	}
-	
+
-	public static RoleManagerWSBuilder getInstance(){
+	public static RoleManagerWSBuilder getInstance() {
 		return singleton;
 	}
 

src/main/java/org/gcube/portal/social/networking/liferay/ws/ServletContextClass.java

@@ -3,34 +3,35 @@ package org.gcube.portal.social.networking.liferay.ws;
 import javax.servlet.ServletContextEvent;
 import javax.servlet.ServletContextListener;
 
-import org.gcube.portal.social.networking.caches.UsersCache;
-
 /**
- * Loaded at start up. This class performs some init - to be done once - operations.
+ * Loaded at start up. This class performs some init - to be done once -
+ * operations.
+ * 
  * @author Costantino Perciante at ISTI-CNR (costantino.perciante@isti.cnr.it)
  */
-public class ServletContextClass implements ServletContextListener
+public class ServletContextClass implements ServletContextListener {
-{
+
-	
 	private static String notifierToken;
-	
+
 	public void contextInitialized(ServletContextEvent arg0) {
-		
+
 		// get the token and save it
 		notifierToken = arg0.getServletContext().getInitParameter("NOTIFIER_TOKEN");
-		
+
-		// start the thread to retrieve infrastructure users (which is, build up the singleton)
+		// start the thread to retrieve infrastructure users (which is, build up the
-		//UsersCache.getSingleton();
+		// singleton)
-		
+		// UsersCache.getSingleton();
+
 	}
 
 	@Override
-	public void contextDestroyed(ServletContextEvent arg0){ 
+	public void contextDestroyed(ServletContextEvent arg0) {
 		// on shutdown
 	}
 
 	/**
 	 * Returns the token of the Liferay's User.
+	 * 
 	 * @return
 	 */
 	public static String getNotifierToken() {

src/main/java/org/gcube/portal/social/networking/liferay/ws/UserManagerWSBuilder.java

@@ -7,6 +7,7 @@ import org.slf4j.LoggerFactory;
 
 /**
  * Class that builds a (singleton) UserManagerWS object.
+ * 
  * @author Costantino Perciante at ISTI-CNR (costantino.perciante@isti.cnr.it)
  */
 public class UserManagerWSBuilder {
@@ -15,18 +16,18 @@ public class UserManagerWSBuilder {
 	private static UserManagerWSBuilder singleton = new UserManagerWSBuilder();
 	private UserManager userManagerWs;
 
-	private UserManagerWSBuilder(){
+	private UserManagerWSBuilder() {
 
 		logger.debug("Building UserManager please wait");
 
-		try{
+		try {
 			userManagerWs = new LiferayWSUserManager(
-					LiferayJSONWsCredentials.getSingleton().getUser(), 
+					LiferayJSONWsCredentials.getSingleton().getUser(),
-					LiferayJSONWsCredentials.getSingleton().getPassword(), 
+					LiferayJSONWsCredentials.getSingleton().getPassword(),
-					LiferayJSONWsCredentials.getSingleton().getHost(), 
+					LiferayJSONWsCredentials.getSingleton().getHost(),
-					LiferayJSONWsCredentials.getSingleton().getSchema(), 
+					LiferayJSONWsCredentials.getSingleton().getSchema(),
 					LiferayJSONWsCredentials.getSingleton().getPort());
-		}catch(Exception e){
+		} catch (Exception e) {
 			logger.error("Failed to build the UserManager. ", e);
 			return;
 		}
@@ -34,16 +35,17 @@ public class UserManagerWSBuilder {
 		logger.debug("UserManager instance built");
 
 	}
-	
+
 	/**
 	 * Get the user manager instance
+	 * 
 	 * @return
 	 */
-	public UserManager getUserManager(){
+	public UserManager getUserManager() {
 		return userManagerWs;
 	}
-	
+
-	public static UserManagerWSBuilder getInstance(){
+	public static UserManagerWSBuilder getInstance() {
 		return singleton;
 	}
 

src/main/java/org/gcube/portal/social/networking/ws/WelcomeService.java

@@ -14,6 +14,7 @@ public class WelcomeService {
 	@GET
 	@Produces(MediaType.TEXT_HTML)
 	public Response sayHtmlHello() {
-		return Response.ok("<html><body><h2>The social networking web service is up and running!</h2></body></html>").build();
+		return Response.ok("<html><body><h2>The social networking web service is up and running!</h2></body></html>")
+				.build();
 	}
 }

src/main/java/org/gcube/portal/social/networking/ws/docs/DocsGenerator.java

@@ -27,14 +27,13 @@ public class DocsGenerator {
         logger.debug("pathInfo {}", pathInfo);
         try {
 
-        	 if (pathInfo.endsWith("/api-docs")) {
+            if (pathInfo.endsWith("/api-docs")) {
-                 pathInfo += "index.html";
+                pathInfo += "index.html";
-             }
+            }
-
-             if (pathInfo.endsWith("/api-docs/")) {
-                 pathInfo += "index.html";
-             }
 
+            if (pathInfo.endsWith("/api-docs/")) {
+                pathInfo += "index.html";
+            }
 
             logger.info("going to {}", pathInfo);
 
@@ -42,9 +41,9 @@ public class DocsGenerator {
             return new FileInputStream(new File(realPath));
 
         } catch (Exception e) {
-        	e.printStackTrace();
+            e.printStackTrace();
-            //MANAGE THE EXCEPTION
+            // MANAGE THE EXCEPTION
         }
-		return null;
+        return null;
     }
 }

src/main/java/org/gcube/portal/social/networking/ws/ex/ApplicationException.java

@@ -8,7 +8,6 @@ import javax.ws.rs.ext.Provider;
 import org.gcube.portal.social.networking.ws.outputs.ResponseBean;
 import org.slf4j.LoggerFactory;
 
-
 /**
  * Exception gets thrown when @Valid fail
  */

src/main/java/org/gcube/portal/social/networking/ws/ex/AuthException.java

@@ -3,10 +3,10 @@ package org.gcube.portal.social.networking.ws.ex;
 import javax.ws.rs.WebApplicationException;
 import javax.ws.rs.core.Response.Status;
 
-public class AuthException extends WebApplicationException  {
+public class AuthException extends WebApplicationException {
-	  /**
+	/**
-	 * 
+	* 
-	 */
+	*/
 	private static final long serialVersionUID = 1L;
 
 	public AuthException(Throwable cause) {

src/main/java/org/gcube/portal/social/networking/ws/ex/ValidationException.java

@@ -12,12 +12,14 @@ import org.slf4j.LoggerFactory;
 
 /**
  * Exception thrown on fail
+ * 
  * @author Costantino Perciante at ISTI-CNR
  */
 @Provider
 public class ValidationException implements ExceptionMapper<javax.validation.ValidationException> {
 
 	private static final org.slf4j.Logger logger = LoggerFactory.getLogger(ValidationException.class);
+
 	@Override
 	public Response toResponse(javax.validation.ValidationException e) {
 		final StringBuilder strBuilder = new StringBuilder();

src/main/java/org/gcube/portal/social/networking/ws/inputs/ApplicationId.java

@@ -5,17 +5,18 @@ import javax.validation.constraints.Size;
 
 import com.fasterxml.jackson.annotation.JsonProperty;
 
-
 /**
  * Application id object
+ * 
  * @author Costantino Perciante at ISTI-CNR
  */
-//@ApiModel(description="An object containing the app_id field", value="Application")
+// @ApiModel(description="An object containing the app_id field",
+// value="Application")
 public class ApplicationId {
 
 	@JsonProperty("app_id")
-	@NotNull(message="app_id cannot be null")
+	@NotNull(message = "app_id cannot be null")
-	@Size(message="app_id cannot be empty", min=1)
+	@Size(message = "app_id cannot be empty", min = 1)
 	private String appId;
 
 	public ApplicationId() {

src/main/java/org/gcube/portal/social/networking/ws/inputs/CommentInputBean.java

@@ -8,29 +8,30 @@ import javax.validation.constraints.Size;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.webcohesion.enunciate.metadata.DocumentationExample;
+
 /**
  * Generic input bean for methods that allow to comment posts
  */
 @JsonIgnoreProperties(ignoreUnknown = true) // ignore in serialization/deserialization
-public class CommentInputBean implements Serializable{
+public class CommentInputBean implements Serializable {
 
 	private static final long serialVersionUID = 5274608088828232980L;
-	
+
 	@JsonProperty("text")
-	@NotNull(message="text cannot be null")
+	@NotNull(message = "text cannot be null")
-	@Size(min=1, message="text cannot be empty")
+	@Size(min = 1, message = "text cannot be empty")
 	@DocumentationExample("I would like to comment that ...")
 	/**
 	 * text the text of the comment
 	 */
 	private String text;
-	
+
-	@NotNull(message="postid cannot be null")
+	@NotNull(message = "postid cannot be null")
 	@JsonProperty("postid")
 	/**
 	 * postid the postid of the post where you attach the comment
 	 */
-	private String postid; 
+	private String postid;
 
 	public CommentInputBean() {
 		super();
@@ -39,7 +40,7 @@ public class CommentInputBean implements Serializable{
 	/**
 	 * @param text
 	 * @param postid
-     */
+	 */
 	public CommentInputBean(String text, String postid) {
 		super();
 		this.text = text;
@@ -66,7 +67,5 @@ public class CommentInputBean implements Serializable{
 	public String toString() {
 		return "CommentInputBean [text=" + text + ", postid=" + postid + "]";
 	}
-    
-	
 
 }

src/main/java/org/gcube/portal/social/networking/ws/inputs/LikeInputBean.java

@@ -5,20 +5,19 @@ import javax.validation.constraints.Size;
 
 import com.fasterxml.jackson.annotation.JsonProperty;
 
-
 /**
  * Like Bean object
  */
 public class LikeInputBean {
-	
+
 	@JsonProperty("likeid")
-	@NotNull(message="likeid cannot be null")
+	@NotNull(message = "likeid cannot be null")
-	@Size(message="likeid cannot be empty", min=1)
+	@Size(message = "likeid cannot be empty", min = 1)
 	private String likeid;
 
 	@JsonProperty("postid")
-	@NotNull(message="postid cannot be null")
+	@NotNull(message = "postid cannot be null")
-	@Size(message="postid cannot be empty", min=1)
+	@Size(message = "postid cannot be empty", min = 1)
 	private String postid;
 
 	public LikeInputBean() {
@@ -56,5 +55,4 @@ public class LikeInputBean {
 		return "LikeInputBean [likeid=" + likeid + ", postid=" + postid + "]";
 	}
 
-	
 }

src/main/java/org/gcube/portal/social/networking/ws/inputs/PostId.java

@@ -5,16 +5,15 @@ import javax.validation.constraints.Size;
 
 import com.fasterxml.jackson.annotation.JsonProperty;
 
-
 /**
  * Application id object
-
+ * 
  */
 public class PostId {
 
 	@JsonProperty("postid")
-	@NotNull(message="postid cannot be null")
+	@NotNull(message = "postid cannot be null")
-	@Size(message="postid cannot be empty", min=1)
+	@Size(message = "postid cannot be empty", min = 1)
 	private String postId;
 
 	public PostId() {
@@ -39,5 +38,4 @@ public class PostId {
 		return "PostId [postid=" + postId + "]";
 	}
 
-	
 }

src/main/java/org/gcube/portal/social/networking/ws/inputs/PostInputBean.java

@@ -8,31 +8,33 @@ import javax.validation.constraints.Size;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.webcohesion.enunciate.metadata.DocumentationExample;
+
 /**
  * Generic input bean for methods that allow to write posts
+ * 
  * @author Costantino Perciante at ISTI-CNR
  */
 @JsonIgnoreProperties(ignoreUnknown = true) // ignore in serialization/deserialization
-public class PostInputBean implements Serializable{
+public class PostInputBean implements Serializable {
 
 	private static final long serialVersionUID = 5274608088828232980L;
 
 	@JsonProperty("text")
-	@NotNull(message="text cannot be null")
+	@NotNull(message = "text cannot be null")
-	@Size(min=1, message="text cannot be empty")
+	@Size(min = 1, message = "text cannot be empty")
 	@DocumentationExample("Dear vre members, ...")
 	/**
 	 * text the text of the post
 	 */
 	private String text;
 
-	private String previewtitle; 
+	private String previewtitle;
 
 	@JsonProperty("preview_description")
-	private String previewdescription; 
+	private String previewdescription;
 
 	@JsonProperty("preview_host")
-	private String previewhost; 
+	private String previewhost;
 
 	@JsonProperty("preview_url")
 	private String previewurl;
@@ -44,7 +46,8 @@ public class PostInputBean implements Serializable{
 	private String httpimageurl;
 
 	/**
-	 * enablenotification If true send a notification to the other vre members about this post
+	 * enablenotification If true send a notification to the other vre members about
+	 * this post
 	 */
 	@JsonProperty("enable_notification")
 	private boolean enablenotification;

src/main/java/org/gcube/portal/social/networking/ws/inputs/UserSetNotificationBean.java

@@ -5,7 +5,6 @@ import javax.validation.constraints.Size;
 
 import com.fasterxml.jackson.annotation.JsonProperty;
 
-
 /**
  * 
  *
@@ -13,19 +12,18 @@ import com.fasterxml.jackson.annotation.JsonProperty;
 public class UserSetNotificationBean {
 
 	@JsonProperty("username")
-	@NotNull(message="username cannot be null")
+	@NotNull(message = "username cannot be null")
-	@Size(message="username cannot be empty", min=1)
+	@Size(message = "username cannot be empty", min = 1)
 	private String username;
 
 	@JsonProperty("disableNotification")
-	@NotNull(message="disableNotification cannot be null")
+	@NotNull(message = "disableNotification cannot be null")
 	private Boolean disableNotification;
 
 	public UserSetNotificationBean() {
 		super();
 	}
 
-
 	/**
 	 * @param username
 	 * @param disableNotification
@@ -36,7 +34,6 @@ public class UserSetNotificationBean {
 		this.disableNotification = disableNotification;
 	}
 
-
 	public String getUsername() {
 		return username;
 	}
@@ -53,11 +50,9 @@ public class UserSetNotificationBean {
 		this.disableNotification = disableNotification;
 	}
 
-
 	@Override
 	public String toString() {
 		return "UserSetNotificationBean [username=" + username + ", disableNotification=" + disableNotification + "]";
 	}
 
-
 }

src/main/java/org/gcube/portal/social/networking/ws/mappers/CatalogueEventTypeMapper.java

@@ -11,18 +11,18 @@ public class CatalogueEventTypeMapper {
 
 	public static NotificationType getType(CatalogueEventType type) throws NotificationTypeNotFoundException {
 		switch (type) {
-		case ITEM_PUBLISHED:
+			case ITEM_PUBLISHED:
-			return NotificationType.CAT_ITEM_PUBLISHED;
+				return NotificationType.CAT_ITEM_PUBLISHED;
-		case ITEM_REJECTED:
+			case ITEM_REJECTED:
-			return NotificationType.CAT_ITEM_REJECTED;
+				return NotificationType.CAT_ITEM_REJECTED;
-		case ITEM_REMOVED:
+			case ITEM_REMOVED:
-			return NotificationType.CAT_ITEM_DELETE;
+				return NotificationType.CAT_ITEM_DELETE;
-		case ITEM_SUBMITTED:
+			case ITEM_SUBMITTED:
-			return NotificationType.CAT_ITEM_SUBMITTED;
+				return NotificationType.CAT_ITEM_SUBMITTED;
-		case ITEM_UPDATED:
+			case ITEM_UPDATED:
-			return NotificationType.CAT_ITEM_UPDATED;
+				return NotificationType.CAT_ITEM_UPDATED;
-		default:
+			default:
-			throw new NotificationTypeNotFoundException("The Catalogue event could not be mapped");
+				throw new NotificationTypeNotFoundException("The Catalogue event could not be mapped");
 		}
 	}
 }

src/main/java/org/gcube/portal/social/networking/ws/mappers/JobMapper.java

@@ -9,14 +9,14 @@ public class JobMapper {
 
 	public JobMapper() {
 	}
-	
+
 	public static RunningJob getJob(JobNotificationBean item) {
 		String jobId = null;
 		String jobName = null;
 		JobStatusType status = null;
 		String message = null;
 		String serviceName = null; // i.e., Dataminer, SmartExecutor..
-	
+
 		try {
 			jobId = item.getJobId();
 			jobName = item.getJobName();
@@ -32,33 +32,32 @@ public class JobMapper {
 	public static JobStatusType getType(JobStatusModelType type) {
 		JobStatusType toReturn = null;
 		switch (type) {
-		case CANCELLED:
+			case CANCELLED:
-			return JobStatusType.CANCELLED;
+				return JobStatusType.CANCELLED;
-		case DELETED:
+			case DELETED:
-			return JobStatusType.DELETED;
+				return JobStatusType.DELETED;
-		case FAILED:
+			case FAILED:
-			return JobStatusType.FAILED;
+				return JobStatusType.FAILED;
-		case CANCELLING:
+			case CANCELLING:
-			return JobStatusType.CANCELLING;
+				return JobStatusType.CANCELLING;
-		case DELETING:
+			case DELETING:
-			return JobStatusType.DELETING;
+				return JobStatusType.DELETING;
-		case EXECUTING:
+			case EXECUTING:
-			return JobStatusType.EXECUTING;
+				return JobStatusType.EXECUTING;
-		case NEW:
+			case NEW:
-			return JobStatusType.NEW;
+				return JobStatusType.NEW;
-		case SUBMITTED:
+			case SUBMITTED:
-			return JobStatusType.SUBMITTED;
+				return JobStatusType.SUBMITTED;
-		case SUCCEEDED:
+			case SUCCEEDED:
-			return JobStatusType.SUCCEEDED;
+				return JobStatusType.SUCCEEDED;
-		case TIMED_OUT:
+			case TIMED_OUT:
-			return JobStatusType.TIMED_OUT;
+				return JobStatusType.TIMED_OUT;
-		case WAITING:
+			case WAITING:
-			return JobStatusType.WAITING;
+				return JobStatusType.WAITING;
-		default:
+			default:
-			break;
+				break;
 		}
 		return toReturn;
 	}
 
-	
 }

src/main/java/org/gcube/portal/social/networking/ws/mappers/WorkspaceItemMapper.java

@@ -13,9 +13,9 @@ public class WorkspaceItemMapper {
 
 	public static SocialFileItem getFileItem(FileItemBean item) {
 		String id = null;
-		String name= null;
+		String name = null;
-		String title= null;
+		String title = null;
-		String path= null;
+		String path = null;
 		SocialSharedFolder parent = null;
 
 		try {
@@ -34,12 +34,12 @@ public class WorkspaceItemMapper {
 	public static SocialSharedFolder getSharedFolder(FolderBean item) {
 
 		String id = null;
-		String name= null;
+		String name = null;
-		String title= null;
+		String title = null;
-		String displayName= null;
+		String displayName = null;
-		String path= null;
+		String path = null;
-		String parentId= null;
+		String parentId = null;
-		boolean vreFolder = false;	
+		boolean vreFolder = false;
 		try {
 			id = item.getId();
 			name = item.getName();

src/main/java/org/gcube/portal/social/networking/ws/methods/v2/Comments.java

@@ -1,9 +1,7 @@
 package org.gcube.portal.social.networking.ws.methods.v2;
 
-
 import java.util.Date;
 import java.util.List;
-import java.util.UUID;
 
 import javax.validation.Valid;
 import javax.validation.ValidationException;
@@ -23,22 +21,15 @@ import org.gcube.common.authorization.library.provider.AuthorizationProvider;
 import org.gcube.common.authorization.library.utils.Caller;
 import org.gcube.common.scope.api.ScopeProvider;
 import org.gcube.portal.databook.shared.Comment;
-import org.gcube.portal.databook.shared.Feed;
 import org.gcube.portal.databook.shared.ex.FeedIDNotFoundException;
-import org.gcube.portal.social.networking.liferay.ws.UserManagerWSBuilder;
 import org.gcube.portal.social.networking.ws.inputs.CommentInputBean;
-import org.gcube.portal.social.networking.ws.inputs.PostInputBean;
 import org.gcube.portal.social.networking.ws.outputs.ResponseBean;
 import org.gcube.portal.social.networking.ws.utils.CassandraConnection;
 import org.gcube.portal.social.networking.ws.utils.ErrorMessages;
 import org.gcube.portal.social.networking.ws.utils.Filters;
 import org.gcube.portal.social.networking.ws.utils.SocialUtils;
-import org.gcube.socialnetworking.socialtoken.SocialMessageParser;
-import org.gcube.vomanagement.usermanagement.UserManager;
-import org.gcube.vomanagement.usermanagement.model.GCubeUser;
 import org.slf4j.LoggerFactory;
 
-import com.liferay.portlet.journal.FeedIdException;
 import com.webcohesion.enunciate.metadata.rs.RequestHeader;
 import com.webcohesion.enunciate.metadata.rs.RequestHeaders;
 import com.webcohesion.enunciate.metadata.rs.ResponseCode;
@@ -46,12 +37,13 @@ import com.webcohesion.enunciate.metadata.rs.StatusCodes;
 
 /**
  * REST interface for the social networking library (comments).
+ * 
  * @author Ahmed Ibrahim ISTI-CNR
  */
 @Path("2/comments")
-@RequestHeaders ({
+@RequestHeaders({
-		@RequestHeader( name = "Authorization", description = "Bearer token, see https://dev.d4science.org/how-to-access-resources"),
+		@RequestHeader(name = "Authorization", description = "Bearer token, see https://dev.d4science.org/how-to-access-resources"),
-		@RequestHeader( name = "Content-Type", description = "application/json")
+		@RequestHeader(name = "Content-Type", description = "application/json")
 })
 public class Comments {
 
@@ -59,22 +51,26 @@ public class Comments {
 	private static final org.slf4j.Logger logger = LoggerFactory.getLogger(Comments.class);
 
 	/*
-	 * Retrieve the list of comments belonging to the post id (key) of the token in the related context
+	 * Retrieve the list of comments belonging to the post id (key) of the token in
+	 * the related context
+	 * 
 	 * @param key the key as in the POST JSON representation
-	 * @pathExample /get-comments-by-post-id?key=9ea137e9-6606-45ff-a1a2-94d4e8760583
+	 * 
-	 * @return the list of comments belonging to the post identified by the key in the context identified by the token
+	 * @pathExample
+	 * /get-comments-by-post-id?key=9ea137e9-6606-45ff-a1a2-94d4e8760583
+	 * 
+	 * @return the list of comments belonging to the post identified by the key in
+	 * the context identified by the token
 	 */
 	@GET
 	@Produces(MediaType.APPLICATION_JSON)
 	@Path("get-comments-by-post-id")
-	@StatusCodes ({
+	@StatusCodes({
-			@ResponseCode ( code = 200, condition = "The list of comments is put into the 'result' field"),
+			@ResponseCode(code = 200, condition = "The list of comments is put into the 'result' field"),
-			@ResponseCode ( code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
+			@ResponseCode(code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
 	})
 	public Response getAllCommentsByPostId(
-			@NotNull
+			@NotNull @QueryParam("key") String key) {
-			@QueryParam("key")
-			String key) {
 
 		ResponseBean responseBean = new ResponseBean();
 		Status status = Status.OK;
@@ -83,13 +79,13 @@ public class Comments {
 		String username = caller.getClient().getId();
 		List<Comment> comments = null;
 
-		try{
+		try {
 			logger.debug("Retrieving comments for user id " + username);
 			comments = CassandraConnection.getInstance().getDatabookStore().getAllCommentByPost(key);
 			Filters.filterCommentsPerContext(comments, context);
 			responseBean.setResult(comments);
 			responseBean.setSuccess(true);
-		}catch(Exception e){
+		} catch (Exception e) {
 			logger.error("Unable to retrieve such comments.", e);
 			responseBean.setMessage(e.getMessage());
 			responseBean.setSuccess(false);
@@ -98,16 +94,20 @@ public class Comments {
 
 		return Response.status(status).entity(responseBean).build();
 	}
+
 	/*
-	 * Retrieve the list of comments belonging to the owner of the token in the related context
+	 * Retrieve the list of comments belonging to the owner of the token in the
-	 * @return the list of comments belonging to the owner of the token in the related context.
+	 * related context
+	 * 
+	 * @return the list of comments belonging to the owner of the token in the
+	 * related context.
 	 */
 	@GET
 	@Produces(MediaType.APPLICATION_JSON)
 	@Path("get-comments-user")
-	@StatusCodes ({
+	@StatusCodes({
-			@ResponseCode ( code = 200, condition = "The list of comments is put into the 'result' field"),
+			@ResponseCode(code = 200, condition = "The list of comments is put into the 'result' field"),
-			@ResponseCode ( code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
+			@ResponseCode(code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
 	})
 	public Response getCommentsUser() {
 
@@ -118,13 +118,13 @@ public class Comments {
 		String username = caller.getClient().getId();
 		List<Comment> comments = null;
 
-		try{
+		try {
 			logger.debug("Retrieving comments for user id " + username);
 			comments = CassandraConnection.getInstance().getDatabookStore().getRecentCommentsByUserAndDate(username, 0);
 			Filters.filterCommentsPerContext(comments, context);
 			responseBean.setResult(comments);
 			responseBean.setSuccess(true);
-		}catch(Exception e){
+		} catch (Exception e) {
 			logger.error("Unable to retrieve such comments.", e);
 			responseBean.setMessage(e.getMessage());
 			responseBean.setSuccess(false);
@@ -135,16 +135,15 @@ public class Comments {
 	}
 
 	/*
-	 * Retrieve comments of the token owner in the context bound to the token itself and filter them by date
+	 * Retrieve comments of the token owner in the context bound to the token itself
+	 * and filter them by date
 	 */
 	@GET
 	@Produces(MediaType.APPLICATION_JSON)
 	@Path("get-comments-user-by-time")
 	public Response getCommentsUserByTime(
-			@QueryParam("time")
+			@QueryParam("time") @Min(value = 0, message = "time cannot be negative") long timeInMillis)
-			@Min(value = 0, message="time cannot be negative")
+			throws ValidationException {
-			long timeInMillis
-	) throws ValidationException{
 
 		ResponseBean responseBean = new ResponseBean();
 		Status status = Status.OK;
@@ -153,14 +152,15 @@ public class Comments {
 		String username = caller.getClient().getId();
 		List<Comment> comments = null;
 
-		try{
+		try {
 			logger.debug("Retrieving comments for user id " + username);
-			comments = CassandraConnection.getInstance().getDatabookStore().getRecentCommentsByUserAndDate(username, timeInMillis);
+			comments = CassandraConnection.getInstance().getDatabookStore().getRecentCommentsByUserAndDate(username,
+					timeInMillis);
 			Filters.filterCommentsPerContext(comments, context);
 			responseBean.setResult(comments);
 			responseBean.setMessage("");
 			responseBean.setSuccess(true);
-		}catch(Exception e){
+		} catch (Exception e) {
 			logger.error("Unable to retrieve such comments.", e);
 			responseBean.setMessage(e.getMessage());
 			responseBean.setSuccess(false);
@@ -169,8 +169,10 @@ public class Comments {
 
 		return Response.status(status).entity(responseBean).build();
 	}
+
 	/**
 	 * Create a new comment to a post having as owner the auth token's owner
+	 * 
 	 * @param comment The CommentInputBean object
 	 * @return
 	 * @throws ValidationException
@@ -179,14 +181,13 @@ public class Comments {
 	@Path("comment-post")
 	@Consumes(MediaType.APPLICATION_JSON)
 	@Produces(MediaType.APPLICATION_JSON)
-	@StatusCodes ({
+	@StatusCodes({
-			@ResponseCode ( code = 201, condition = "Successfull created, the new comment is reported in the 'result' field of the returned object"),
+			@ResponseCode(code = 201, condition = "Successfull created, the new comment is reported in the 'result' field of the returned object"),
-			@ResponseCode ( code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
+			@ResponseCode(code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
 	})
 	public Response writeComment(
-			@NotNull(message="Comment to write is missing")
+			@NotNull(message = "Comment to write is missing") @Valid CommentInputBean comment)
-			@Valid
+			throws ValidationException {
-			CommentInputBean comment) throws ValidationException {
 		Caller caller = AuthorizationProvider.instance.get();
 		String username = caller.getClient().getId();
 		logger.debug("Request of writing a comment coming from user " + username);
@@ -215,14 +216,13 @@ public class Comments {
 			responseBean.setResult(theComment);
 			responseBean.setSuccess(true);
 			return Response.status(status).entity(responseBean).build();
-		} catch(FeedIDNotFoundException ex) {
+		} catch (FeedIDNotFoundException ex) {
 			logger.error("Unable to find a post comment", ex);
 			responseBean.setMessage("Could not reach the DB to write the comment, something went wrong");
 			responseBean.setSuccess(false);
 			status = Status.INTERNAL_SERVER_ERROR;
 			return Response.status(status).entity(responseBean).build();
-		}
+		} catch (Exception e) {
-		catch(Exception e) {
 			logger.error("Unable to write comment", e);
 			responseBean.setMessage("Could not reach the DB to write the comment, something went wrong");
 			responseBean.setSuccess(false);

src/main/java/org/gcube/portal/social/networking/ws/methods/v2/FullTextSearch.java

@@ -49,10 +49,10 @@ import com.webcohesion.enunciate.metadata.rs.StatusCodes;
  * REST interface for the social networking library (post and its comments).
  */
 @Path("2/full-text-search")
-@RequestHeaders ({
+@RequestHeaders({
-	  @RequestHeader( name = "Authorization", description = "Bearer token, see https://dev.d4science.org/how-to-access-resources"),
+		@RequestHeader(name = "Authorization", description = "Bearer token, see https://dev.d4science.org/how-to-access-resources"),
-	  @RequestHeader( name = "Content-Type", description = "application/json")	  
+		@RequestHeader(name = "Content-Type", description = "application/json")
-	})
+})
 public class FullTextSearch {
 
 	// Logger
@@ -60,29 +60,30 @@ public class FullTextSearch {
 
 	/**
 	 * Retrieve posts/comments that match the given query
+	 * 
 	 * @param httpServletRequest
-	 * @param query A string to search for
+	 * @param query              A string to search for
-	 * @param from the index of the base result to be returned, range[0, infinity], defaults from = 0
+	 * @param from               the index of the base result to be returned,
-	 * @param quantity defines how many results are most are to be returned, range[1, infinity], defaults from = 0,
+	 *                           range[0, infinity], defaults from = 0
-	 * @return The posts/comments returned belong to the context bound to the AUTH Token
+	 * @param quantity           defines how many results are most are to be
+	 *                           returned, range[1, infinity], defaults from = 0,
+	 * @return The posts/comments returned belong to the context bound to the AUTH
+	 *         Token
 	 * @throws ValidationException
 	 */
 	@GET
 	@Path("search-by-query")
 	@Produces(MediaType.APPLICATION_JSON)
-	@StatusCodes ({
+	@StatusCodes({
-		@ResponseCode ( code = 200, condition = "Successful retrieval of posts/comments that match the query, reported in the 'result' field of the returned object"),
+			@ResponseCode(code = 200, condition = "Successful retrieval of posts/comments that match the query, reported in the 'result' field of the returned object"),
-		@ResponseCode ( code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
+			@ResponseCode(code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
 	})
 	public Response searchByQuery(
 			@Context HttpServletRequest httpServletRequest,
-			@QueryParam("query") @NotNull(message="query cannot be null") @Size(min=1, message="query cannot be empty") 
+			@QueryParam("query") @NotNull(message = "query cannot be null") @Size(min = 1, message = "query cannot be empty") String query,
-			String query,
+			@DefaultValue("0") @QueryParam("from") @Min(value = 0, message = "from cannot be negative") int from,
-			@DefaultValue("0") @QueryParam("from") @Min(value=0, message="from cannot be negative") 
+			@DefaultValue("10") @QueryParam("quantity") @Min(value = 0, message = "quantity cannot be negative") int quantity)
-			int from, 	
+			throws ValidationException {
-			@DefaultValue("10") @QueryParam("quantity") @Min(value=0, message="quantity cannot be negative") 
-			int quantity
-			) throws ValidationException{
 
 		Caller caller = AuthorizationProvider.instance.get();
 		String username = caller.getClient().getId();
@@ -90,45 +91,45 @@ public class FullTextSearch {
 		ResponseBean responseBean = new ResponseBean();
 		Status status = Status.BAD_REQUEST;
 		responseBean.setMessage("This method can be only invoked by using a user token.");
-		
+
-		if(!TokensUtils.isUserToken(caller))
+		if (!TokensUtils.isUserToken(caller))
 			return Response.status(status).entity(responseBean).build();
-		
+
-		 status = Status.OK;
+		status = Status.OK;
-		 responseBean.setMessage(null);
+		responseBean.setMessage(null);
-		
+
 		GroupManager groupManager = GroupManagerWSBuilder.getInstance().getGroupManager();
 		UserManager userManager = UserManagerWSBuilder.getInstance().getUserManager();
 
-		try{
+		try {
 			// Retrieve user's vres in which we must search
 			Set<String> vres = new HashSet<String>();
-			
+
 			// get the group id from the current context
 			long currentGroupId = groupManager.getGroupIdFromInfrastructureScope(context);
 			GCubeUser currUser = userManager.getUserByUsername(username);
 			List<GCubeGroup> userContexts = groupManager.listGroupsByUser(currUser.getUserId());
 
 			if (groupManager.isRootVO(currentGroupId)) {
-				for (GCubeGroup group : groupManager.listGroupsByUser(currUser.getUserId())) {		
+				for (GCubeGroup group : groupManager.listGroupsByUser(currUser.getUserId())) {
 					if (groupManager.isVRE(group.getGroupId()) && userContexts.contains(group)) {
 						vres.add(groupManager.getInfrastructureScope(group.getGroupId()));
 					}
-				}				
+				}
-			}
+			} else if (groupManager.isVO(currentGroupId)) {
-			else if(groupManager.isVO(currentGroupId)){
+				for (GCubeGroup group : groupManager.listGroupsByUser(currUser.getUserId())) {
-				for (GCubeGroup group : groupManager.listGroupsByUser(currUser.getUserId())) {		
+					if (groupManager.isVRE(group.getGroupId()) && group.getParentGroupId() == currentGroupId
-					if (groupManager.isVRE(group.getGroupId()) && group.getParentGroupId() == currentGroupId && userContexts.contains(group)) {
+							&& userContexts.contains(group)) {
 						vres.add(groupManager.getInfrastructureScope(group.getGroupId()));
 					}
 				}
-			}
+			} else {
-			else {
 				vres.add(context);
-			}			
+			}
 
 			// query elastic search
-			List<EnhancedFeed> enhancedFeeds = ElasticSearchConnection.getSingleton().getElasticSearchClient().search(query, vres, from, quantity);
+			List<EnhancedFeed> enhancedFeeds = ElasticSearchConnection.getSingleton().getElasticSearchClient()
+					.search(query, vres, from, quantity);
 			Filters.hideSensitiveInformation(enhancedFeeds, caller.getClient().getId());
 			DatabookStore store = CassandraConnection.getInstance().getDatabookStore();
 
@@ -137,14 +138,14 @@ public class FullTextSearch {
 
 			// update fields "liked" and "isuser"
 			for (EnhancedFeed enhancedFeed : enhancedFeeds) {
-				if(isUsers(enhancedFeed.getFeed(), username))
+				if (isUsers(enhancedFeed.getFeed(), username))
 					enhancedFeed.setUsers(true);
-				if(likedFeeds.contains(enhancedFeed.getFeed().getKey()))
+				if (likedFeeds.contains(enhancedFeed.getFeed().getKey()))
 					enhancedFeed.setLiked(true);
 			}
 			responseBean.setResult((ArrayList<EnhancedFeed>) enhancedFeeds);
 			responseBean.setSuccess(true);
-		}catch(Exception e){
+		} catch (Exception e) {
 			logger.error("Something went wrong while searching", e);
 			responseBean.setMessage(e.getMessage());
 			responseBean.setSuccess(false);
@@ -156,6 +157,7 @@ public class FullTextSearch {
 
 	/**
 	 * tell if a feed belongs to the current user or not
+	 * 
 	 * @param tocheck
 	 * @param username
 	 * @return true if this feed is of the current user

src/main/java/org/gcube/portal/social/networking/ws/methods/v2/HashTags.java

@@ -1,13 +1,10 @@
 package org.gcube.portal.social.networking.ws.methods.v2;
 
-import java.util.List;
 import java.util.Map;
 
-import javax.validation.Valid;
+import javax.ws.rs.GET;
-import javax.validation.ValidationException;
+import javax.ws.rs.Path;
-import javax.validation.constraints.Min;
+import javax.ws.rs.Produces;
-import javax.validation.constraints.NotNull;
-import javax.ws.rs.*;
 import javax.ws.rs.core.MediaType;
 import javax.ws.rs.core.Response;
 import javax.ws.rs.core.Response.Status;
@@ -16,7 +13,6 @@ import org.gcube.common.authorization.library.provider.AuthorizationProvider;
 import org.gcube.common.authorization.library.utils.Caller;
 import org.gcube.common.scope.api.ScopeProvider;
 import org.gcube.portal.databook.server.DatabookStore;
-import org.gcube.portal.databook.shared.Post;
 import org.gcube.portal.social.networking.liferay.ws.GroupManagerWSBuilder;
 import org.gcube.portal.social.networking.ws.outputs.ResponseBean;
 import org.gcube.portal.social.networking.ws.utils.CassandraConnection;
@@ -30,12 +26,13 @@ import com.webcohesion.enunciate.metadata.rs.StatusCodes;
 
 /**
  * REST interface for the social networking library (hash tags).
+ * 
  * @author Ahmed Ibrahim ISTI-CNR
  */
 @Path("2/hashtags")
-@RequestHeaders ({
+@RequestHeaders({
-		@RequestHeader( name = "Authorization", description = "Bearer token, see https://dev.d4science.org/how-to-access-resources"),
+		@RequestHeader(name = "Authorization", description = "Bearer token, see https://dev.d4science.org/how-to-access-resources"),
-		@RequestHeader( name = "Content-Type", description = "application/json")
+		@RequestHeader(name = "Content-Type", description = "application/json")
 })
 public class HashTags {
 
@@ -44,15 +41,15 @@ public class HashTags {
 
 	@GET
 	@Path("get-hashtags-and-occurrences/")
-	@Produces({MediaType.APPLICATION_JSON})
+	@Produces({ MediaType.APPLICATION_JSON })
-	@StatusCodes ({
+	@StatusCodes({
-			@ResponseCode ( code = 200, condition = "Hashtags and occurrences retrieved, reported in the 'result' field of the returned object"),
+			@ResponseCode(code = 200, condition = "Hashtags and occurrences retrieved, reported in the 'result' field of the returned object"),
-			@ResponseCode ( code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
+			@ResponseCode(code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
 	})
 	/**
-	 * @return hashtags in the context bound to the  auth token
+	 * @return hashtags in the context bound to the auth token
 	 */
-	public Response getHashTagsAndOccurrences(){
+	public Response getHashTagsAndOccurrences() {
 
 		Caller caller = AuthorizationProvider.instance.get();
 		String username = caller.getClient().getId();
@@ -62,19 +59,20 @@ public class HashTags {
 
 		logger.debug("User " + username + " has requested hashtags of context " + context);
 
-		try{
+		try {
 			DatabookStore datastore = CassandraConnection.getInstance().getDatabookStore();
 			// TODO handle the case of VO and ROOT
-			boolean isVRE = GroupManagerWSBuilder.getInstance().getGroupManager().isVRE(GroupManagerWSBuilder.getInstance().getGroupManager().getGroupIdFromInfrastructureScope(context));
+			boolean isVRE = GroupManagerWSBuilder.getInstance().getGroupManager().isVRE(
-			if(isVRE){
+					GroupManagerWSBuilder.getInstance().getGroupManager().getGroupIdFromInfrastructureScope(context));
+			if (isVRE) {
 				Map<String, Integer> map = datastore.getVREHashtagsWithOccurrence(context);
 				responseBean.setResult(map);
 				responseBean.setSuccess(true);
-			}else{
+			} else {
 				responseBean.setMessage("Please provide a VRE token. VO and ROOT VO cases are not yet managed.");
 				responseBean.setResult(false);
 			}
-		}catch(Exception e){
+		} catch (Exception e) {
 			logger.error("Failed to retrieve hashtags", e);
 			status = Status.INTERNAL_SERVER_ERROR;
 		}

src/main/java/org/gcube/portal/social/networking/ws/methods/v2/Likes.java

@@ -1,6 +1,5 @@
 package org.gcube.portal.social.networking.ws.methods.v2;
 
-
 import java.util.List;
 
 import javax.validation.Valid;
@@ -35,12 +34,13 @@ import com.webcohesion.enunciate.metadata.rs.StatusCodes;
 
 /**
  * REST interface for the social networking library (likes).
+ * 
  * @author Ahmed Ibrahim ISTI-CNR
  */
 @Path("2/likes")
-@RequestHeaders ({
+@RequestHeaders({
-		@RequestHeader( name = "Authorization", description = "Bearer token, see https://dev.d4science.org/how-to-access-resources"),
+		@RequestHeader(name = "Authorization", description = "Bearer token, see https://dev.d4science.org/how-to-access-resources"),
-		@RequestHeader( name = "Content-Type", description = "application/json")
+		@RequestHeader(name = "Content-Type", description = "application/json")
 })
 public class Likes {
 
@@ -48,22 +48,25 @@ public class Likes {
 	private static final org.slf4j.Logger logger = LoggerFactory.getLogger(Likes.class);
 
 	/*
-	 * Retrieve the list of likes belonging to the post id (key) of the token in the related context
+	 * Retrieve the list of likes belonging to the post id (key) of the token in the
+	 * related context
+	 * 
 	 * @param key the key as in the POST JSON representation
+	 * 
 	 * @pathExample /get-likes-by-post-id?key=9ea137e9-6606-45ff-a1a2-94d4e8760583
-	 * @return the list of likes belonging to the post identified by the key in the context identified by the token
+	 * 
+	 * @return the list of likes belonging to the post identified by the key in the
+	 * context identified by the token
 	 */
 	@GET
 	@Produces(MediaType.APPLICATION_JSON)
 	@Path("get-likes-by-post-id")
-	@StatusCodes ({
+	@StatusCodes({
-			@ResponseCode ( code = 200, condition = "The list of likes is put into the 'result' field"),
+			@ResponseCode(code = 200, condition = "The list of likes is put into the 'result' field"),
-			@ResponseCode ( code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
+			@ResponseCode(code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
 	})
 	public Response getAllLikesByPostId(
-			@NotNull
+			@NotNull @QueryParam("key") String key) {
-			@QueryParam("key")
-			String key) {
 
 		ResponseBean responseBean = new ResponseBean();
 		Status status = Status.OK;
@@ -72,12 +75,12 @@ public class Likes {
 		String username = caller.getClient().getId();
 		List<Like> likes = null;
 
-		try{
+		try {
 			logger.debug("Retrieving likes for user id " + username);
 			likes = CassandraConnection.getInstance().getDatabookStore().getAllLikesByPost(key);
 			responseBean.setResult(likes);
 			responseBean.setSuccess(true);
-		}catch(Exception e){
+		} catch (Exception e) {
 			logger.error("Unable to retrieve such likes.", e);
 			responseBean.setMessage(e.getMessage());
 			responseBean.setSuccess(false);
@@ -89,6 +92,7 @@ public class Likes {
 
 	/**
 	 * Create a new like to a post in the context of the token
+	 * 
 	 * @param postid The post id to be liked
 	 * @return true if everything is OK
 	 * @throws ValidationException
@@ -97,14 +101,12 @@ public class Likes {
 	@Path("like-post")
 	@Consumes(MediaType.APPLICATION_JSON)
 	@Produces(MediaType.APPLICATION_JSON)
-	@StatusCodes ({
+	@StatusCodes({
-			@ResponseCode ( code = 201, condition = "Successful created, the like operation result is reported in the 'result' field of the returned object"),
+			@ResponseCode(code = 201, condition = "Successful created, the like operation result is reported in the 'result' field of the returned object"),
-			@ResponseCode ( code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
+			@ResponseCode(code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
 	})
 	public Response like(
-			@NotNull(message="Post to like is missing")
+			@NotNull(message = "Post to like is missing") @Valid PostId post) throws ValidationException {
-			@Valid
-			PostId post) throws ValidationException {
 		Caller caller = AuthorizationProvider.instance.get();
 		String username = caller.getClient().getId();
 		logger.debug("Request of like coming from user " + username);
@@ -115,7 +117,7 @@ public class Likes {
 		if (likeResultOperation)
 			logger.debug("Added like OK to postId " + post.getPostId());
 		else {
-			logger.error("Unable to like this post"+ post.getPostId());
+			logger.error("Unable to like this post" + post.getPostId());
 			responseBean.setMessage("Unable to like, something went wrong please see server log");
 			responseBean.setSuccess(false);
 			status = Status.INTERNAL_SERVER_ERROR;
@@ -129,6 +131,7 @@ public class Likes {
 
 	/**
 	 * Unlike to a post in the context of the token
+	 * 
 	 * @param postid The post id to be liked
 	 * @return true if everything is OK
 	 * @throws ValidationException
@@ -137,24 +140,24 @@ public class Likes {
 	@Path("unlike-post")
 	@Consumes(MediaType.APPLICATION_JSON)
 	@Produces(MediaType.APPLICATION_JSON)
-	@StatusCodes ({
+	@StatusCodes({
-			@ResponseCode ( code = 201, condition = "The unlike operation result is reported in the 'result' field of the returned object"),
+			@ResponseCode(code = 201, condition = "The unlike operation result is reported in the 'result' field of the returned object"),
-			@ResponseCode ( code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
+			@ResponseCode(code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
 	})
 	public Response unlike(
-			@NotNull(message="Post to unlike is missing")
+			@NotNull(message = "Post to unlike is missing") @Valid LikeInputBean likeInputBean)
-			@Valid
+			throws ValidationException {
-			LikeInputBean likeInputBean) throws ValidationException {
 		Caller caller = AuthorizationProvider.instance.get();
 		String username = caller.getClient().getId();
 		logger.debug("Request of unlike coming from user " + username);
 		ResponseBean responseBean = new ResponseBean();
 		Status status = Status.OK;
-		boolean likeResultOperation = SocialUtils.unlike(username, likeInputBean.getLikeid(), likeInputBean.getPostid());
+		boolean likeResultOperation = SocialUtils.unlike(username, likeInputBean.getLikeid(),
+				likeInputBean.getPostid());
 		if (likeResultOperation)
 			logger.debug("Unlike OK to postId " + likeInputBean.getPostid());
 		else {
-			logger.error("Unable to unlike this post"+ likeInputBean.getPostid());
+			logger.error("Unable to unlike this post" + likeInputBean.getPostid());
 			responseBean.setMessage("Unable to unlike, something went wrong please see server log");
 			responseBean.setSuccess(false);
 			status = Status.INTERNAL_SERVER_ERROR;

src/main/java/org/gcube/portal/social/networking/ws/methods/v2/Messages.java

@@ -23,7 +23,6 @@ import org.gcube.applicationsupportlayer.social.ApplicationNotificationsManager;
 import org.gcube.applicationsupportlayer.social.NotificationsManager;
 import org.gcube.applicationsupportlayer.social.shared.SocialNetworkingSite;
 import org.gcube.applicationsupportlayer.social.shared.SocialNetworkingUser;
-import org.gcube.common.authorization.control.annotations.AuthorizationControl;
 import org.gcube.common.authorization.library.provider.AuthorizationProvider;
 import org.gcube.common.authorization.library.provider.SecurityTokenProvider;
 import org.gcube.common.authorization.library.utils.Caller;
@@ -36,8 +35,6 @@ import org.gcube.portal.notifications.thread.MessageNotificationsThread;
 import org.gcube.portal.social.networking.caches.SocialNetworkingSiteFinder;
 import org.gcube.portal.social.networking.liferay.ws.LiferayJSONWsCredentials;
 import org.gcube.portal.social.networking.liferay.ws.UserManagerWSBuilder;
-import org.gcube.portal.social.networking.ws.ex.AuthException;
-import org.gcube.portal.social.networking.ws.inputs.UserSetNotificationBean;
 import org.gcube.portal.social.networking.ws.outputs.ResponseBean;
 import org.gcube.portal.social.networking.ws.utils.ErrorMessages;
 import org.gcube.portal.social.networking.ws.utils.TokensUtils;
@@ -56,14 +53,15 @@ import com.webcohesion.enunciate.metadata.rs.StatusCodes;
 
 /**
  * Messages services REST interface
- * @author Costantino Perciante at ISTI-CNR 
+ * 
- * (costantino.perciante@isti.cnr.it)
+ * @author Costantino Perciante at ISTI-CNR
+ *         (costantino.perciante@isti.cnr.it)
  */
 @Path("2/messages")
-@RequestHeaders ({
+@RequestHeaders({
-	  @RequestHeader( name = "Authorization", description = "Bearer token, see https://dev.d4science.org/how-to-access-resources"),
+		@RequestHeader(name = "Authorization", description = "Bearer token, see https://dev.d4science.org/how-to-access-resources"),
-	  @RequestHeader( name = "Content-Type", description = "application/json")	  
+		@RequestHeader(name = "Content-Type", description = "application/json")
-	})
+})
 public class Messages {
 
 	// Logger
@@ -71,8 +69,10 @@ public class Messages {
 
 	/**
 	 * Write a message to another user. The sender is the token's owner by default
-	 * @responseExample application/json {"success": true, "message": null, "result": "556142e3-d6f5-4550-b2fa-abe5626625d3"}
+	 * 
-	 * @param input The message to write"
+	 * @responseExample application/json {"success": true, "message": null,
+	 *                  "result": "556142e3-d6f5-4550-b2fa-abe5626625d3"}
+	 * @param input              The message to write"
 	 * @param httpServletRequest
 	 * @return see response example
 	 * @throws ValidationException
@@ -83,15 +83,14 @@ public class Messages {
 	@Path("write-message/")
 	@Consumes(MediaType.APPLICATION_JSON)
 	@Produces(MediaType.APPLICATION_JSON)
-	@StatusCodes ({
+	@StatusCodes({
-		@ResponseCode ( code = 200, condition = "Successful write a message. Its id is reported in the 'result' field of the returned object"),
+			@ResponseCode(code = 200, condition = "Successful write a message. Its id is reported in the 'result' field of the returned object"),
-		@ResponseCode ( code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
+			@ResponseCode(code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
 	})
 	public Response writeMessage(
-			@NotNull(message="Message to send is missing") 
+			@NotNull(message = "Message to send is missing") @Valid MessageInputBean input,
-			@Valid 
+			@Context HttpServletRequest httpServletRequest)
-			MessageInputBean input,
+			throws ValidationException, UserManagementSystemException, UserRetrievalFault {
-			@Context HttpServletRequest httpServletRequest) throws ValidationException, UserManagementSystemException, UserRetrievalFault{
 
 		logger.debug("Incoming message bean is " + input);
 
@@ -99,62 +98,69 @@ public class Messages {
 		UserManager um = UserManagerWSBuilder.getInstance().getUserManager();
 		GCubeUser senderUser = null;
 		SocialNetworkingUser user = null;
-		// check if the token belongs to an application token. In this case use J.A.R.V.I.S (the username used to communicate with Liferay)
+		// check if the token belongs to an application token. In this case use
+		// J.A.R.V.I.S (the username used to communicate with Liferay)
 		String username = null;
 		String fullName = "";
-		logger.debug("Catalogue Notification called by " +  caller.getClient().getId() + " isUser?"+TokensUtils.isUserToken(caller));
+		logger.debug("Catalogue Notification called by " + caller.getClient().getId() + " isUser?"
-		if(!TokensUtils.isUserToken(caller)){
+				+ TokensUtils.isUserToken(caller));
-			GCubeUser jarvis = UserManagerWSBuilder.getInstance().getUserManager().getUserByEmail(LiferayJSONWsCredentials.getSingleton().getUser());
+		if (!TokensUtils.isUserToken(caller)) {
+			GCubeUser jarvis = UserManagerWSBuilder.getInstance().getUserManager()
+					.getUserByEmail(LiferayJSONWsCredentials.getSingleton().getUser());
 			SecurityTokenProvider.instance.set(LiferayJSONWsCredentials.getSingleton().getNotifierUserToken());
 			username = jarvis.getUsername();
 			fullName = caller.getClient().getId().replace("service-account-", ""); // the actual name of the IAM Client
-			senderUser = um.getUserByUsername(username);	
+			senderUser = um.getUserByUsername(username);
-			user = new SocialNetworkingUser(senderUser.getUsername(), senderUser.getEmail(), fullName, senderUser.getUserAvatarURL());
+			user = new SocialNetworkingUser(senderUser.getUsername(), senderUser.getEmail(), fullName,
-		}else{
+					senderUser.getUserAvatarURL());
+		} else {
 			username = caller.getClient().getId();
-			senderUser = um.getUserByUsername(username);	
+			senderUser = um.getUserByUsername(username);
 			fullName = senderUser.getFullname();
-			user = new SocialNetworkingUser(senderUser.getUsername(), senderUser.getEmail(), fullName, senderUser.getUserAvatarURL());
+			user = new SocialNetworkingUser(senderUser.getUsername(), senderUser.getEmail(), fullName,
-		}	
+					senderUser.getUserAvatarURL());
+		}
 		String scope = ScopeProvider.instance.get();
 		ResponseBean responseBean = new ResponseBean();
 		Status status = Status.CREATED;
 		String body = input.getBody();
 		String subject = input.getSubject();
 		List<Recipient> recipientsIds = input.getRecipients(); // "recipients":[{"recipient":"id recipient"}, ......]
-		logger.debug("Sender is going to be [" + fullName  + "]");
+		logger.debug("Sender is going to be [" + fullName + "]");
 
 		// get the recipients ids (simple check, trim)
 		List<String> recipientsListFiltered = new ArrayList<String>();
 		List<GenericItemBean> recipientsBeans = new ArrayList<GenericItemBean>();
 		for (Recipient recipientId : recipientsIds) {
-			try{
+			try {
 				String tempId = recipientId.getId().trim();
-				if(tempId.isEmpty())
+				if (tempId.isEmpty())
 					continue;
-				GCubeUser userRecipient = UserManagerWSBuilder.getInstance().getUserManager().getUserByUsername(tempId);				
+				GCubeUser userRecipient = UserManagerWSBuilder.getInstance().getUserManager().getUserByUsername(tempId);
-				if(userRecipient == null)
+				if (userRecipient == null)
 					userRecipient = UserManagerWSBuilder.getInstance().getUserManager().getUserByEmail(tempId);
-				if(userRecipient != null){
+				if (userRecipient != null) {
-					GenericItemBean beanUser = new GenericItemBean(userRecipient.getUsername(), userRecipient.getUsername(), userRecipient.getFullname(), userRecipient.getUserAvatarURL());
+					GenericItemBean beanUser = new GenericItemBean(userRecipient.getUsername(),
+							userRecipient.getUsername(), userRecipient.getFullname(), userRecipient.getUserAvatarURL());
 					recipientsBeans.add(beanUser);
 					recipientsListFiltered.add(userRecipient.getUsername());
 				}
-			}catch(Exception e){
+			} catch (Exception e) {
 				logger.error("Unable to retrieve recipient information for recipient with id " + recipientId, e);
 			}
 		}
 
-		if(recipientsListFiltered.isEmpty()){
+		if (recipientsListFiltered.isEmpty()) {
 			logger.error("Missing/wrong request parameters");
 			status = Status.BAD_REQUEST;
 			responseBean.setMessage(ErrorMessages.MISSING_PARAMETERS);
 			return Response.status(status).entity(responseBean).build();
 		}
 
-		try{
+		try {
 
-			logger.debug("Trying to send message with body " + body + " subject " + subject + " to users " + recipientsIds + " from " + username);
+			logger.debug("Trying to send message with body " + body + " subject " + subject + " to users "
+					+ recipientsIds + " from " + username);
 
 			// send message
 			MessageManagerClient client = AbstractPlugin.messages().build();
@@ -164,12 +170,13 @@ public class Messages {
 			// send notification
 			logger.debug("Message sent to " + recipientsIds + ". Sending message notification to: " + recipientsIds);
 			SocialNetworkingSite site = SocialNetworkingSiteFinder.getSocialNetworkingSiteFromScope(scope);
-			NotificationsManager nm = new ApplicationNotificationsManager(UserManagerWSBuilder.getInstance().getUserManager(), site, ScopeProvider.instance.get(), user);
+			NotificationsManager nm = new ApplicationNotificationsManager(
+					UserManagerWSBuilder.getInstance().getUserManager(), site, ScopeProvider.instance.get(), user);
 			new Thread(new MessageNotificationsThread(recipientsBeans, messageId, subject, body, nm)).start();
 			responseBean.setSuccess(true);
 			responseBean.setResult(messageId);
 
-		}catch(Exception e){
+		} catch (Exception e) {
 			logger.error("Unable to send message.", e);
 			status = Status.INTERNAL_SERVER_ERROR;
 			responseBean.setMessage(e.toString());
@@ -180,15 +187,15 @@ public class Messages {
 	@GET
 	@Path("get-sent-messages")
 	@Produces(MediaType.APPLICATION_JSON)
-	@StatusCodes ({
+	@StatusCodes({
-		@ResponseCode ( code = 200, condition = "Successful read of the sent messages, reported in the 'result' field of the returned object"),
+			@ResponseCode(code = 200, condition = "Successful read of the sent messages, reported in the 'result' field of the returned object"),
-		@ResponseCode ( code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
+			@ResponseCode(code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
 	})
 	/**
 	 * 
 	 * @return the list of sent messages of the user (the token's owner)
 	 */
-	public Response getSentMessages(){
+	public Response getSentMessages() {
 
 		Caller caller = AuthorizationProvider.instance.get();
 		String username = caller.getClient().getId();
@@ -197,14 +204,14 @@ public class Messages {
 
 		logger.debug("Request for retrieving sent messages by " + username);
 
-		try{
+		try {
 			MessageManagerClient client = AbstractPlugin.messages().build();
 			List<Message> sentMessages = client.getSentMessages();
 			Collections.reverse(sentMessages);
 			responseBean.setSuccess(true);
 			logger.debug("Result is " + sentMessages);
 			responseBean.setResult(sentMessages);
-		}catch(Exception e){
+		} catch (Exception e) {
 			logger.error("Unable to retrieve sent messages", e);
 			responseBean.setMessage(e.getMessage());
 			status = Status.INTERNAL_SERVER_ERROR;
@@ -216,15 +223,15 @@ public class Messages {
 	@GET
 	@Path("get-received-messages")
 	@Produces(MediaType.APPLICATION_JSON)
-	@StatusCodes ({
+	@StatusCodes({
-		@ResponseCode ( code = 200, condition = "Successful read of the received messages, reported in the 'result' field of the returned object"),
+			@ResponseCode(code = 200, condition = "Successful read of the received messages, reported in the 'result' field of the returned object"),
-		@ResponseCode ( code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
+			@ResponseCode(code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
 	})
 	/**
 	 * 
 	 * @return the list of received messages of the user (the token's owner)
 	 */
-	public Response getReceivedMessages(){
+	public Response getReceivedMessages() {
 
 		Caller caller = AuthorizationProvider.instance.get();
 		String username = caller.getClient().getId();
@@ -232,14 +239,14 @@ public class Messages {
 		Status status = Status.OK;
 
 		logger.debug("Request for retrieving received messages by " + username);
-		try{
+		try {
 			MessageManagerClient client = AbstractPlugin.messages().build();
-			List<Message> getMessages =client.getReceivedMessages();
+			List<Message> getMessages = client.getReceivedMessages();
 			Collections.reverse(getMessages);
 			responseBean.setSuccess(true);
 			responseBean.setResult(getMessages);
 
-		}catch(Exception e){
+		} catch (Exception e) {
 			logger.error("Unable to retrieve sent messages", e);
 			responseBean.setMessage(e.getMessage());
 			status = Status.INTERNAL_SERVER_ERROR;
@@ -247,49 +254,48 @@ public class Messages {
 
 		return Response.status(status).entity(responseBean).build();
 	}
-	
+
 	/**
 	 * Set message read or unread
+	 * 
 	 * @param messageId the message identifier
-	 * @param read true to set read, false to set unread
+	 * @param read      true to set read, false to set unread
 	 * @return the result of the operation
 	 * @throws ValidationException
 	 */
 	@POST
 	@Path("set-message-read/")
 	@Produces(MediaType.APPLICATION_JSON)
-	@StatusCodes ({
+	@StatusCodes({
-		@ResponseCode ( code = 200, condition = "Message set Read or Unread is correctly executed"),
+			@ResponseCode(code = 200, condition = "Message set Read or Unread is correctly executed"),
-		@ResponseCode ( code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
+			@ResponseCode(code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
 	})
 	public Response setMessageRead(
-			@NotNull(message="input is missing") 
+			@NotNull(message = "input is missing") @FormParam("messageId") String messageId,
-			@FormParam("messageId") String messageId, 
+			@FormParam("read") Boolean read) throws ValidationException {
-			@FormParam("read") Boolean read) throws ValidationException{
 
 		Caller caller = AuthorizationProvider.instance.get();
 		ResponseBean responseBean = new ResponseBean();
 		Status status = Status.OK;
 
 		String opExecutor = "";
-		try{
+		try {
 			opExecutor = caller.getClient().getId();
 			MessageManagerClient client = AbstractPlugin.messages().build();
 			client.setRead(messageId, read);
 			String toReturn = "set Message id:" + messageId + (read ? " read" : " unread");
-			logger.debug("set Message id:" + messageId + " read?" + read + " for " + opExecutor);	
+			logger.debug("set Message id:" + messageId + " read?" + read + " for " + opExecutor);
-			
+
 			responseBean.setSuccess(true);
 			responseBean.setResult(toReturn);
 
-		} catch(Exception e){
+		} catch (Exception e) {
 			logger.error("Unable to set message read / unread property for user " + opExecutor, e);
 			responseBean.setSuccess(false);
 			responseBean.setMessage(e.getMessage());
 			status = Status.INTERNAL_SERVER_ERROR;
 		}
 
-
 		return Response.status(status).entity(responseBean).build();
 	}
 }

src/main/java/org/gcube/portal/social/networking/ws/methods/v2/Notifications.java

@@ -4,7 +4,6 @@ import java.io.IOException;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
-import java.util.Map;
 
 import javax.validation.Valid;
 import javax.validation.ValidationException;
@@ -32,8 +31,6 @@ import org.gcube.common.authorization.library.utils.Caller;
 import org.gcube.common.scope.api.ScopeProvider;
 import org.gcube.common.scope.impl.ScopeBean;
 import org.gcube.portal.databook.shared.Notification;
-import org.gcube.portal.databook.shared.NotificationChannelType;
-import org.gcube.portal.databook.shared.NotificationType;
 import org.gcube.portal.databook.shared.RunningJob;
 import org.gcube.portal.notifications.bean.GenericItemBean;
 import org.gcube.portal.notifications.thread.JobStatusNotificationThread;
@@ -78,12 +75,13 @@ import com.webcohesion.enunciate.metadata.rs.StatusCodes;
 
 /**
  * REST interface for the social networking library (notifications).
+ * 
  * @author Ahmed Ibrahim ISTI-CNR
  */
 @Path("2/notifications")
-@RequestHeaders ({
+@RequestHeaders({
-		@RequestHeader( name = "Authorization", description = "Bearer token, see https://dev.d4science.org/how-to-access-resources"),
+		@RequestHeader(name = "Authorization", description = "Bearer token, see https://dev.d4science.org/how-to-access-resources"),
-		@RequestHeader( name = "Content-Type", description = "application/json")
+		@RequestHeader(name = "Content-Type", description = "application/json")
 })
 public class Notifications {
 
@@ -93,7 +91,8 @@ public class Notifications {
 
 	/**
 	 * Retrieve notifications of the token's owner
-	 * @param from  must be greater or equal to 1, range[0, infinity]
+	 * 
+	 * @param from     must be greater or equal to 1, range[0, infinity]
 	 * @param quantity quantity must be greater or equal to 0
 	 * @return notifications up to quantity
 	 * @throws ValidationException
@@ -101,32 +100,31 @@ public class Notifications {
 	@GET
 	@Path("get-range-notifications/")
 	@Produces(MediaType.APPLICATION_JSON)
-	@StatusCodes ({
+	@StatusCodes({
-			@ResponseCode ( code = 200, condition = "Notifications retrieved and reported in the 'result' field of the returned object"),
+			@ResponseCode(code = 200, condition = "Notifications retrieved and reported in the 'result' field of the returned object"),
-			@ResponseCode ( code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
+			@ResponseCode(code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
 	})
 	public Response getRangeNotifications(
-			@DefaultValue("1") @QueryParam("from") @Min(value=1, message="from must be greater or equal to 1")
+			@DefaultValue("1") @QueryParam("from") @Min(value = 1, message = "from must be greater or equal to 1") int from,
-			int from,
+			@DefaultValue("10") @QueryParam("quantity") @Min(value = 0, message = "quantity must be greater or equal to 0") int quantity)
-			@DefaultValue("10") @QueryParam("quantity") @Min(value=0, message="quantity must be greater or equal to 0")
+			throws ValidationException {
-			int quantity
-	) throws ValidationException{
 
 		Caller caller = AuthorizationProvider.instance.get();
 		String username = caller.getClient().getId();
 
-		logger.debug("Retrieving " +  quantity + " notifications of user = " + username + " from " + from);
+		logger.debug("Retrieving " + quantity + " notifications of user = " + username + " from " + from);
 
 		ResponseBean responseBean = new ResponseBean();
 		Status status = Status.OK;
 
 		List<Notification> notifications = null;
-		try{
+		try {
-			notifications = CassandraConnection.getInstance().getDatabookStore().getRangeNotificationsByUser(username, from, quantity);
+			notifications = CassandraConnection.getInstance().getDatabookStore().getRangeNotificationsByUser(username,
+					from, quantity);
 			responseBean.setResult(notifications);
 			responseBean.setSuccess(true);
 			logger.debug("List of notifications retrieved");
-		}catch(Exception e){
+		} catch (Exception e) {
 			logger.error("Unable to retrieve such notifications.", e);
 			responseBean.setMessage(e.getMessage());
 			responseBean.setSuccess(false);
@@ -136,35 +134,37 @@ public class Notifications {
 		return Response.status(status).entity(responseBean).build();
 	}
 
-
 	/**
 	 * Return whether the notifications for this user are enabled or not
+	 * 
 	 * @pathExample /is-user-disabled?username=john.smith
-	 * @responseExample application/json { "success": true, "message": null  "result": true }
+	 * @responseExample application/json { "success": true, "message": null
+	 *                  "result": true }
 	 * @param username the username you want to check
-	 * @return true if the notification for the user are disabled (Catalogue and Workspace ones)
+	 * @return true if the notification for the user are disabled (Catalogue and
+	 *         Workspace ones)
 	 *
 	 */
 	@GET
 	@Path("is-user-disabled/")
 
 	@Produces(MediaType.APPLICATION_JSON)
-	@StatusCodes ({
+	@StatusCodes({
-			@ResponseCode ( code = 200, condition = "true if the notification for the username given as query param are disabled (Catalogue and Workspace ones), false otherwise"),
+			@ResponseCode(code = 200, condition = "true if the notification for the username given as query param are disabled (Catalogue and Workspace ones), false otherwise"),
-			@ResponseCode ( code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
+			@ResponseCode(code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
 	})
-	@AuthorizationControl(allowedRoles={INFRASTRUCTURE_MANAGER_ROLE}, exception=AuthException.class)
+	@AuthorizationControl(allowedRoles = { INFRASTRUCTURE_MANAGER_ROLE }, exception = AuthException.class)
 	public Response isUserDisabled(
-			@QueryParam("username") @NotNull(message="username cannot be null")
+			@QueryParam("username") @NotNull(message = "username cannot be null") String username)
-			String username) throws ValidationException{
+			throws ValidationException {
 		ResponseBean responseBean = new ResponseBean();
 		Status status = Status.OK;
-		try{
+		try {
-			Boolean userDisabled= !isNotificationEnabled(username);
+			Boolean userDisabled = !isNotificationEnabled(username);
 			responseBean.setResult(userDisabled);
 			responseBean.setSuccess(true);
-			logger.debug("are User " + username + " Notifications Disabled?"+userDisabled);
+			logger.debug("are User " + username + " Notifications Disabled?" + userDisabled);
-		}catch(Exception e){
+		} catch (Exception e) {
 			logger.error("Unable to read whether the notifications for this user are enabled or not.", e);
 			responseBean.setMessage(e.getMessage());
 			responseBean.setSuccess(false);
@@ -174,54 +174,59 @@ public class Notifications {
 		return Response.status(status).entity(responseBean).build();
 	}
 
-//	/**
+	// /**
-//	 * Set user notification enabled or disabled
+	// * Set user notification enabled or disabled
-//	 * @param disable true if you want to disable the notifications for this user, false if you want to enable them
+	// * @param disable true if you want to disable the notifications for this user,
-//	 * @return the result of the operation
+	// false if you want to enable them
-//	 * @throws ValidationException
+	// * @return the result of the operation
-//	 */
+	// * @throws ValidationException
-//	@POST
+	// */
-//	@Path("set-user-notifications/")
+	// @POST
-//	@Consumes(MediaType.APPLICATION_JSON)
+	// @Path("set-user-notifications/")
-//	@Produces(MediaType.APPLICATION_JSON)
+	// @Consumes(MediaType.APPLICATION_JSON)
-//	@StatusCodes ({
+	// @Produces(MediaType.APPLICATION_JSON)
-//		@ResponseCode ( code = 200, condition = "Notification set Off or On correctly executed"),
+	// @StatusCodes ({
-//		@ResponseCode ( code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
+	// @ResponseCode ( code = 200, condition = "Notification set Off or On correctly
-//	})
+	// executed"),
-//	@AuthorizationControl(allowedRoles={INFRASTRUCTURE_MANAGER_ROLE}, exception=AuthException.class)
+	// @ResponseCode ( code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
-//	public Response setUserNotifications(
+	// })
-//			@NotNull(message="input is missing")
+	// @AuthorizationControl(allowedRoles={INFRASTRUCTURE_MANAGER_ROLE},
-//			@Valid
+	// exception=AuthException.class)
-//			UserSetNotificationBean setting) throws ValidationException{
+	// public Response setUserNotifications(
-//
+	// @NotNull(message="input is missing")
-//		Caller caller = AuthorizationProvider.instance.get();
+	// @Valid
-//		String context  = ScopeProvider.instance.get();
+	// UserSetNotificationBean setting) throws ValidationException{
-//		ResponseBean responseBean = new ResponseBean();
+	//
-//		Status status = Status.OK;
+	// Caller caller = AuthorizationProvider.instance.get();
-//
+	// String context = ScopeProvider.instance.get();
-//
+	// ResponseBean responseBean = new ResponseBean();
-//		try{
+	// Status status = Status.OK;
-//			String opExecutor = caller.getClient().getId();
+	//
-//			Boolean result = setUserNotificationsOnOff(setting.getUsername(), setting.isDisableNotification(), opExecutor);
+	//
-//			String toReturn = "Could not set notifications";
+	// try{
-//			if (result) {
+	// String opExecutor = caller.getClient().getId();
-//				toReturn = "Notifications have been set";
+	// Boolean result = setUserNotificationsOnOff(setting.getUsername(),
-//				toReturn += setting.isDisableNotification() ? " OFF (for 29 days unless re-enabled manually) ": " ON ";
+	// setting.isDisableNotification(), opExecutor);
-//				toReturn += "for username=" + setting.getUsername();
+	// String toReturn = "Could not set notifications";
-//			}
+	// if (result) {
-//			responseBean.setSuccess(true);
+	// toReturn = "Notifications have been set";
-//			responseBean.setResult(toReturn);
+	// toReturn += setting.isDisableNotification() ? " OFF (for 29 days unless
-//
+	// re-enabled manually) ": " ON ";
-//		} catch(Exception e){
+	// toReturn += "for username=" + setting.getUsername();
-//			logger.error("Unable to set user notification", e);
+	// }
-//			responseBean.setSuccess(false);
+	// responseBean.setSuccess(true);
-//			responseBean.setMessage(e.getMessage());
+	// responseBean.setResult(toReturn);
-//			status = Status.INTERNAL_SERVER_ERROR;
+	//
-//		}
+	// } catch(Exception e){
-//
+	// logger.error("Unable to set user notification", e);
-//
+	// responseBean.setSuccess(false);
-//		return Response.status(status).entity(responseBean).build();
+	// responseBean.setMessage(e.getMessage());
-//	}
+	// status = Status.INTERNAL_SERVER_ERROR;
+	// }
+	//
+	//
+	// return Response.status(status).entity(responseBean).build();
+	// }
 
 	/**
 	 * @deprecated
@@ -230,45 +235,50 @@ public class Notifications {
 	 * @throws IOException
 	 */
 	private boolean isNotificationEnabled(String usernameToCheck) throws IOException {
-//		MemcachedClient	entries = new DistributedCacheClient().getMemcachedClient();
+		// MemcachedClient entries = new DistributedCacheClient().getMemcachedClient();
-//		String key = SocialUtils.DISABLED_USERS_NOTIFICATIONS_NAMESPACE+usernameToCheck;
+		// String key =
-//		Boolean userEnabled = false;
+		// SocialUtils.DISABLED_USERS_NOTIFICATIONS_NAMESPACE+usernameToCheck;
-//		if(entries.get(key) == null)
+		// Boolean userEnabled = false;
-//			userEnabled = true;
+		// if(entries.get(key) == null)
-//		entries.getConnection().shutdown();
+		// userEnabled = true;
-//		return userEnabled;
+		// entries.getConnection().shutdown();
+		// return userEnabled;
 		return true;
 	}
-//	/**
+	// /**
-//	 *
+	// *
-//	 * @param username the user you want to disable or enable notifications (max 29 days)
+	// * @param username the user you want to disable or enable notifications (max
-//	 * @param callerId the username or clientid of the operation executor
+	// 29 days)
-//	 * @param disable true if you want to disable the notifications for this user
+	// * @param callerId the username or clientid of the operation executor
-//	 * @return true if the operation was performed
+	// * @param disable true if you want to disable the notifications for this user
-//	 * @throws IOException
+	// * @return true if the operation was performed
-//	 */
+	// * @throws IOException
-//	private Boolean setUserNotificationsOnOff(String username, boolean disable, String callerId) throws IOException {
+	// */
-//		MemcachedClient	entries = new DistributedCacheClient().getMemcachedClient();
+	// private Boolean setUserNotificationsOnOff(String username, boolean disable,
-//		String key = SocialUtils.DISABLED_USERS_NOTIFICATIONS_NAMESPACE+username;
+	// String callerId) throws IOException {
-//		OperationFuture<Boolean> result = null;
+	// MemcachedClient entries = new DistributedCacheClient().getMemcachedClient();
-//		if (disable) {
+	// String key = SocialUtils.DISABLED_USERS_NOTIFICATIONS_NAMESPACE+username;
-//			result = entries.set(key, SocialUtils.CACHING_TIME_TO_EXPIRATION, "op.ex:" + callerId);  //operator executor is who silenced the user
+	// OperationFuture<Boolean> result = null;
-//		} else {
+	// if (disable) {
-//			result = entries.delete(key);
+	// result = entries.set(key, SocialUtils.CACHING_TIME_TO_EXPIRATION, "op.ex:" +
-//		}
+	// callerId); //operator executor is who silenced the user
-//		try {
+	// } else {
-//			boolean res = result.getStatus().isSuccess();
+	// result = entries.delete(key);
-//			entries.getConnection().shutdown();
+	// }
-//			return res;
+	// try {
-//		} catch (Exception e) {
+	// boolean res = result.getStatus().isSuccess();
-//			entries.getConnection().shutdown();
+	// entries.getConnection().shutdown();
-//			e.printStackTrace();
+	// return res;
-//		}
+	// } catch (Exception e) {
-//		return null;
+	// entries.getConnection().shutdown();
-//	}
+	// e.printStackTrace();
+	// }
+	// return null;
+	// }
 
 	/**
 	 * Send a JOB notification to a given recipient
+	 * 
 	 * @param job The job bean
 	 * @return
 	 * @throws ValidationException
@@ -277,34 +287,36 @@ public class Notifications {
 	@Path("notify-job-status/")
 	@Consumes(MediaType.APPLICATION_JSON)
 	@Produces(MediaType.APPLICATION_JSON)
-	@StatusCodes ({
+	@StatusCodes({
-			@ResponseCode ( code = 200, condition = "Notification is sent correctly"),
+			@ResponseCode(code = 200, condition = "Notification is sent correctly"),
-			@ResponseCode ( code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
+			@ResponseCode(code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
 	})
 	public Response notifyJobStatus(
-			@NotNull(message="input is missing")
+			@NotNull(message = "input is missing") @Valid JobNotificationBean job) throws ValidationException {
-			@Valid
-			JobNotificationBean job) throws ValidationException{
 
 		Caller caller = AuthorizationProvider.instance.get();
-		String context  = ScopeProvider.instance.get();
+		String context = ScopeProvider.instance.get();
 		ResponseBean responseBean = new ResponseBean();
 		Status status = Status.OK;
 
 		String appQualifier = caller.getClient().getId();
 		logger.debug("Received request from app " + appQualifier + " to notify job status described by bean " + job);
 
-		try{
+		try {
 
 			String recipient = job.getRecipient();
 			GCubeUser userRecipient = UserManagerWSBuilder.getInstance().getUserManager().getUserByUsername(recipient);
-			GenericItemBean recipientBean = new GenericItemBean(userRecipient.getUsername(), userRecipient.getUsername(), userRecipient.getFullname(), userRecipient.getUserAvatarURL());
+			GenericItemBean recipientBean = new GenericItemBean(userRecipient.getUsername(),
+					userRecipient.getUsername(), userRecipient.getFullname(), userRecipient.getUserAvatarURL());
 
 			// notifications are sent by using the user allowed to use liferay's json apis
 			SocialNetworkingSite site = SocialNetworkingSiteFinder.getSocialNetworkingSiteFromScope(context);
-			GCubeUser senderUser = UserManagerWSBuilder.getInstance().getUserManager().getUserByEmail(LiferayJSONWsCredentials.getSingleton().getUser());
+			GCubeUser senderUser = UserManagerWSBuilder.getInstance().getUserManager()
-			SocialNetworkingUser user = new SocialNetworkingUser(senderUser.getUsername(), senderUser.getEmail(), senderUser.getFullname(), senderUser.getUserAvatarURL());
+					.getUserByEmail(LiferayJSONWsCredentials.getSingleton().getUser());
-			NotificationsManager nm = new ApplicationNotificationsManager(UserManagerWSBuilder.getInstance().getUserManager(), site, context, user);
+			SocialNetworkingUser user = new SocialNetworkingUser(senderUser.getUsername(), senderUser.getEmail(),
+					senderUser.getFullname(), senderUser.getUserAvatarURL());
+			NotificationsManager nm = new ApplicationNotificationsManager(
+					UserManagerWSBuilder.getInstance().getUserManager(), site, context, user);
 
 			RunningJob theJob = JobMapper.getJob(job);
 
@@ -312,19 +324,19 @@ public class Notifications {
 			responseBean.setSuccess(true);
 			responseBean.setResult("Notification thread started");
 
-		}catch(Exception e){
+		} catch (Exception e) {
 			logger.error("Unable to send job notification", e);
 			responseBean.setSuccess(false);
 			responseBean.setMessage(e.getMessage());
 			status = Status.INTERNAL_SERVER_ERROR;
 		}
 
-
 		return Response.status(status).entity(responseBean).build();
 	}
 
 	/**
 	 * Send a Catalogue notification to a given user
+	 * 
 	 * @param event
 	 * @return
 	 * @throws ValidationException
@@ -333,87 +345,89 @@ public class Notifications {
 	@Path("catalogue/")
 	@Consumes(MediaType.APPLICATION_JSON)
 	@Produces(MediaType.APPLICATION_JSON)
-	@StatusCodes ({
+	@StatusCodes({
-			@ResponseCode ( code = 200, condition = "Catalogue Notification is sent correctly"),
+			@ResponseCode(code = 200, condition = "Catalogue Notification is sent correctly"),
-			@ResponseCode ( code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
+			@ResponseCode(code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
 	})
 	public Response catalogue(
-			@NotNull(message="input is missing")
+			@NotNull(message = "input is missing") @Valid CatalogueEvent event)
-			@Valid
+			throws ValidationException, UserManagementSystemException, UserRetrievalFault {
-			CatalogueEvent event)  throws ValidationException, UserManagementSystemException, UserRetrievalFault{
 
 		Caller caller = AuthorizationProvider.instance.get();
 		UserManager um = UserManagerWSBuilder.getInstance().getUserManager();
 		GCubeUser senderUser = null;
 		SocialNetworkingUser user = null;
-		// check if the token belongs to an application token. In this case use J.A.R.V.I.S (the username used to communicate with Liferay)
+		// check if the token belongs to an application token. In this case use
+		// J.A.R.V.I.S (the username used to communicate with Liferay)
 		String username = null;
 		String fullName = "";
-		logger.debug("Catalogue Notification called by " +  caller.getClient().getId() + " isUser?"+TokensUtils.isUserToken(caller));
+		logger.debug("Catalogue Notification called by " + caller.getClient().getId() + " isUser?"
-		if(!TokensUtils.isUserToken(caller)){
+				+ TokensUtils.isUserToken(caller));
-			GCubeUser jarvis = UserManagerWSBuilder.getInstance().getUserManager().getUserByEmail(LiferayJSONWsCredentials.getSingleton().getUser());
+		if (!TokensUtils.isUserToken(caller)) {
+			GCubeUser jarvis = UserManagerWSBuilder.getInstance().getUserManager()
+					.getUserByEmail(LiferayJSONWsCredentials.getSingleton().getUser());
 			SecurityTokenProvider.instance.set(LiferayJSONWsCredentials.getSingleton().getNotifierUserToken());
 			username = jarvis.getUsername();
 			fullName = caller.getClient().getId().replace("service-account-", ""); // the actual name of the IAM Client
 			senderUser = um.getUserByUsername(username);
-			user = new SocialNetworkingUser(senderUser.getUsername(), senderUser.getEmail(), fullName, senderUser.getUserAvatarURL());
+			user = new SocialNetworkingUser(senderUser.getUsername(), senderUser.getEmail(), fullName,
-		}else{
+					senderUser.getUserAvatarURL());
+		} else {
 			username = caller.getClient().getId();
 			senderUser = um.getUserByUsername(username);
-			user = new SocialNetworkingUser(senderUser.getUsername(), senderUser.getEmail(), senderUser.getFullname(), senderUser.getUserAvatarURL());
+			user = new SocialNetworkingUser(senderUser.getUsername(), senderUser.getEmail(), senderUser.getFullname(),
+					senderUser.getUserAvatarURL());
 		}
 
-		String context  = ScopeProvider.instance.get();
+		String context = ScopeProvider.instance.get();
 
 		logger.debug("catalogue notifications from user = " + username);
 		ResponseBean responseBean = new ResponseBean();
 		Status status = Status.OK;
 		boolean deliveryResult = false;
 		try {
-			//logger.debug("catalogue notifications type is " + event.getType());
+			// logger.debug("catalogue notifications type is " + event.getType());
 			SocialNetworkingSite site = SocialNetworkingSiteFinder.getSocialNetworkingSiteFromScope(context);
-			//logger.debug("social networking site is " + site.getName());
+			// logger.debug("social networking site is " + site.getName());
-			//logger.debug("context is " + context);
+			// logger.debug("context is " + context);
-			//logger.debug("user is " + user.getUsername());
+			// logger.debug("user is " + user.getUsername());
 
-			NotificationsManager nm = new ApplicationNotificationsManager(UserManagerWSBuilder.getInstance().getUserManager(), site, context, user);
+			NotificationsManager nm = new ApplicationNotificationsManager(
+					UserManagerWSBuilder.getInstance().getUserManager(), site, context, user);
 
 			String[] idsToNotify = event.getIdsToNotify();
-			if (! event.idsAsGroup()) {
+			if (!event.idsAsGroup()) {
 				for (int i = 0; i < idsToNotify.length; i++) {
 					String userIdToNotify = idsToNotify[i];
 					if (isNotificationEnabled(userIdToNotify)) {
 						String username2Notify = null;
 						try {
 							username2Notify = um.getUserByUsername(userIdToNotify).getUsername();
-						}
+						} catch (Exception e) {
-						catch (Exception e) {
 							status = Status.BAD_REQUEST;
 							logger.error("Username not found", e);
 							responseBean.setSuccess(false);
 							responseBean.setMessage("Username not found, got: " + userIdToNotify);
 							return Response.status(status).entity(responseBean).build();
 						}
-						//logger.debug("username2notify " + username2Notify);
+						// logger.debug("username2notify " + username2Notify);
-						//logger.debug("type is " + CatalogueEventTypeMapper.getType(event.getType()));
+						// logger.debug("type is " + CatalogueEventTypeMapper.getType(event.getType()));
-						//logger.debug("item id is " + event.getItemId());
+						// logger.debug("item id is " + event.getItemId());
-						//logger.debug("item text is " + event.getNotifyText());
+						// logger.debug("item text is " + event.getNotifyText());
-						//logger.debug("item url is " + event.getItemURL());
+						// logger.debug("item url is " + event.getItemURL());
-						
+
-						deliveryResult 	=
+						deliveryResult = nm.notifyCatalogueEvent(
-								nm.notifyCatalogueEvent(
+								CatalogueEventTypeMapper.getType(event.getType()),
-										CatalogueEventTypeMapper.getType(event.getType()),
+								username2Notify,
-										username2Notify,
+								event.getItemId(),
-										event.getItemId(),
+								event.getNotifyText(),
-										event.getNotifyText(),
+								event.getItemURL());
-										event.getItemURL());
+					} else {
-					}
+						Log.info("Notification disabled (admin) for user " + userIdToNotify + " will not notify");
-					else {
-						Log.info("Notification disabled (admin) for user "+userIdToNotify +  " will not notify");
 					}
 
 				}
-			} else { //the ids are contexts
+			} else { // the ids are contexts
 				for (int i = 0; i < idsToNotify.length; i++) {
 					String contextId = idsToNotify[i];
 					try {
@@ -425,24 +439,25 @@ public class Notifications {
 							responseBean.setMessage("Not a VRE Context, only VREs are supported");
 							return Response.status(status).entity(responseBean).build();
 						} else { // it is a context and it is a valid VRE
-							String[] userIdsToNotify = getUsernamesByContext(scope).toArray(new String[0]); //resolve the members
+							String[] userIdsToNotify = getUsernamesByContext(scope).toArray(new String[0]); // resolve
+																											// the
+																											// members
 							for (int j = 0; j < userIdsToNotify.length; j++) {
 								String userIdToNotify = userIdsToNotify[j];
 								if (isNotificationEnabled(userIdToNotify)) {
-									deliveryResult 	=
+									deliveryResult = nm.notifyCatalogueEvent(
-											nm.notifyCatalogueEvent(
+											CatalogueEventTypeMapper.getType(event.getType()),
-													CatalogueEventTypeMapper.getType(event.getType()),
+											userIdToNotify,
-													userIdToNotify,
+											event.getItemId(),
-													event.getItemId(),
+											event.getNotifyText(),
-													event.getNotifyText(),
+											event.getItemURL());
-													event.getItemURL());
 								} else {
-									Log.info("Notification disabled (admin) for user "+userIdToNotify +  " will not notify");
+									Log.info("Notification disabled (admin) for user " + userIdToNotify
+											+ " will not notify");
 								}
 							}
 						}
-					}
+					} catch (IllegalArgumentException e) {
-					catch(IllegalArgumentException e) {
 						status = Status.BAD_REQUEST;
 						logger.error("Context not valid", e);
 						responseBean.setSuccess(false);
@@ -451,7 +466,7 @@ public class Notifications {
 					}
 				}
 			}
-		} catch(Exception e){
+		} catch (Exception e) {
 			logger.error("Unable to send job notification", e);
 			responseBean.setSuccess(false);
 			responseBean.setMessage(e.getMessage());
@@ -464,7 +479,8 @@ public class Notifications {
 			responseBean.setResult(new Boolean(true));
 		} else {
 			responseBean.setSuccess(false);
-			responseBean.setMessage("An error occurred between this service and Cassandra DB, notification not delivered correctly");
+			responseBean.setMessage(
+					"An error occurred between this service and Cassandra DB, notification not delivered correctly");
 			responseBean.setResult(new Boolean(false));
 		}
 		return Response.status(status).entity(responseBean).build();
@@ -472,6 +488,7 @@ public class Notifications {
 
 	/**
 	 * Send a Workspace notification to a given user
+	 * 
 	 * @param event
 	 * @return
 	 * @throws ValidationException
@@ -480,17 +497,15 @@ public class Notifications {
 	@Path("workspace/")
 	@Consumes(MediaType.APPLICATION_JSON)
 	@Produces(MediaType.APPLICATION_JSON)
-	@StatusCodes ({
+	@StatusCodes({
-			@ResponseCode ( code = 200, condition = "Workspace Notification is sent correctly"),
+			@ResponseCode(code = 200, condition = "Workspace Notification is sent correctly"),
-			@ResponseCode ( code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
+			@ResponseCode(code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
 	})
 	public Response workspace(
-			@NotNull(message="input is missing")
+			@NotNull(message = "input is missing") @Valid WorkspaceEvent event) throws ValidationException {
-			@Valid
-			WorkspaceEvent event) throws ValidationException{
 
 		Caller caller = AuthorizationProvider.instance.get();
-		String context  = ScopeProvider.instance.get();
+		String context = ScopeProvider.instance.get();
 		String username = caller.getClient().getId();
 
 		logger.debug("workspace notifications from = " + username);
@@ -504,44 +519,48 @@ public class Notifications {
 			logger.debug("workspace notifications type is " + event.getType());
 			SocialNetworkingSite site = SocialNetworkingSiteFinder.getSocialNetworkingSiteFromScope(context);
 			UserManager um = UserManagerWSBuilder.getInstance().getUserManager();
-			logger.debug("Workspace Notification called by " +  caller.getClient().getId() + " isUser?"+TokensUtils.isUserToken(caller));
+			logger.debug("Workspace Notification called by " + caller.getClient().getId() + " isUser?"
-			if(!TokensUtils.isUserToken(caller)){
+					+ TokensUtils.isUserToken(caller));
-				GCubeUser jarvis = UserManagerWSBuilder.getInstance().getUserManager().getUserByEmail(LiferayJSONWsCredentials.getSingleton().getUser());
+			if (!TokensUtils.isUserToken(caller)) {
+				GCubeUser jarvis = UserManagerWSBuilder.getInstance().getUserManager()
+						.getUserByEmail(LiferayJSONWsCredentials.getSingleton().getUser());
 				SecurityTokenProvider.instance.set(LiferayJSONWsCredentials.getSingleton().getNotifierUserToken());
 				username = jarvis.getUsername();
-				fullName = caller.getClient().getId().replace("service-account-", ""); // the actual name of the IAM Client
+				fullName = caller.getClient().getId().replace("service-account-", ""); // the actual name of the IAM
+																						// Client
 				senderUser = um.getUserByUsername(username);
-				user = new SocialNetworkingUser(senderUser.getUsername(), senderUser.getEmail(), fullName, senderUser.getUserAvatarURL());
+				user = new SocialNetworkingUser(senderUser.getUsername(), senderUser.getEmail(), fullName,
-			}else{
+						senderUser.getUserAvatarURL());
+			} else {
 				username = caller.getClient().getId();
 				senderUser = um.getUserByUsername(username);
-				user = new SocialNetworkingUser(senderUser.getUsername(), senderUser.getEmail(), senderUser.getFullname(), senderUser.getUserAvatarURL());
+				user = new SocialNetworkingUser(senderUser.getUsername(), senderUser.getEmail(),
+						senderUser.getFullname(), senderUser.getUserAvatarURL());
 			}
-			NotificationsManager nm = new ApplicationNotificationsManager(UserManagerWSBuilder.getInstance().getUserManager(), site, context, user);
+			NotificationsManager nm = new ApplicationNotificationsManager(
+					UserManagerWSBuilder.getInstance().getUserManager(), site, context, user);
 
 			String[] idsToNotify = event.getIdsToNotify();
-			if (! event.idsAsGroup()) {
+			if (!event.idsAsGroup()) {
 				for (int i = 0; i < idsToNotify.length; i++) {
 					String userIdToNotify = idsToNotify[i];
 					if (isNotificationEnabled(userIdToNotify)) {
 						String username2Notify = "";
 						try {
 							username2Notify = um.getUserByUsername(userIdToNotify).getUsername();
-						}
+						} catch (Exception e) {
-						catch (Exception e) {
 							status = Status.NOT_ACCEPTABLE;
 							logger.error("Username not found", e);
 							responseBean.setSuccess(false);
 							responseBean.setMessage("Username not found, received: " + userIdToNotify);
 							return Response.status(status).entity(responseBean).build();
 						}
-						deliveryResult 	= notifyWorkspaceEvent(event, nm, username2Notify);
+						deliveryResult = notifyWorkspaceEvent(event, nm, username2Notify);
-					}
+					} else {
-					else {
+						Log.info("Notification disabled (admin) for user " + userIdToNotify + " will not notify");
-						Log.info("Notification disabled (admin) for user "+userIdToNotify +  " will not notify");
 					}
 				}
-			} else { //the ids are contexts
+			} else { // the ids are contexts
 				for (int i = 0; i < idsToNotify.length; i++) {
 					String contextId = idsToNotify[i];
 					try {
@@ -553,18 +572,20 @@ public class Notifications {
 							responseBean.setMessage("Not a VRE Context, only VREs are supported");
 							return Response.status(status).entity(responseBean).build();
 						} else { // it is a context and it is a valid VRE
-							String[] userIdsToNotify = getUsernamesByContext(scope).toArray(new String[0]); //resolve the members
+							String[] userIdsToNotify = getUsernamesByContext(scope).toArray(new String[0]); // resolve
+																											// the
+																											// members
 							for (int j = 0; j < userIdsToNotify.length; j++) {
 								String userIdToNotify = userIdsToNotify[j];
 								if (isNotificationEnabled(userIdToNotify))
-									deliveryResult 	= notifyWorkspaceEvent(event, nm, userIdToNotify);
+									deliveryResult = notifyWorkspaceEvent(event, nm, userIdToNotify);
 								else {
-									Log.info("Notification disabled (admin) for user "+userIdToNotify +  " will not notify");
+									Log.info("Notification disabled (admin) for user " + userIdToNotify
+											+ " will not notify");
 								}
 							}
 						}
-					}
+					} catch (IllegalArgumentException e) {
-					catch(IllegalArgumentException e) {
 						status = Status.BAD_REQUEST;
 						logger.error("Context not valid", e);
 						responseBean.setSuccess(false);
@@ -573,7 +594,7 @@ public class Notifications {
 					}
 				}
 			}
-		} catch(Exception e){
+		} catch (Exception e) {
 			logger.error("Unable to send job notification", e);
 			responseBean.setSuccess(false);
 			responseBean.setMessage(e.getMessage());
@@ -586,11 +607,13 @@ public class Notifications {
 			responseBean.setResult(new Boolean(true));
 		} else {
 			responseBean.setSuccess(false);
-			responseBean.setMessage("An error occurred between this service and Cassandra DB, notification not delivered correctly");
+			responseBean.setMessage(
+					"An error occurred between this service and Cassandra DB, notification not delivered correctly");
 			responseBean.setResult(new Boolean(false));
 		}
 		return Response.status(status).entity(responseBean).build();
 	}
+
 	/**
 	 *
 	 * @param event
@@ -603,54 +626,66 @@ public class Notifications {
 			switch (event.getType()) {
 				case ITEM_NEW: {
 					AddedItemEvent itemBean = (AddedItemEvent) event;
-					return nm.notifyAddedItem(idToNotify, WorkspaceItemMapper.getFileItem(itemBean.getItem()), WorkspaceItemMapper.getSharedFolder(itemBean.getItem().getParent()));
+					return nm.notifyAddedItem(idToNotify, WorkspaceItemMapper.getFileItem(itemBean.getItem()),
+							WorkspaceItemMapper.getSharedFolder(itemBean.getItem().getParent()));
 				}
 				case ITEM_UPDATE: {
 					UpdatedItemEvent itemBean = (UpdatedItemEvent) event;
-					return nm.notifyUpdatedItem(idToNotify, WorkspaceItemMapper.getFileItem(itemBean.getItem()), WorkspaceItemMapper.getSharedFolder(itemBean.getItem().getParent()));
+					return nm.notifyUpdatedItem(idToNotify, WorkspaceItemMapper.getFileItem(itemBean.getItem()),
+							WorkspaceItemMapper.getSharedFolder(itemBean.getItem().getParent()));
 				}
 				case ITEM_DELETE: {
 					DeletedItemEvent itemBean = (DeletedItemEvent) event;
-					return nm.notifyRemovedItem(idToNotify, itemBean.getItemName(), WorkspaceItemMapper.getSharedFolder(itemBean.getFolder()));
+					return nm.notifyRemovedItem(idToNotify, itemBean.getItemName(),
+							WorkspaceItemMapper.getSharedFolder(itemBean.getFolder()));
 				}
 				case FOLDER_SHARE: {
 					SharedFolderEvent itemBean = (SharedFolderEvent) event;
-					return nm.notifyFolderSharing(idToNotify, WorkspaceItemMapper.getSharedFolder(itemBean.getFolder()));
+					return nm.notifyFolderSharing(idToNotify,
+							WorkspaceItemMapper.getSharedFolder(itemBean.getFolder()));
 				}
 				case FOLDER_UNSHARE: {
 					UnsharedFolderEvent itemBean = (UnsharedFolderEvent) event;
-					return  nm.notifyFolderUnsharing(idToNotify, itemBean.getUnsharedFolderId(), itemBean.getUnsharedFolderName());
+					return nm.notifyFolderUnsharing(idToNotify, itemBean.getUnsharedFolderId(),
+							itemBean.getUnsharedFolderName());
 				}
 				case FOLDER_RENAME: {
 					RenamedFolderEvent itemBean = (RenamedFolderEvent) event;
-					return  nm.notifyFolderRenaming(idToNotify, itemBean.getPreviousName(), itemBean.getNewName(), itemBean.getRenamedFolderId());
+					return nm.notifyFolderRenaming(idToNotify, itemBean.getPreviousName(), itemBean.getNewName(),
+							itemBean.getRenamedFolderId());
 				}
 				case FOLDER_ADMIN_UPGRADE: {
 					FolderAdminUpgradeEvent itemBean = (FolderAdminUpgradeEvent) event;
-					return nm.notifyAdministratorUpgrade(idToNotify, WorkspaceItemMapper.getSharedFolder(itemBean.getFolder()));
+					return nm.notifyAdministratorUpgrade(idToNotify,
+							WorkspaceItemMapper.getSharedFolder(itemBean.getFolder()));
 				}
 				case FOLDER_ADMIN_DOWNGRADE: {
 					FolderAdminDowngradeEvent itemBean = (FolderAdminDowngradeEvent) event;
-					return nm.notifyAdministratorDowngrade(idToNotify, WorkspaceItemMapper.getSharedFolder(itemBean.getFolder()));
+					return nm.notifyAdministratorDowngrade(idToNotify,
+							WorkspaceItemMapper.getSharedFolder(itemBean.getFolder()));
 				}
 				case FOLDER_ADDEDUSER: {
 					FolderAddedUserEvent itemBean = (FolderAddedUserEvent) event;
 					UserManager userManager = UserManagerWSBuilder.getInstance().getUserManager();
-					return  nm.notifyFolderAddedUsers(idToNotify, WorkspaceItemMapper.getSharedFolder(itemBean.getFolder()), itemBean.getNewAddedUserIds(), userManager);
+					return nm.notifyFolderAddedUsers(idToNotify,
+							WorkspaceItemMapper.getSharedFolder(itemBean.getFolder()), itemBean.getNewAddedUserIds(),
+							userManager);
 				}
 				case FOLDER_REMOVEDUSER: {
 					FolderRemovedUserEvent itemBean = (FolderRemovedUserEvent) event;
-					return  nm.notifyFolderRemovedUser(idToNotify, WorkspaceItemMapper.getSharedFolder(itemBean.getFolder()));
+					return nm.notifyFolderRemovedUser(idToNotify,
+							WorkspaceItemMapper.getSharedFolder(itemBean.getFolder()));
 				}
 				default:
 					break;
 			}
-		} catch(Exception e){
+		} catch (Exception e) {
 			logger.error("Unable to send job notification", e);
 			return false;
 		}
 		return false;
 	}
+
 	/**
 	 *
 	 * @param context
@@ -670,13 +705,13 @@ public class Notifications {
 		UsersCache cache = UsersCache.getSingleton();
 
 		for (Long userId : userIds) {
-			if(cache.getUser(userId) == null){
+			if (cache.getUser(userId) == null) {
 				GCubeUser theUser = userManager.getUserById(userId);
-				if(theUser != null){
+				if (theUser != null) {
 					usernames.add(theUser.getUsername());
 					cache.pushEntry(userId, theUser);
 				}
-			}else
+			} else
 				usernames.add(cache.getUser(userId).getUsername());
 		}
 		return usernames;

src/main/java/org/gcube/portal/social/networking/ws/methods/v2/People.java

@@ -33,31 +33,34 @@ import com.webcohesion.enunciate.metadata.rs.RequestHeaders;
 import com.webcohesion.enunciate.metadata.rs.ResponseCode;
 import com.webcohesion.enunciate.metadata.rs.StatusCodes;
 
-
 /**
  * REST interface for the social service (people). Used by OAUTH 2.0 apps/users.
  */
-@RequestHeaders ({
+@RequestHeaders({
-	  @RequestHeader( name = "Authorization", description = "Bearer token, see https://dev.d4science.org/how-to-access-resources"),
+		@RequestHeader(name = "Authorization", description = "Bearer token, see https://dev.d4science.org/how-to-access-resources"),
-	  @RequestHeader( name = "Content-Type", description = "application/json")	  
+		@RequestHeader(name = "Content-Type", description = "application/json")
-	})
+})
 @Path("2/people")
 public class People {
 
 	private static final org.slf4j.Logger logger = LoggerFactory.getLogger(People.class);
 
 	/**
-	 * @responseExample application/json { "success" : true, "message" : null, "result" : { "roles" : [ ], "context" : "***", "avatar" : "https://*****3D", "fullname" : "John Smith", "username" : "john.smith" } }
+	 * @responseExample application/json { "success" : true, "message" : null,
-	 * @return the user's profile. The user in this case is the one bound to the token
+	 *                  "result" : { "roles" : [ ], "context" : "***", "avatar" :
+	 *                  "https://*****3D", "fullname" : "John Smith", "username" :
+	 *                  "john.smith" } }
+	 * @return the user's profile. The user in this case is the one bound to the
+	 *         token
 	 */
 	@Produces(MediaType.APPLICATION_JSON)
 	@GET
 	@Path("profile")
-	@StatusCodes ({
+	@StatusCodes({
-		@ResponseCode ( code = 200, condition = "Successful retrieval of user's profile, reported in the 'result' field of the returned object"),
+			@ResponseCode(code = 200, condition = "Successful retrieval of user's profile, reported in the 'result' field of the returned object"),
-		@ResponseCode ( code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
+			@ResponseCode(code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
 	})
-	public Response getProfile(){
+	public Response getProfile() {
 
 		Caller caller = AuthorizationProvider.instance.get();
 		String username = caller.getClient().getId();
@@ -66,13 +69,13 @@ public class People {
 		ResponseBean responseBean = new ResponseBean();
 		Status status = Status.OK;
 
-		if(!TokensUtils.isUserToken(caller)){
+		if (!TokensUtils.isUserToken(caller)) {
 			status = Status.FORBIDDEN;
 			responseBean.setMessage("User's information can only be retrieved through a user token");
 			logger.warn("Trying to access users method via a token different than 'user-token' is not allowed");
-		}else{
+		} else {
 
-			try{
+			try {
 				UserManager userManager = UserManagerWSBuilder.getInstance().getUserManager();
 				RoleManager roleManager = RoleManagerWSBuilder.getInstance().getRoleManager();
 				GroupManager groupManager = GroupManagerWSBuilder.getInstance().getGroupManager();
@@ -83,7 +86,8 @@ public class People {
 				toReturn.put("avatar", user.getUserAvatarURL());
 				toReturn.put("fullname", user.getFullname());
 				toReturn.put("context", scope);
-				List<GCubeRole> roles = roleManager.listRolesByUserAndGroup(user.getUserId(), groupManager.getGroupIdFromInfrastructureScope(scope));
+				List<GCubeRole> roles = roleManager.listRolesByUserAndGroup(user.getUserId(),
+						groupManager.getGroupIdFromInfrastructureScope(scope));
 				List<String> rolesNames = new ArrayList<String>();
 				for (GCubeRole gCubeRole : roles) {
 					rolesNames.add(gCubeRole.getRoleName());
@@ -92,7 +96,7 @@ public class People {
 
 				responseBean.setResult(toReturn);
 				responseBean.setSuccess(true);
-			}catch(Exception e){
+			} catch (Exception e) {
 				logger.error("Unable to retrieve user's profile", e);
 				responseBean.setMessage(e.getMessage());
 				status = Status.INTERNAL_SERVER_ERROR;

src/main/java/org/gcube/portal/social/networking/ws/methods/v2/Posts.java

@@ -1,9 +1,7 @@
 package org.gcube.portal.social.networking.ws.methods.v2;
 
-
 import java.util.ArrayList;
 import java.util.List;
-import java.util.Map;
 
 import javax.validation.Valid;
 import javax.validation.ValidationException;
@@ -19,13 +17,16 @@ import javax.ws.rs.QueryParam;
 import javax.ws.rs.core.MediaType;
 import javax.ws.rs.core.Response;
 import javax.ws.rs.core.Response.Status;
-import org.gcube.portal.databook.shared.PostWithAttachment;
 
 import org.gcube.common.authorization.library.provider.AuthorizationProvider;
 import org.gcube.common.authorization.library.utils.Caller;
 import org.gcube.common.scope.api.ScopeProvider;
 import org.gcube.portal.databook.server.DatabookStore;
-import org.gcube.portal.databook.shared.*;
+import org.gcube.portal.databook.shared.ApplicationProfile;
+import org.gcube.portal.databook.shared.Attachment;
+import org.gcube.portal.databook.shared.Post;
+import org.gcube.portal.databook.shared.PostWithAttachment;
+import org.gcube.portal.databook.shared.RangePosts;
 import org.gcube.portal.databook.shared.ex.ColumnNameNotFoundException;
 import org.gcube.portal.databook.shared.ex.FeedIDNotFoundException;
 import org.gcube.portal.databook.shared.ex.FeedTypeNotFoundException;
@@ -45,12 +46,13 @@ import com.webcohesion.enunciate.metadata.rs.StatusCodes;
 
 /**
  * REST interface for the social networking library (posts).
+ * 
  * @author Ahmed Ibrahim ISTI-CNR
  */
 @Path("2/posts")
-@RequestHeaders ({
+@RequestHeaders({
-		@RequestHeader( name = "Authorization", description = "Bearer token, see https://dev.d4science.org/how-to-access-resources"),
+		@RequestHeader(name = "Authorization", description = "Bearer token, see https://dev.d4science.org/how-to-access-resources"),
-		@RequestHeader( name = "Content-Type", description = "application/json")
+		@RequestHeader(name = "Content-Type", description = "application/json")
 })
 public class Posts {
 
@@ -58,7 +60,8 @@ public class Posts {
 	private static final org.slf4j.Logger logger = LoggerFactory.getLogger(Posts.class);
 
 	/**
-	 * Retrieve posts of the  auth token's owner, and allow to filter them by time"
+	 * Retrieve posts of the auth token's owner, and allow to filter them by time"
+	 * 
 	 * @param timeInMillis The reference time since when retrieving posts
 	 * @return the posts
 	 * @throws ValidationException
@@ -66,14 +69,13 @@ public class Posts {
 	@GET
 	@Path("get-posts-user-since/")
 	@Produces(MediaType.APPLICATION_JSON)
-	@StatusCodes ({
+	@StatusCodes({
-			@ResponseCode ( code = 200, condition = "Successful retrieval of posts, reported in the 'result' field of the returned object"),
+			@ResponseCode(code = 200, condition = "Successful retrieval of posts, reported in the 'result' field of the returned object"),
-			@ResponseCode ( code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
+			@ResponseCode(code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
 	})
 	public Response getRecentPostsByUserAndDate(
-			@QueryParam("time") @Min(value = 0, message="time cannot be negative")
+			@QueryParam("time") @Min(value = 0, message = "time cannot be negative") long timeInMillis)
-			long timeInMillis
+			throws ValidationException {
-	) throws ValidationException{
 
 		ResponseBean responseBean = new ResponseBean();
 		Status status = Status.OK;
@@ -82,16 +84,17 @@ public class Posts {
 		String username = caller.getClient().getId();
 		List<Post> posts = null;
 
-		try{
+		try {
 			logger.debug("Retrieving post for user id " + username + " and reference time " + timeInMillis);
-			posts = CassandraConnection.getInstance().getDatabookStore().getRecentPostsByUserAndDate(username, timeInMillis);
+			posts = CassandraConnection.getInstance().getDatabookStore().getRecentPostsByUserAndDate(username,
+					timeInMillis);
 			Filters.filterPostsPerContext(posts, context);
 			Filters.hideSensitiveInformation(posts, caller.getClient().getId());
 			responseBean.setResult(posts);
 			responseBean.setMessage("");
 			responseBean.setSuccess(true);
 
-		}catch(Exception e){
+		} catch (Exception e) {
 			logger.error("Unable to retrieve such posts.", e);
 			responseBean.setMessage(e.getMessage());
 			responseBean.setSuccess(false);
@@ -101,17 +104,18 @@ public class Posts {
 		return Response.status(status).entity(responseBean).build();
 	}
 
-
 	/**
 	 * Retrieve all user's posts
-	 * @return all posts of the auth token's owner in the context identified by the token
+	 * 
+	 * @return all posts of the auth token's owner in the context identified by the
+	 *         token
 	 */
 	@GET
 	@Path("get-posts-user/")
 	@Produces(MediaType.APPLICATION_JSON)
-	@StatusCodes ({
+	@StatusCodes({
-			@ResponseCode ( code = 200, condition = "Successful retrieval of posts, reported in the 'result' field of the returned object"),
+			@ResponseCode(code = 200, condition = "Successful retrieval of posts, reported in the 'result' field of the returned object"),
-			@ResponseCode ( code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
+			@ResponseCode(code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
 	})
 	public Response getAllPostsByUser() {
 
@@ -121,7 +125,7 @@ public class Posts {
 		ResponseBean responseBean = new ResponseBean();
 		Status status = Status.OK;
 		List<Post> posts = null;
-		try{
+		try {
 			logger.debug("Retrieving posts for user with id " + username);
 			posts = CassandraConnection.getInstance().getDatabookStore().getAllPostsByUser(username);
 			Filters.filterPostsPerContext(posts, context);
@@ -129,7 +133,7 @@ public class Posts {
 			responseBean.setResult(posts);
 			responseBean.setMessage("");
 			responseBean.setSuccess(true);
-		}catch(Exception e){
+		} catch (Exception e) {
 			logger.error("Unable to retrieve such feeds.", e);
 			responseBean.setMessage(e.getMessage());
 			responseBean.setSuccess(false);
@@ -141,14 +145,16 @@ public class Posts {
 
 	/**
 	 * Retrieve a post by id
-	 * @return the post if the post id belongs to a post in the context identified by the token
+	 * 
+	 * @return the post if the post id belongs to a post in the context identified
+	 *         by the token
 	 */
 	@GET
 	@Path("get-post/")
 	@Produces(MediaType.APPLICATION_JSON)
-	@StatusCodes ({
+	@StatusCodes({
-			@ResponseCode ( code = 200, condition = "Successful retrieval of posts, reported in the 'result' field of the returned object"),
+			@ResponseCode(code = 200, condition = "Successful retrieval of posts, reported in the 'result' field of the returned object"),
-			@ResponseCode ( code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
+			@ResponseCode(code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
 	})
 	public Response getPost(@QueryParam("id") String id) {
 		String context = ScopeProvider.instance.get();
@@ -156,11 +162,11 @@ public class Posts {
 		ResponseBean responseBean = new ResponseBean();
 		Status status = Status.OK;
 		List<Post> posts = new ArrayList<>();
-		try{
+		try {
 			logger.debug("Retrieving post with id " + id);
 			try {
 				posts.add(CassandraConnection.getInstance().getDatabookStore().readPost(id));
-			} catch(FeedIDNotFoundException e){
+			} catch (FeedIDNotFoundException e) {
 				responseBean.setMessage("The post with id " + id + " does not exist in context " + context);
 				responseBean.setSuccess(false);
 				return Response.status(status).entity(responseBean).build();
@@ -176,7 +182,7 @@ public class Posts {
 			responseBean.setResult(posts.get(0));
 			responseBean.setMessage("");
 			responseBean.setSuccess(true);
-		}catch(Exception e){
+		} catch (Exception e) {
 			logger.error("Unable to retrieve such post.", e);
 			responseBean.setMessage(e.getMessage());
 			responseBean.setSuccess(false);
@@ -188,23 +194,23 @@ public class Posts {
 
 	/**
 	 * Retrieve a given quantity of latest user's posts
+	 * 
 	 * @param quantity the number of latest post to get
 	 * @pathExample /get-posts-user-quantity?quantity=10
-	 * @return all posts of the auth token's owner in the context identified by the token, in reverse chronological order up to quantity (at most)
+	 * @return all posts of the auth token's owner in the context identified by the
+	 *         token, in reverse chronological order up to quantity (at most)
 	 * @throws ValidationException
 	 */
 	@GET
 	@Path("get-posts-user-quantity/")
 	@Produces(MediaType.APPLICATION_JSON)
-	@StatusCodes ({
+	@StatusCodes({
-			@ResponseCode ( code = 200, condition = "Successful retrieval of posts, reported in the 'result' field of the returned object"),
+			@ResponseCode(code = 200, condition = "Successful retrieval of posts, reported in the 'result' field of the returned object"),
-			@ResponseCode ( code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
+			@ResponseCode(code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
 	})
 	public Response getQuantityPostsByUser(
-			@DefaultValue("10")
+			@DefaultValue("10") @QueryParam("quantity") @Min(value = 0, message = "quantity cannot be negative") int quantity)
-			@QueryParam("quantity")
+			throws ValidationException {
-			@Min(value=0, message="quantity cannot be negative")
-			int quantity) throws ValidationException{
 
 		Caller caller = AuthorizationProvider.instance.get();
 		String username = caller.getClient().getId();
@@ -215,23 +221,24 @@ public class Posts {
 		List<Post> posts = new ArrayList<>();
 
 		// if quantity is zero, just return an empty list
-		if(quantity == 0){
+		if (quantity == 0) {
 			responseBean.setSuccess(true);
 			return Response.status(status).entity(responseBean).build();
 		}
-		try{
+		try {
 			logger.debug("getRecentPostsByUser first, posts made by user " + username);
 			posts = CassandraConnection.getInstance().getDatabookStore().getAllPostsByUser(username);
 			if (posts != null)
 				logger.debug("got " + posts.size() + " posts");
-			logger.debug("Retrieving last " + quantity + " posts made by user " + username + " in context = "+context);
+			logger.debug(
+					"Retrieving last " + quantity + " posts made by user " + username + " in context = " + context);
 			Filters.filterPostsPerContext(posts, context);
 			quantity = (quantity > posts.size()) ? posts.size() : quantity;
 			posts = posts.subList(0, quantity);
 			Filters.hideSensitiveInformation(posts, caller.getClient().getId());
 			responseBean.setResult(posts);
 			responseBean.setSuccess(true);
-		}catch(Exception e){
+		} catch (Exception e) {
 			logger.error("Unable to retrieve such posts.", e);
 			responseBean.setMessage(e.getMessage());
 			responseBean.setSuccess(false);
@@ -242,6 +249,7 @@ public class Posts {
 
 	/**
 	 * Create a new user post having as owner the auth token's owner
+	 * 
 	 * @param post The post to be written
 	 * @return
 	 * @throws ValidationException
@@ -250,14 +258,12 @@ public class Posts {
 	@Path("write-post-user")
 	@Consumes(MediaType.APPLICATION_JSON)
 	@Produces(MediaType.APPLICATION_JSON)
-	@StatusCodes ({
+	@StatusCodes({
-			@ResponseCode ( code = 201, condition = "Successfull created, the new post is reported in the 'result' field of the returned object"),
+			@ResponseCode(code = 201, condition = "Successfull created, the new post is reported in the 'result' field of the returned object"),
-			@ResponseCode ( code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
+			@ResponseCode(code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
 	})
 	public Response writePostUser(
-			@NotNull(message="Post to write is missing")
+			@NotNull(message = "Post to write is missing") @Valid PostInputBean post) throws ValidationException {
-			@Valid
-			PostInputBean post) throws ValidationException{
 
 		logger.debug("Request of writing a feed coming from user " + post);
 		Caller caller = AuthorizationProvider.instance.get();
@@ -276,12 +282,11 @@ public class Posts {
 		boolean enableNotification = post.isEnablenotification();
 
 		// convert enablenotification parameter
-		if(enableNotification)
+		if (enableNotification)
 			logger.debug("Enable notification for this user post.");
 		else
 			logger.debug("Disable notification for this user post.");
 
-
 		// try to share
 		logger.debug("Trying to share user post...");
 		Post res = SocialUtils.shareUserUpdate(
@@ -293,10 +298,9 @@ public class Posts {
 				previewHost,
 				previewUrl,
 				httpImageUrl,
-				enableNotification
+				enableNotification);
-		);
 
-		if(res != null){
+		if (res != null) {
 			logger.debug("Post correctly written by user " + username);
 			responseBean.setResult(res);
 			responseBean.setSuccess(true);
@@ -314,15 +318,17 @@ public class Posts {
 
 	/**
 	 * Retrieve the application's posts
-	 * @return the application (IAM Client) posts belonging to the token's owner (i.e., an application)"
+	 * 
+	 * @return the application (IAM Client) posts belonging to the token's owner
+	 *         (i.e., an application)"
 	 */
 	@GET
 	@Path("get-posts-app/")
 	@Produces(MediaType.APPLICATION_JSON)
-	@StatusCodes ({
+	@StatusCodes({
-			@ResponseCode ( code = 200, condition = "Successfull created, the new post is reported in the 'result' field of the returned object"),
+			@ResponseCode(code = 200, condition = "Successfull created, the new post is reported in the 'result' field of the returned object"),
-			@ResponseCode ( code = 403, condition = "\"There is no application profile with such token"),
+			@ResponseCode(code = 403, condition = "\"There is no application profile with such token"),
-			@ResponseCode ( code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
+			@ResponseCode(code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
 	})
 	public Response getAllPostsByApp() {
 
@@ -334,7 +340,7 @@ public class Posts {
 
 		// check if the token actually matches an application
 		ApplicationProfile appProfile = SocialUtils.getProfileFromInfrastrucure(appId, context);
-		if(appProfile == null){
+		if (appProfile == null) {
 
 			logger.error("The given token is not belonging to an application!!!");
 			status = Status.FORBIDDEN;
@@ -343,7 +349,7 @@ public class Posts {
 			return Response.status(status).entity(responseBean).build();
 
 		}
-		try{
+		try {
 
 			logger.debug("Retrieving posts for app with id " + appId);
 			List<Post> feeds = CassandraConnection.getInstance().getDatabookStore().getAllPostsByApp(appId);
@@ -351,7 +357,7 @@ public class Posts {
 			responseBean.setSuccess(true);
 			responseBean.setResult(feeds);
 
-		}catch(Exception e){
+		} catch (Exception e) {
 
 			logger.error("Unable to retrieve such feeds.", e);
 			responseBean.setMessage(e.getMessage());
@@ -364,7 +370,10 @@ public class Posts {
 	}
 
 	/**
-	 * Create a new application post having as owner-application the token's owner (the IAM Client), note that the application must be registered on the Information System
+	 * Create a new application post having as owner-application the token's owner
+	 * (the IAM Client), note that the application must be registered on the
+	 * Information System
+	 * 
 	 * @param post The post to be written
 	 * @return
 	 */
@@ -372,15 +381,13 @@ public class Posts {
 	@Path("write-post-app")
 	@Consumes(MediaType.APPLICATION_JSON)
 	@Produces(MediaType.APPLICATION_JSON)
-	@StatusCodes ({
+	@StatusCodes({
-			@ResponseCode ( code = 200, condition = "Successfull created, the new post is reported in the 'result' field of the returned object"),
+			@ResponseCode(code = 200, condition = "Successfull created, the new post is reported in the 'result' field of the returned object"),
-			@ResponseCode ( code = 403, condition = "\"There is no application profile with such token"),
+			@ResponseCode(code = 403, condition = "\"There is no application profile with such token"),
-			@ResponseCode ( code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
+			@ResponseCode(code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
 	})
 	public Response writePostApp(
-			@NotNull(message="Post to write is null")
+			@NotNull(message = "Post to write is null") @Valid PostInputBean post) {
-			@Valid
-			PostInputBean post){
 
 		Caller caller = AuthorizationProvider.instance.get();
 		String appId = caller.getClient().getId();
@@ -393,7 +400,7 @@ public class Posts {
 		// check if the token actually matches an application profile
 		ApplicationProfile appProfile = SocialUtils.getProfileFromInfrastrucure(appId, context);
 
-		if(appProfile == null){
+		if (appProfile == null) {
 			logger.error("The given token doesn't belong to an application!!!");
 			responseBean.setSuccess(false);
 			responseBean.setMessage(ErrorMessages.NOT_APP_TOKEN);
@@ -410,7 +417,7 @@ public class Posts {
 		String params = post.getParams();
 
 		// convert enablenotification parameter
-		if(enableNotification)
+		if (enableNotification)
 			logger.debug("Enable notification for this application post.");
 		else
 			logger.debug("Disable notification for this application post.");
@@ -424,10 +431,9 @@ public class Posts {
 				httpImageUrl,
 				appProfile,
 				caller,
-				enableNotification
+				enableNotification);
-		);
 
-		if(written != null){
+		if (written != null) {
 			responseBean.setResult(written);
 			responseBean.setSuccess(true);
 			return Response.status(status).entity(responseBean).build();
@@ -447,9 +453,9 @@ public class Posts {
 	@GET
 	@Path("get-posts-vre/")
 	@Produces(MediaType.APPLICATION_JSON)
-	@StatusCodes ({
+	@StatusCodes({
-			@ResponseCode ( code = 201, condition = "Sccessfull retrieved posts, they are reported in the 'result' field of the returned object"),
+			@ResponseCode(code = 201, condition = "Sccessfull retrieved posts, they are reported in the 'result' field of the returned object"),
-			@ResponseCode ( code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
+			@ResponseCode(code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
 	})
 	public Response getAllPostsByVRE() {
 
@@ -458,12 +464,12 @@ public class Posts {
 		logger.debug("Retrieving all posts coming from vre = " + context);
 		ResponseBean responseBean = new ResponseBean();
 		Status status = Status.OK;
-		try{
+		try {
 			List<Post> posts = CassandraConnection.getInstance().getDatabookStore().getAllPostsByVRE(context);
 			Filters.hideSensitiveInformation(posts, caller.getClient().getId());
 			responseBean.setResult(posts);
 			responseBean.setSuccess(true);
-		}catch(Exception e){
+		} catch (Exception e) {
 			logger.error("Unable to retrieve posts for vre = " + context, e);
 			status = Status.INTERNAL_SERVER_ERROR;
 			responseBean.setMessage(e.toString());
@@ -474,13 +480,18 @@ public class Posts {
 	}
 
 	/**
-	 * return the most recent posts for this vre up to quantity param and the last index of the posts in the timeline
+	 * return the most recent posts for this vre up to quantity param and the last
-	 * lastReturnedPostTimelineIndex is useful to know from  where to start the range the next time you ask, because there are deletions
+	 * index of the posts in the timeline
+	 * lastReturnedPostTimelineIndex is useful to know from where to start the range
+	 * the next time you ask, because there are deletions
 	 *
-	 * @param from the range start (most recent feeds for this vre) has to be greater than 0
+	 * @param from     the range start (most recent feeds for this vre) has to be
-	 * @param quantity the number of most recent feeds for this vre starting from "from" param
+	 *                 greater than 0
+	 * @param quantity the number of most recent feeds for this vre starting from
+	 *                 "from" param
 	 * @pathExample /get-recent-posts-vre-by-range?from=1&quantity=10
-	 * @return a <class>RangePosts</class> containing of most recent feeds for this vre
+	 * @return a <class>RangePosts</class> containing of most recent feeds for this
+	 *         vre
 	 * @throws FeedTypeNotFoundException
 	 * @throws PrivacyLevelTypeNotFoundException
 	 * @throws ColumnNameNotFoundException
@@ -488,29 +499,27 @@ public class Posts {
 	@GET
 	@Path("get-recent-posts-vre-by-range/")
 	@Produces(MediaType.APPLICATION_JSON)
-	@StatusCodes ({
+	@StatusCodes({
-			@ResponseCode ( code = 201, condition = "Sccessfull retrieved posts, they are reported in the 'result' field of the returned object"),
+			@ResponseCode(code = 201, condition = "Sccessfull retrieved posts, they are reported in the 'result' field of the returned object"),
-			@ResponseCode ( code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
+			@ResponseCode(code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
 	})
 	public Response getRecentPostsByVREAndRange(
-			@QueryParam("from")
+			@QueryParam("from") @Min(value = 1, message = "from cannot be negative") int from,
-			@Min(value=1, message="from cannot be negative")
+			@QueryParam("quantity") @Min(value = 1, message = "quantity cannot be negative") int quantity)
-			int from,
+			throws ValidationException {
-			@QueryParam("quantity")
-			@Min(value=1, message="quantity cannot be negative")
-			int quantity) throws ValidationException {
 
 		String context = ScopeProvider.instance.get();
 		Caller caller = AuthorizationProvider.instance.get();
 		logger.debug("Retrieving all posts coming from vre = " + context);
 		ResponseBean responseBean = new ResponseBean();
 		Status status = Status.OK;
-		try{
+		try {
-			RangePosts rangePosts = CassandraConnection.getInstance().getDatabookStore().getRecentPostsByVREAndRange(context, from, quantity);
+			RangePosts rangePosts = CassandraConnection.getInstance().getDatabookStore()
+					.getRecentPostsByVREAndRange(context, from, quantity);
 			Filters.hideSensitiveInformation(rangePosts.getPosts(), caller.getClient().getId());
 			responseBean.setResult(rangePosts);
 			responseBean.setSuccess(true);
-		}catch(Exception e){
+		} catch (Exception e) {
 			logger.error("Unable to retrieve posts for vre = " + context, e);
 			status = Status.INTERNAL_SERVER_ERROR;
 			responseBean.setMessage(e.toString());
@@ -522,6 +531,7 @@ public class Posts {
 
 	/**
 	 * Retrieve posts containing the hashtag in the context bound to the auth token
+	 * 
 	 * @param hashtag he hashtag to be contained within the posts
 	 * @pathExample /get-posts-by-hashtag?hashtag=#thehashtag
 	 * @return the posts in the context bound to the auth token matching the hashtag
@@ -529,30 +539,30 @@ public class Posts {
 	 */
 	@GET
 	@Path("get-posts-by-hashtag/")
-	@Produces({MediaType.APPLICATION_JSON})
+	@Produces({ MediaType.APPLICATION_JSON })
-	@StatusCodes ({
+	@StatusCodes({
-			@ResponseCode ( code = 201, condition = "Sccessfull retrieved posts, they are reported in the 'result' field of the returned object"),
+			@ResponseCode(code = 201, condition = "Sccessfull retrieved posts, they are reported in the 'result' field of the returned object"),
-			@ResponseCode ( code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
+			@ResponseCode(code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
 	})
 	public Response getPostsByHashTags(
-			@QueryParam("hashtag")
+			@QueryParam("hashtag") @NotNull(message = "hashtag cannot be missing") String hashtag)
-			@NotNull(message="hashtag cannot be missing")
+			throws ValidationException {
-			String hashtag) throws ValidationException {
 
 		Caller caller = AuthorizationProvider.instance.get();
 		String username = caller.getClient().getId();
 		String context = ScopeProvider.instance.get();
 		ResponseBean responseBean = new ResponseBean();
 		Status status = Status.OK;
-		logger.debug("User " + username + " has requested posts containing hashtag " + hashtag + " in context " + context);
+		logger.debug(
-		try{
+				"User " + username + " has requested posts containing hashtag " + hashtag + " in context " + context);
+		try {
 			DatabookStore datastore = CassandraConnection.getInstance().getDatabookStore();
 			List<Post> posts = datastore.getVREPostsByHashtag(context, hashtag);
 			Filters.hideSensitiveInformation(posts, caller.getClient().getId());
 			responseBean.setResult(posts);
 			responseBean.setSuccess(true);
 
-		}catch(Exception e){
+		} catch (Exception e) {
 			logger.error("Failed to retrieve hashtags", e);
 			status = Status.INTERNAL_SERVER_ERROR;
 		}
@@ -561,14 +571,16 @@ public class Posts {
 
 	/**
 	 * Retrieve ids (UUID) of the liked posts by the user
-	 * @return ids (UUID) of the liked posts by the user in the context bound to the auth token
+	 * 
+	 * @return ids (UUID) of the liked posts by the user in the context bound to the
+	 *         auth token
 	 */
 	@GET
 	@Path("get-id-liked-posts/")
-	@Produces({MediaType.APPLICATION_JSON})
+	@Produces({ MediaType.APPLICATION_JSON })
-	@StatusCodes ({
+	@StatusCodes({
-			@ResponseCode ( code = 201, condition = "Sccessfull retrieved ids, they are reported in the 'result' field of the returned object"),
+			@ResponseCode(code = 201, condition = "Sccessfull retrieved ids, they are reported in the 'result' field of the returned object"),
-			@ResponseCode ( code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
+			@ResponseCode(code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
 	})
 	public Response getAllLikedPostIdsByUser() {
 
@@ -580,7 +592,7 @@ public class Posts {
 		List<String> retrievedLikedPostsIds = null;
 		ResponseBean responseBean = new ResponseBean();
 		Status status = Status.OK;
-		try{
+		try {
 
 			DatabookStore datastore = CassandraConnection.getInstance().getDatabookStore();
 			retrievedLikedPostsIds = datastore.getAllLikedPostIdsByUser(username);
@@ -588,7 +600,7 @@ public class Posts {
 			responseBean.setResult(retrievedLikedPostsIds);
 			responseBean.setSuccess(true);
 			logger.debug("Ids of liked posts by " + username + " retrieved");
-		}catch(Exception e){
+		} catch (Exception e) {
 			logger.error("Unable to read such ids of liked Posts.", e);
 			responseBean.setMessage(e.getMessage());
 			responseBean.setSuccess(false);
@@ -600,22 +612,22 @@ public class Posts {
 
 	/**
 	 * Retrieve posts liked by the user
+	 * 
 	 * @param limit The maximum number of posts to be retrieved
-	 * @return posts liked by the user (up to a given quantity) in the context bound to the auth token
+	 * @return posts liked by the user (up to a given quantity) in the context bound
+	 *         to the auth token
 	 * @throws ValidationException
 	 */
 	@GET
 	@Path("get-liked-posts/")
 	@Produces(MediaType.APPLICATION_JSON)
-	@StatusCodes ({
+	@StatusCodes({
-			@ResponseCode ( code = 200, condition = "Successfull retrieved posts, they are reported in the 'result' field of the returned object"),
+			@ResponseCode(code = 200, condition = "Successfull retrieved posts, they are reported in the 'result' field of the returned object"),
-			@ResponseCode ( code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
+			@ResponseCode(code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
 	})
 	public Response getAllLikedPostsByUser(
-			@DefaultValue("10")
+			@DefaultValue("10") @QueryParam("limit") @Min(message = "limit cannot be negative", value = 0) int limit)
-			@QueryParam("limit")
+			throws ValidationException {
-			@Min(message="limit cannot be negative", value = 0)
-			int limit) throws ValidationException{
 
 		Caller caller = AuthorizationProvider.instance.get();
 		String username = caller.getClient().getId();
@@ -624,15 +636,17 @@ public class Posts {
 		ResponseBean responseBean = new ResponseBean();
 		Status status = Status.OK;
 
-		try{
+		try {
-			logger.debug("Retrieving " + limit + " liked posts for user with id " + username + " in context " + context);
+			logger.debug(
-			retrievedLikedPosts = CassandraConnection.getInstance().getDatabookStore().getAllLikedPostsByUser(username, limit);
+					"Retrieving " + limit + " liked posts for user with id " + username + " in context " + context);
+			retrievedLikedPosts = CassandraConnection.getInstance().getDatabookStore().getAllLikedPostsByUser(username,
+					limit);
 			Filters.filterPostsPerContext(retrievedLikedPosts, context);
 			Filters.hideSensitiveInformation(retrievedLikedPosts, caller.getClient().getId());
 			responseBean.setResult(retrievedLikedPosts);
 			responseBean.setSuccess(true);
 			logger.debug("Liked posts by " + username + " retrieved");
-		}catch(Exception e){
+		} catch (Exception e) {
 			logger.error("Unable to read such liked posts.", e);
 			responseBean.setMessage(e.getMessage());
 			responseBean.setSuccess(false);
@@ -641,29 +655,27 @@ public class Posts {
 		return Response.status(status).entity(responseBean).build();
 	}
 
-	//libapi
+	// libapi
 
 	@POST
 	@Consumes(MediaType.APPLICATION_JSON)
 	@Produces(MediaType.APPLICATION_JSON)
 	@Path("save-user-post-attachments-lib")
 	public Response saveUserPostLib(
-			@NotNull(message="post to add is missing")
+			@NotNull(message = "post to add is missing") @Valid PostWithAttachment postWithAttachment)
-			@Valid
+			throws ValidationException {
-			PostWithAttachment postWithAttachment
-	) throws ValidationException{
 		ResponseBean responseBean = new ResponseBean();
 		Status status = Status.OK;
-		try{
+		try {
 			Post post = postWithAttachment.getPost();
 			logger.debug("Post is " + post);
 			List<Attachment> attachments = postWithAttachment.getAttachments();
 			logger.debug("Attachments are " + attachments);
-			boolean result = CassandraConnection.getInstance().getDatabookStore().saveUserPost(post,attachments);
+			boolean result = CassandraConnection.getInstance().getDatabookStore().saveUserPost(post, attachments);
 			responseBean.setResult(result);
 			responseBean.setMessage("");
 			responseBean.setSuccess(result);
-		}catch(Exception e){
+		} catch (Exception e) {
 			logger.error("Unable to write comment.", e);
 			responseBean.setMessage(e.getMessage());
 			responseBean.setSuccess(false);
@@ -677,20 +689,18 @@ public class Posts {
 	@Produces(MediaType.APPLICATION_JSON)
 	@Path("save-app-post-attachments-lib")
 	public Response saveAppPostLib(
-			@NotNull(message="post to add is missing")
+			@NotNull(message = "post to add is missing") @Valid PostWithAttachment postWithAttachment)
-			@Valid
+			throws ValidationException {
-			PostWithAttachment postWithAttachment
-	) throws ValidationException{
 		ResponseBean responseBean = new ResponseBean();
 		Status status = Status.OK;
-		try{
+		try {
 			Post post = postWithAttachment.getPost();
 			List<Attachment> attachments = postWithAttachment.getAttachments();
-			boolean result = CassandraConnection.getInstance().getDatabookStore().saveAppPost(post,attachments);
+			boolean result = CassandraConnection.getInstance().getDatabookStore().saveAppPost(post, attachments);
 			responseBean.setResult(result);
 			responseBean.setMessage("");
 			responseBean.setSuccess(result);
-		}catch(Exception e){
+		} catch (Exception e) {
 			logger.error("Unable to write comment.", e);
 			responseBean.setMessage(e.getMessage());
 			responseBean.setSuccess(false);

src/main/java/org/gcube/portal/social/networking/ws/methods/v2/Tokens.java

@@ -24,7 +24,6 @@ import org.slf4j.LoggerFactory;
 import com.webcohesion.enunciate.metadata.rs.ResponseCode;
 import com.webcohesion.enunciate.metadata.rs.StatusCodes;
 
-
 /**
  * REST interface for the social networking library (tokens).
  */
@@ -39,21 +38,20 @@ public class Tokens {
 	@Path("generate-application-token/")
 	@Produces(MediaType.APPLICATION_JSON)
 	@Consumes(MediaType.APPLICATION_JSON)
-	@StatusCodes ({
+	@StatusCodes({
-		@ResponseCode ( code = 201, condition = "Successful creation of the token, reported in the 'result' field of the returned object"),
+			@ResponseCode(code = 201, condition = "Successful creation of the token, reported in the 'result' field of the returned object"),
-		@ResponseCode ( code = 403, condition = "There is no application profile with such id"),
+			@ResponseCode(code = 403, condition = "There is no application profile with such id"),
-		@ResponseCode ( code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
+			@ResponseCode(code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
 	})
 	/**
 	 * Generate a legacy application auth token for the application with id app_id
+	 * 
 	 * @param input The bean containing the app_id field
 	 * @return the legacy application token
 	 * @throws ValidationException
 	 */
 	public Response generateApplicationToken(
-			@NotNull(message="Missing input parameter") 
+			@NotNull(message = "Missing input parameter") @Valid ApplicationId input) throws ValidationException {
-			@Valid
-			ApplicationId input) throws ValidationException{
 
 		logger.debug("Incoming request for app token generation.");
 		String context = ScopeProvider.instance.get();
@@ -63,7 +61,7 @@ public class Tokens {
 		try {
 			// check if the token actually matches an application profile
 			ApplicationProfile appProfile = SocialUtils.getProfileFromInfrastrucure(appId, context);
-			if(appProfile == null){
+			if (appProfile == null) {
 				logger.error("The given id doesn't belong to an application!!!");
 				responseBean.setSuccess(false);
 				responseBean.setMessage(ErrorMessages.NOT_APP_ID);

src/main/java/org/gcube/portal/social/networking/ws/methods/v2/Users.java

@@ -52,19 +52,21 @@ import com.webcohesion.enunciate.metadata.rs.StatusCodes;
  * REST interface for the social networking library (users).
  */
 @Path("2/users")
-@RequestHeaders ({
+@RequestHeaders({
-	@RequestHeader( name = "Authorization", description = "Bearer token, see https://dev.d4science.org/how-to-access-resources"),
+		@RequestHeader(name = "Authorization", description = "Bearer token, see https://dev.d4science.org/how-to-access-resources"),
-	@RequestHeader( name = "Content-Type", description = "application/json")	  
+		@RequestHeader(name = "Content-Type", description = "application/json")
 })
 public class Users {
 
 	// Logger
 	private static final org.slf4j.Logger logger = LoggerFactory.getLogger(Users.class);
 	private static final String NOT_USER_TOKEN_CONTEXT_USED = "User's information can only be retrieved through a user token (not qualified)";
-	private static final List<String> GLOBAL_ROLES_ALLOWED_BY_LOCAL_CALL_METHOD = Arrays.asList("DataMiner-Manager","Quota-Manager");
+	private static final List<String> GLOBAL_ROLES_ALLOWED_BY_LOCAL_CALL_METHOD = Arrays.asList("DataMiner-Manager",
+			"Quota-Manager");
 
 	/**
 	 * Read a user's custom attribute. The user is the one owning the token
+	 * 
 	 * @param attributeKey The key of the attribute to be read
 	 * @return the user's custom attribute
 	 * @throws ValidationException
@@ -72,35 +74,33 @@ public class Users {
 	@GET
 	@Path("get-custom-attribute/")
 	@Produces(MediaType.APPLICATION_JSON)
-	@StatusCodes ({
+	@StatusCodes({
-		@ResponseCode ( code = 200, condition = "Successful read of the attribute, reported in the 'result' field of the returned object"),
+			@ResponseCode(code = 200, condition = "Successful read of the attribute, reported in the 'result' field of the returned object"),
-		@ResponseCode ( code = 404, condition = "Such an attribute doesn't exist"),
+			@ResponseCode(code = 404, condition = "Such an attribute doesn't exist"),
-		@ResponseCode ( code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
+			@ResponseCode(code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
 	})
 	public Response readCustomAttr(
-			@QueryParam("attribute") 
+			@QueryParam("attribute") @NotNull(message = "attribute name is missing") String attributeKey)
-			@NotNull(message="attribute name is missing") 
+			throws ValidationException {
-			String attributeKey
-			) throws ValidationException {
 
 		Caller caller = AuthorizationProvider.instance.get();
 		String username = caller.getClient().getId();
 		ResponseBean responseBean = new ResponseBean();
 		Status status = Status.OK;
-		if(!TokensUtils.isUserTokenDefault(caller)){
+		if (!TokensUtils.isUserTokenDefault(caller)) {
 			status = Status.FORBIDDEN;
 			responseBean.setMessage(NOT_USER_TOKEN_CONTEXT_USED);
 			logger.warn("Trying to access users method via a token different than USER is not allowed");
-		}else{
+		} else {
 			UserManager userManager = UserManagerWSBuilder.getInstance().getUserManager();
-			try{
+			try {
 
 				GCubeUser user = userManager.getUserByUsername(username);
-				String toReturn = (String)userManager.readCustomAttr(user.getUserId(), attributeKey);
+				String toReturn = (String) userManager.readCustomAttr(user.getUserId(), attributeKey);
 				responseBean.setSuccess(true);
 				responseBean.setResult(toReturn);
 
-			}catch(Exception e){
+			} catch (Exception e) {
 
 				logger.error("Unable to retrieve attribute for user.", e);
 				responseBean.setMessage(e.toString());
@@ -114,16 +114,17 @@ public class Users {
 
 	/**
 	 * Read the user's fullname. The user is the one owning the token
+	 * 
 	 * @return the user's fullname
 	 */
 	@GET
 	@Path("get-fullname")
 	@Produces(MediaType.APPLICATION_JSON)
-	@StatusCodes ({
+	@StatusCodes({
-		@ResponseCode ( code = 200, condition = "The user's fullname is reported in the 'result' field of the returned object"),
+			@ResponseCode(code = 200, condition = "The user's fullname is reported in the 'result' field of the returned object"),
-		@ResponseCode ( code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
+			@ResponseCode(code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
 	})
-	public Response getUserFullname(){
+	public Response getUserFullname() {
 
 		Caller caller = AuthorizationProvider.instance.get();
 		String username = caller.getClient().getId();
@@ -131,21 +132,21 @@ public class Users {
 		ResponseBean responseBean = new ResponseBean();
 		Status status = Status.OK;
 
-		if(!TokensUtils.isUserTokenDefault(caller)){
+		if (!TokensUtils.isUserTokenDefault(caller)) {
 			status = Status.FORBIDDEN;
 			responseBean.setMessage(NOT_USER_TOKEN_CONTEXT_USED);
 			logger.warn("Trying to access users method via a token different than USER is not allowed");
-		}else{
+		} else {
 			UserManager userManager = UserManagerWSBuilder.getInstance().getUserManager();
-			try{
+			try {
 
 				GCubeUser user = userManager.getUserByUsername(username);
 				fullName = user.getFullname();
-				logger.debug("Found fullname " + fullName + " for user " +  username);
+				logger.debug("Found fullname " + fullName + " for user " + username);
 				responseBean.setResult(fullName);
 				responseBean.setSuccess(true);
 
-			}catch(Exception e){
+			} catch (Exception e) {
 
 				logger.error("Unable to retrieve attribute for user.", e);
 				status = Status.INTERNAL_SERVER_ERROR;
@@ -157,36 +158,37 @@ public class Users {
 
 	/**
 	 * Read the user's email address. The user is the one owning the token
+	 * 
 	 * @return rhe user's email address
 	 */
 	@GET
 	@Path("get-email")
 	@Produces(MediaType.APPLICATION_JSON)
-	@StatusCodes ({
+	@StatusCodes({
-		@ResponseCode ( code = 200, condition = "The user's email is reported in the 'result' field of the returned object"),
+			@ResponseCode(code = 200, condition = "The user's email is reported in the 'result' field of the returned object"),
-		@ResponseCode ( code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
+			@ResponseCode(code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
 	})
-	public Response getUserEmail(){
+	public Response getUserEmail() {
 
 		Caller caller = AuthorizationProvider.instance.get();
 		String username = caller.getClient().getId();
 		String email = null;
 		ResponseBean responseBean = new ResponseBean();
 		Status status = Status.OK;
-		if(!TokensUtils.isUserTokenDefault(caller)){
+		if (!TokensUtils.isUserTokenDefault(caller)) {
 			status = Status.FORBIDDEN;
 			responseBean.setMessage(NOT_USER_TOKEN_CONTEXT_USED);
 			logger.warn("Trying to access users method via a token different than USER is not allowed");
-		}else{
+		} else {
-			try{
+			try {
 				UserManager userManager = UserManagerWSBuilder.getInstance().getUserManager();
 				GCubeUser user = userManager.getUserByUsername(username);
 				email = user.getEmail();
-				logger.debug("Found email " + email + " for user " +  username);
+				logger.debug("Found email " + email + " for user " + username);
 				responseBean.setResult(email);
 				responseBean.setSuccess(true);
 
-			}catch(Exception e){
+			} catch (Exception e) {
 
 				logger.error("Unable to retrieve attribute for user.", e);
 				status = Status.INTERNAL_SERVER_ERROR;
@@ -198,17 +200,27 @@ public class Users {
 
 	/**
 	 * Get the profile associated to the token
-	 * @responseExample application/json { "success" : true, "message" : null, "result" : { "user_id" : 23769487, "username" : "john.smith", "email" : "********", "first_name" : "John", "middle_name" : "", "last_name" : "Smith", "fullname" : "John Smith", "registration_date" : 1475151491415, "user_avatar_url" : "https://******D", "male" : true, "job_title" : "", "location_industry" : "no", "custom_attrs_map" : null, "email_addresses" : [ ], "screen_name" : "john.smith", "user_avatar_id" : "https://****sY%3D" } }
+	 * 
+	 * @responseExample application/json { "success" : true, "message" : null,
+	 *                  "result" : { "user_id" : 23769487, "username" :
+	 *                  "john.smith", "email" : "********", "first_name" : "John",
+	 *                  "middle_name" : "", "last_name" : "Smith", "fullname" :
+	 *                  "John Smith", "registration_date" : 1475151491415,
+	 *                  "user_avatar_url" : "https://******D", "male" : true,
+	 *                  "job_title" : "", "location_industry" : "no",
+	 *                  "custom_attrs_map" : null, "email_addresses" : [ ],
+	 *                  "screen_name" : "john.smith", "user_avatar_id" :
+	 *                  "https://****sY%3D" } }
 	 * @return the user's profile. The user is the one owning the token
 	 */
 	@GET
 	@Path("get-profile")
 	@Produces(MediaType.APPLICATION_JSON)
-	@StatusCodes ({
+	@StatusCodes({
-		@ResponseCode ( code = 200, condition = "The user's profile is reported in the 'result' field of the returned object"),
+			@ResponseCode(code = 200, condition = "The user's profile is reported in the 'result' field of the returned object"),
-		@ResponseCode ( code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
+			@ResponseCode(code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
 	})
-	public Response getUserProfile(){
+	public Response getUserProfile() {
 
 		Caller caller = AuthorizationProvider.instance.get();
 		String username = caller.getClient().getId();
@@ -216,17 +228,17 @@ public class Users {
 		ResponseBean responseBean = new ResponseBean();
 		Status status = Status.OK;
 
-		if(!TokensUtils.isUserToken(caller)){
+		if (!TokensUtils.isUserToken(caller)) {
 			status = Status.FORBIDDEN;
 			responseBean.setMessage("User's information can only be retrieved through a user Jtoken");
 			logger.warn("Trying to access users method via a token different than 'user-token' is not allowed");
-		}else{
+		} else {
-			try{
+			try {
 				UserManager userManager = UserManagerWSBuilder.getInstance().getUserManager();
 				user = userManager.getUserByUsername(username);
 				responseBean.setResult(user);
 				responseBean.setSuccess(true);
-			}catch(Exception e){
+			} catch (Exception e) {
 				logger.error("Unable to retrieve user's profile", e);
 				responseBean.setMessage(e.getMessage());
 				status = Status.INTERNAL_SERVER_ERROR;
@@ -235,16 +247,16 @@ public class Users {
 		return Response.status(status).entity(responseBean).build();
 	}
 
-	private static final Function<GCubeUser, UserProfileExtendedWithVerifiedEmail> GCUBE_TO_EXTENDED_PROFILE_MAP_WITH_VERIFIED_EMAIL
+	private static final Function<GCubeUser, UserProfileExtendedWithVerifiedEmail> GCUBE_TO_EXTENDED_PROFILE_MAP_WITH_VERIFIED_EMAIL = new Function<GCubeUser, UserProfileExtendedWithVerifiedEmail>() {
-	= new Function<GCubeUser, UserProfileExtendedWithVerifiedEmail>() {
 
 		@Override
 		public UserProfileExtendedWithVerifiedEmail apply(GCubeUser t) {
 
-			if(t == null)
+			if (t == null)
 				return null;
 
-			UserProfileExtendedWithVerifiedEmail profile = new UserProfileExtendedWithVerifiedEmail(t.getUsername(), null, t.getUserAvatarURL(), t.getFullname());
+			UserProfileExtendedWithVerifiedEmail profile = new UserProfileExtendedWithVerifiedEmail(t.getUsername(),
+					null, t.getUserAvatarURL(), t.getFullname());
 			profile.setEmail(t.getEmail());
 			profile.setFirstName(t.getFirstName());
 			profile.setJobTitle(t.getJobTitle());
@@ -259,25 +271,25 @@ public class Users {
 
 	/**
 	 * @responseExample application/json {
-    "id": "john.smith",
+	 *                  "id": "john.smith",
-    "roles": [],
+	 *                  "roles": [],
-    "picture": "https://***gAJ4uVWTA74xwQ6%2FCA72RRinysY%3D",
+	 *                  "picture": "https://***gAJ4uVWTA74xwQ6%2FCA72RRinysY%3D",
-    "name": "John Smith",
+	 *                  "name": "John Smith",
-    "middle_name": "",
+	 *                  "middle_name": "",
-    "male": true,
+	 *                  "male": true,
-    "location_industry": "no",
+	 *                  "location_industry": "no",
-    "given_name": "John",
+	 *                  "given_name": "John",
-    "email": "******",
+	 *                  "email": "******",
-    "job_title": "",
+	 *                  "job_title": "",
-    "family_name": "Smith",
+	 *                  "family_name": "Smith",
-    "verified_email": true
+	 *                  "verified_email": true
-}
+	 *                  }
 	 * @return the user's profile compliant with oauth
 	 */
 	@GET
 	@Path("get-oauth-profile")
 	@Produces(MediaType.APPLICATION_JSON)
-	public Response getUserOAuthProfile(){
+	public Response getUserOAuthProfile() {
 		Caller caller = AuthorizationProvider.instance.get();
 		String username = caller.getClient().getId();
 		String scope = ScopeProvider.instance.get();
@@ -285,62 +297,64 @@ public class Users {
 		ResponseBean responseBean = new ResponseBean();
 		Status status = Status.OK;
 		UserProfileExtendedWithVerifiedEmail userWithEmailVerified = null;
-		if(!TokensUtils.isUserToken(caller)){
+		if (!TokensUtils.isUserToken(caller)) {
 			status = Status.FORBIDDEN;
 			responseBean.setMessage(NOT_USER_TOKEN_CONTEXT_USED);
 			logger.warn("Trying to access users method via a token different than USER is not allowed");
-		}else{
+		} else {
-			try{
+			try {
 				UserManager userManager = UserManagerWSBuilder.getInstance().getUserManager();
 				RoleManager roleManager = RoleManagerWSBuilder.getInstance().getRoleManager();
 				GroupManager groupManager = GroupManagerWSBuilder.getInstance().getGroupManager();
 				user = userManager.getUserByUsername(username);
 				userWithEmailVerified = GCUBE_TO_EXTENDED_PROFILE_MAP_WITH_VERIFIED_EMAIL.apply(user);
-				List<GCubeRole> roles = roleManager.listRolesByUserAndGroup(user.getUserId(), groupManager.getGroupIdFromInfrastructureScope(scope));
+				List<GCubeRole> roles = roleManager.listRolesByUserAndGroup(user.getUserId(),
+						groupManager.getGroupIdFromInfrastructureScope(scope));
 				List<String> rolesNames = new ArrayList<String>();
 				for (GCubeRole gCubeRole : roles) {
 					rolesNames.add(gCubeRole.getRoleName());
 				}
 				userWithEmailVerified.setRoles(rolesNames);
 
-				//responseBean.setResult(userWithEmailVerified);
+				// responseBean.setResult(userWithEmailVerified);
 				responseBean.setSuccess(true);
-			}catch(Exception e){
+			} catch (Exception e) {
 				logger.error("Unable to retrieve user's profile", e);
 				responseBean.setMessage(e.getMessage());
 				status = Status.INTERNAL_SERVER_ERROR;
 			}
 		}
-		logger.debug("returning: "+userWithEmailVerified.toString());
+		logger.debug("returning: " + userWithEmailVerified.toString());
 		return Response.status(status).entity(userWithEmailVerified).build();
 	}
 
 	/**
-	 *  @responseExample application/json {
+	 * @responseExample application/json {
-    "success": true,
+	 *                  "success": true,
-    "message": null,
+	 *                  "message": null,
-    "result": [
+	 *                  "result": [
-        "john.smith",
+	 *                  "john.smith",
-        "marco.polo"
+	 *                  "marco.polo"
-    ]
+	 *                  ]
-}
+	 *                  }
-	 * Get the list of usernames belonging to a given context
+	 *                  Get the list of usernames belonging to a given context
-	 * @return the list of usernames for the user belonging to the context linked to the provided auth token
+	 * @return the list of usernames for the user belonging to the context linked to
+	 *         the provided auth token
 	 */
 	@GET
 	@Path("get-all-usernames")
 	@Produces(MediaType.APPLICATION_JSON)
-	@StatusCodes ({
+	@StatusCodes({
-		@ResponseCode ( code = 200, condition = "The list of usernames is put into the 'result' field of the returned object"),
+			@ResponseCode(code = 200, condition = "The list of usernames is put into the 'result' field of the returned object"),
-		@ResponseCode ( code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
+			@ResponseCode(code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
 	})
-	public Response getAllUserNames(){
+	public Response getAllUserNames() {
 
 		ResponseBean responseBean = new ResponseBean();
 		Status status = Status.OK;
 
 		List<String> usernames = new ArrayList<String>();
-		try{
+		try {
 
 			GroupManager groupManager = GroupManagerWSBuilder.getInstance().getGroupManager();
 			UserManager userManager = UserManagerWSBuilder.getInstance().getUserManager();
@@ -353,21 +367,21 @@ public class Users {
 			UsersCache cache = UsersCache.getSingleton();
 
 			for (Long userId : userIds) {
-				if(cache.getUser(userId) == null){
+				if (cache.getUser(userId) == null) {
 					GCubeUser user = userManager.getUserById(userId);
-					if(user != null){
+					if (user != null) {
 						usernames.add(user.getUsername());
 						cache.pushEntry(userId, user);
 					}
-				}else
+				} else
 					usernames.add(cache.getUser(userId).getUsername());
 			}
 
 			responseBean.setResult(usernames);
 			responseBean.setSuccess(true);
-		}catch(Exception e){
+		} catch (Exception e) {
 			logger.error("Unable to retrieve user's usernames", e);
-			responseBean.setMessage(e.getMessage()); 
+			responseBean.setMessage(e.getMessage());
 			status = Status.INTERNAL_SERVER_ERROR;
 		}
 
@@ -375,23 +389,26 @@ public class Users {
 	}
 
 	/**
-	 * Get the map of couples username/fullname of the users belonging to a given context
+	 * Get the map of couples username/fullname of the users belonging to a given
-	 * @return the map of couples username/fullname of the users belonging to the context linked to the provided token.
+	 * context
+	 * 
+	 * @return the map of couples username/fullname of the users belonging to the
+	 *         context linked to the provided token.
 	 */
 	@GET
 	@Path("get-all-fullnames-and-usernames")
-	@StatusCodes ({
+	@StatusCodes({
-		@ResponseCode ( code = 200, condition = "The map is put into the 'result' field of the returned object"),
+			@ResponseCode(code = 200, condition = "The map is put into the 'result' field of the returned object"),
-		@ResponseCode ( code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
+			@ResponseCode(code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
 	})
 	@Produces(MediaType.APPLICATION_JSON)
-	public Response getFullnamesAndUsernames(){
+	public Response getFullnamesAndUsernames() {
 
 		ResponseBean responseBean = new ResponseBean();
 		Status status = Status.OK;
 
 		Map<String, String> usernamesAndFullnames = new HashMap<String, String>();
-		try{
+		try {
 
 			GroupManager groupManager = GroupManagerWSBuilder.getInstance().getGroupManager();
 			UserManager userManager = UserManagerWSBuilder.getInstance().getUserManager();
@@ -404,21 +421,21 @@ public class Users {
 			UsersCache cache = UsersCache.getSingleton();
 
 			for (Long userId : userIds) {
-				if(cache.getUser(userId) == null){
+				if (cache.getUser(userId) == null) {
 					GCubeUser user = userManager.getUserById(userId);
-					if(user != null){
+					if (user != null) {
 						usernamesAndFullnames.put(user.getUsername(), user.getFullname());
 						cache.pushEntry(userId, user);
 					}
-				}else
+				} else
 					usernamesAndFullnames.put(cache.getUser(userId).getUsername(), cache.getUser(userId).getFullname());
 			}
 
 			responseBean.setResult(usernamesAndFullnames);
 			responseBean.setSuccess(true);
-		}catch(Exception e){
+		} catch (Exception e) {
 			logger.error("Unable to retrieve user's usernames", e);
-			responseBean.setMessage(e.getMessage()); 
+			responseBean.setMessage(e.getMessage());
 			status = Status.INTERNAL_SERVER_ERROR;
 		}
 
@@ -426,52 +443,55 @@ public class Users {
 	}
 
 	/**
-	 * Get the list of users having a given global-role, e.g. 'Administrator'. (Legacy)
+	 * Get the list of users having a given global-role, e.g. 'Administrator'.
+	 * (Legacy)
+	 * 
 	 * @param roleName the name of the role to be checked (e.g. Administrator)
 	 * @return the list of users having a given global-role
 	 */
 	@GET
 	@Path("get-usernames-by-global-role")
 	@Produces(MediaType.APPLICATION_JSON)
-	@StatusCodes ({
+	@StatusCodes({
-		@ResponseCode ( code = 200, condition = "The list is put into the 'result' field of the returned object"),
+			@ResponseCode(code = 200, condition = "The list is put into the 'result' field of the returned object"),
-		@ResponseCode ( code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
+			@ResponseCode(code = 500, condition = ErrorMessages.ERROR_IN_API_RESULT)
 	})
 	public Response getUsernamesByGlobalRole(
-			@QueryParam("role-name") String roleName){
+			@QueryParam("role-name") String roleName) {
 
 		ResponseBean responseBean = new ResponseBean();
 		Status status = Status.OK;
 
-		// this method can only be called from IS scope (except for roles in GLOBAL_ROLES_ALLOWED_BY_LOCAL)
+		// this method can only be called from IS scope (except for roles in
+		// GLOBAL_ROLES_ALLOWED_BY_LOCAL)
 		ScopeBean scopeInfo = new ScopeBean(ScopeProvider.instance.get());
 
-		if(!scopeInfo.is(Type.INFRASTRUCTURE)){
+		if (!scopeInfo.is(Type.INFRASTRUCTURE)) {
 			status = Status.BAD_REQUEST;
 			responseBean.setMessage("This method can only be called with an infrastructure token");
-		}else{
+		} else {
 
 			List<String> usernames = new ArrayList<String>();
-			try{
+			try {
 				RoleManager roleManager = RoleManagerWSBuilder.getInstance().getRoleManager();
 				long globalRoleId = roleManager.getRoleIdByName(roleName);
-				if(globalRoleId > 0){
+				if (globalRoleId > 0) {
 					UserManager userManager = UserManagerWSBuilder.getInstance().getUserManager();
 					List<GCubeUser> users = userManager.listUsersByGlobalRole(globalRoleId);
-					if(users != null){
+					if (users != null) {
 						for (GCubeUser gCubeUser : users) {
 							usernames.add(gCubeUser.getUsername());
 						}
 					}
 					responseBean.setResult(usernames);
 					responseBean.setSuccess(true);
-				}else{
+				} else {
 					responseBean.setMessage("No global role exists whit such a name");
 					status = Status.BAD_REQUEST;
 				}
-			}catch(Exception e){
+			} catch (Exception e) {
 				logger.error("Unable to retrieve user's usernames", e);
-				responseBean.setMessage(e.getMessage()); 
+				responseBean.setMessage(e.getMessage());
 				status = Status.INTERNAL_SERVER_ERROR;
 			}
 		}
@@ -483,28 +503,27 @@ public class Users {
 	 * @param roleName the role name
 	 * @return the usernames having the role in the VRE
 	 * @responseExample application/json {
-    "success": true,
+	 *                  "success": true,
-    "message": null,
+	 *                  "message": null,
-    "result": [
+	 *                  "result": [
-        "john.smith",
+	 *                  "john.smith",
-        "marco.polo"
+	 *                  "marco.polo"
-    ]
+	 *                  ]
-}
+	 *                  }
 	 */
 	@GET
 	@Path("get-usernames-by-role")
 	@Produces(MediaType.APPLICATION_JSON)
 	public Response getUsernamesByRole(
-			@QueryParam("role-name") String roleName){
+			@QueryParam("role-name") String roleName) {
 		ResponseBean responseBean = new ResponseBean();
 		Status status = Status.OK;
 		String context = ScopeProvider.instance.get();
 
 		KeycloakAPICredentials apiService = KeycloakAPICredentials.getSingleton();
-		
+
 		Keycloak keycloak;
 
-		
 		keycloak = KeycloakBuilder.builder()
 				.serverUrl(apiService.getServerURL())
 				.realm(apiService.getRealm())
@@ -512,38 +531,38 @@ public class Users {
 				.clientId(apiService.getClientid()) //
 				.clientSecret(apiService.getPassword()).build();
 
-
 		List<String> usernames = new ArrayList<String>();
 		try {
 			List<UserRepresentation> users = searchByRole(keycloak, apiService.getRealm(), context, roleName);
-			if(users != null){
+			if (users != null) {
 				for (UserRepresentation user : users) {
 					usernames.add(user.getUsername());
 				}
 			}
 			responseBean.setResult(usernames);
 			responseBean.setSuccess(true);
-		} catch(Exception e){
+		} catch (Exception e) {
 			logger.error("Unable to retrieve user with the requested role", e);
-			responseBean.setMessage(e.getMessage()); 
+			responseBean.setMessage(e.getMessage());
 			status = Status.INTERNAL_SERVER_ERROR;
 		}
 		return Response.status(status).entity(responseBean).build();
 	}
 
-	private static List<UserRepresentation> searchByRole(Keycloak keycloak, String realmName, String context, String roleName) {
+	private static List<UserRepresentation> searchByRole(Keycloak keycloak, String realmName, String context,
+			String roleName) {
 		logger.debug("Searching by role: {}", roleName);
 
-		String clientIdContext = context.replace("/", "%2F") ;
+		String clientIdContext = context.replace("/", "%2F");
 
 		List<ClientRepresentation> clients = keycloak.realm(realmName)
 				.clients().findByClientId(clientIdContext);
 
 		String id = "";
 		for (ClientRepresentation client : clients) {
-			logger.debug("found client ="+client.getClientId());
+			logger.debug("found client =" + client.getClientId());
-			logger.debug("found client id="+client.getId());
+			logger.debug("found client id=" + client.getId());
-			id =client.getId();
+			id = client.getId();
 		}
 
 		List<UserRepresentation> users = keycloak.realm(realmName)
@@ -553,12 +572,11 @@ public class Users {
 		return users;
 	}
 
-
 	@GET
 	@Path("user-exists")
 	@Produces(MediaType.APPLICATION_JSON)
 	@Deprecated
-	public Response existUser(@QueryParam("username") String username){
+	public Response existUser(@QueryParam("username") String username) {
 
 		ResponseBean responseBean = new ResponseBean();
 		String messageOnError = "This method can be invoked only by using an application token bound to the root context";
@@ -567,15 +585,15 @@ public class Users {
 		responseBean.setSuccess(false);
 		Caller caller = AuthorizationProvider.instance.get();
 
-		if(!TokensUtils.isApplicationToken(caller))
+		if (!TokensUtils.isApplicationToken(caller))
 			return Response.status(status).entity(responseBean).build();
 
 		ScopeBean scopeInfo = new ScopeBean(ScopeProvider.instance.get());
 
-		if(!scopeInfo.is(Type.INFRASTRUCTURE))
+		if (!scopeInfo.is(Type.INFRASTRUCTURE))
 			return Response.status(status).entity(responseBean).build();
 
-		try{
+		try {
 
 			UserManager userManager = UserManagerWSBuilder.getInstance().getUserManager();
 			GCubeUser user = userManager.getUserByUsername(username);
@@ -584,9 +602,9 @@ public class Users {
 			responseBean.setResult(user != null);
 			status = Status.OK;
 
-		}catch(Exception e){
+		} catch (Exception e) {
 			logger.error("Unable to retrieve such information", e);
-			responseBean.setMessage(e.getMessage()); 
+			responseBean.setMessage(e.getMessage());
 			status = Status.INTERNAL_SERVER_ERROR;
 		}
 

src/main/java/org/gcube/portal/social/networking/ws/methods/v2/VREs.java

@@ -32,15 +32,14 @@ import org.slf4j.LoggerFactory;
 import com.webcohesion.enunciate.metadata.rs.RequestHeader;
 import com.webcohesion.enunciate.metadata.rs.RequestHeaders;
 
-
 /**
  * REST interface for the social networking library (vres).
  */
 @Path("2/vres")
-@RequestHeaders ({
+@RequestHeaders({
-	  @RequestHeader( name = "Authorization", description = "Bearer token, see https://dev.d4science.org/how-to-access-resources"),
+		@RequestHeader(name = "Authorization", description = "Bearer token, see https://dev.d4science.org/how-to-access-resources"),
-	  @RequestHeader( name = "Content-Type", description = "application/json")	  
+		@RequestHeader(name = "Content-Type", description = "application/json")
-	})
+})
 public class VREs {
 
 	// Logger
@@ -48,18 +47,18 @@ public class VREs {
 
 	/**
 	 * @responseExample application/json {
-  "success" : true,
+	 *                  "success" : true,
-  "message" : null,
+	 *                  "message" : null,
-  "result" : [ {
+	 *                  "result" : [ {
-    "name" : "NextNext",
+	 *                  "name" : "NextNext",
-    "context" : "/gcube/devNext/NextNext",
+	 *                  "context" : "/gcube/devNext/NextNext",
-    "description" : "NextNext description  AAA"
+	 *                  "description" : "NextNext description AAA"
-  }, {
+	 *                  }, {
-    "name" : "devVRE",
+	 *                  "name" : "devVRE",
-    "context" : "/gcube/devsec/devVRE",
+	 *                  "context" : "/gcube/devsec/devVRE",
-    "description" : "devVRE description  BBB"
+	 *                  "description" : "devVRE description BBB"
-  } ]
+	 *                  } ]
-}
+	 *                  }
 	 * @pathExample /get-my-vres?getManagers=false
 	 * @param getManagers set true if you also want to know the VRE-Managers
 	 * @return the list of vres along with some metadata
@@ -70,23 +69,22 @@ public class VREs {
 	@Path("get-my-vres/")
 	@Produces(MediaType.APPLICATION_JSON)
 	public Response getMyVres(
-			@DefaultValue("false") @QueryParam("getManagers") boolean getManagers
+			@DefaultValue("false") @QueryParam("getManagers") boolean getManagers) throws ValidationException {
-			) throws ValidationException {
 
 		Caller caller = AuthorizationProvider.instance.get();
 		String username = caller.getClient().getId();
 		ResponseBean responseBean = new ResponseBean();
 		Status status = Status.OK;
 
-		if(!TokensUtils.isUserToken(caller)){
+		if (!TokensUtils.isUserToken(caller)) {
 			status = Status.FORBIDDEN;
 			responseBean.setMessage("This method can only be invoked with a user token!");
 			logger.warn("Trying to access get-my-vres method via a token different than USER is not allowed");
-		}else{
+		} else {
 			GroupManager gmManager = GroupManagerWSBuilder.getInstance().getGroupManager();
 			UserManager userManager = UserManagerWSBuilder.getInstance().getUserManager();
 			RoleManager roleManager = RoleManagerWSBuilder.getInstance().getRoleManager();
-			try{
+			try {
 
 				GCubeUser user = userManager.getUserByUsername(username);
 				List<GCubeGroup> vres = gmManager.listVresByUser(user.getUserId());
@@ -99,11 +97,11 @@ public class VREs {
 					obj.put("name", group.getGroupName());
 					obj.put("context", gmManager.getInfrastructureScope(group.getGroupId()));
 					obj.put("description", group.getDescription());
-					//obj.put("thumbnail_url", ...); // TODO
+					// obj.put("thumbnail_url", ...); // TODO
 					JSONArray managers = new JSONArray();
 
-					if(getManagers){
+					if (getManagers) {
-						List<GCubeUser> vreManagers = userManager.listUsersByGroupAndRole(group.getGroupId(), 
+						List<GCubeUser> vreManagers = userManager.listUsersByGroupAndRole(group.getGroupId(),
 								roleManager.getRoleIdByName(GatewayRolesNames.VRE_MANAGER.getRoleName()));
 
 						for (GCubeUser vreManager : vreManagers) {
@@ -121,7 +119,7 @@ public class VREs {
 				responseBean.setSuccess(true);
 				responseBean.setResult(toReturn);
 
-			}catch(Exception e){
+			} catch (Exception e) {
 
 				logger.error("Unable to retrieve vres for user.", e);
 				responseBean.setMessage(e.toString());
@@ -131,5 +129,5 @@ public class VREs {
 			}
 		}
 		return Response.status(status).entity(responseBean).build();
-	}	
+	}
 }

src/main/java/org/gcube/portal/social/networking/ws/outputs/ResponseBean.java

@@ -31,7 +31,7 @@ public class ResponseBean implements Serializable {
 	 * @param success
 	 * @param message
 	 * @param result
-     */
+	 */
 	public ResponseBean(boolean success, String message, Object result) {
 		super();
 		this.success = success;
@@ -39,32 +39,26 @@ public class ResponseBean implements Serializable {
 		this.result = result;
 	}
 
-
 	public boolean isSuccess() {
 		return success;
 	}
 
-
 	public void setSuccess(boolean success) {
 		this.success = success;
 	}
 
-
 	public String getMessage() {
 		return message;
 	}
 
-
 	public void setMessage(String message) {
 		this.message = message;
 	}
 
-
 	public Object getResult() {
 		return result;
 	}
 
-
 	public void setResult(Object result) {
 		this.result = result;
 	}

src/main/java/org/gcube/portal/social/networking/ws/providers/CustomObjectMapper.java

@@ -11,10 +11,14 @@ import com.fasterxml.jackson.databind.SerializationFeature;
 
 @Provider
 /**
- * Custom mapper with property CAMEL_CASE_TO_LOWER_CASE_WITH_UNDERSCORES to perform serialization/deserialization
+ * Custom mapper with property CAMEL_CASE_TO_LOWER_CASE_WITH_UNDERSCORES to
- *  with snake case over camel case for json beans.
+ * perform serialization/deserialization
- *  TODO check https://github.com/FasterXML/jackson-docs/wiki/JacksonMixInAnnotations for applying such transformation
+ * with snake case over camel case for json beans.
- *  only to some classes.
+ * TODO check
+ * https://github.com/FasterXML/jackson-docs/wiki/JacksonMixInAnnotations for
+ * applying such transformation
+ * only to some classes.
+ * 
  * @author Costantino Perciante at ISTI-CNR (costantino.perciante@isti.cnr.it)
  */
 public class CustomObjectMapper implements ContextResolver<ObjectMapper> {

src/main/java/org/gcube/portal/social/networking/ws/utils/CassandraConnection.java

@@ -8,6 +8,7 @@ import org.slf4j.LoggerFactory;
 
 /**
  * Cassandra connection class.
+ * 
  * @author Costantino Perciante at ISTI-CNR
  */
 public class CassandraConnection {
@@ -16,35 +17,37 @@ public class CassandraConnection {
 	private static final org.slf4j.Logger logger = LoggerFactory.getLogger(CassandraConnection.class);
 
 	// databook store (singleton)
-	private static DatabookStore store; 
+	private static DatabookStore store;
-	
+
 	private static CassandraConnection singleton = new CassandraConnection();
-	
+
-	private CassandraConnection(){
+	private CassandraConnection() {
 		ApplicationContext ctx = ContextProvider.get(); // get this info from SmartGears
 		logger.debug("Getting connection to cassandra");
 		store = new DBCassandraAstyanaxImpl(ctx.container().configuration().infrastructure());
 		logger.debug("Connection to cassandra created");
 	}
-	
+
 	/**
 	 * Returns the object to query the cassandra cluster.
+	 * 
 	 * @return connection pool to cassandra cluster
 	 */
-	public DatabookStore getDatabookStore(){
+	public DatabookStore getDatabookStore() {
-		
+
 		return store;
-		
+
 	}
-	
+
 	/**
 	 * Get the instance
+	 * 
 	 * @return
 	 */
-	public static CassandraConnection getInstance(){
+	public static CassandraConnection getInstance() {
-	
+
 		return singleton;
-		
+
 	}
 
 }

src/main/java/org/gcube/portal/social/networking/ws/utils/ElasticSearchConnection.java

@@ -8,6 +8,7 @@ import org.slf4j.LoggerFactory;
 
 /**
  * The class discovers and offer connections to the elastic search cluster.
+ * 
  * @author Costantino Perciante at ISTI-CNR (costantino.perciante@isti.cnr.it)
  */
 public class ElasticSearchConnection {
@@ -16,12 +17,12 @@ public class ElasticSearchConnection {
 	private static final org.slf4j.Logger logger = LoggerFactory.getLogger(ElasticSearchConnection.class);
 
 	// databook store (singleton)
-	private ElasticSearchClient es; 
+	private ElasticSearchClient es;
 
 	// singleton
 	private static ElasticSearchConnection singleton = new ElasticSearchConnection();
 
-	private ElasticSearchConnection(){
+	private ElasticSearchConnection() {
 		try {
 			ApplicationContext ctx = ContextProvider.get(); // get this info from SmartGears
 			logger.debug("Creating connection to Elasticsearch");
@@ -32,7 +33,7 @@ public class ElasticSearchConnection {
 		}
 	}
 
-	public static ElasticSearchConnection getSingleton(){
+	public static ElasticSearchConnection getSingleton() {
 
 		return singleton;
 
@@ -40,10 +41,11 @@ public class ElasticSearchConnection {
 
 	/**
 	 * Returns the object to connect to cassandra cluster.
+	 * 
 	 * @return connection pool to cassandra cluster
-	 * @throws Exception 
+	 * @throws Exception
 	 */
-	public ElasticSearchClient getElasticSearchClient(){
+	public ElasticSearchClient getElasticSearchClient() {
 
 		return es;
 

src/main/java/org/gcube/portal/social/networking/ws/utils/ErrorMessages.java

@@ -1,8 +1,8 @@
 package org.gcube.portal.social.networking.ws.utils;
 
-
 /**
  * Class that contains error messages to be returned in the HTTP responses.
+ * 
  * @author Costantino Perciante at ISTI-CNR
  */
 public class ErrorMessages {
@@ -11,7 +11,7 @@ public class ErrorMessages {
 	public static final String MISSING_PARAMETERS = "Missing request parameters.";
 	public static final String INVALID_TOKEN = "Invalid token.";
 	public static final String TOKEN_GENERATION_APP_FAILED = "Token generation failed.";
-	public static final String NOT_APP_TOKEN  = "Invalid token: not belonging to an application.";
+	public static final String NOT_APP_TOKEN = "Invalid token: not belonging to an application.";
 	public static final String NOT_APP_ID = "Invalid application id: it doesn't belong to an application.";
 	public static final String NO_APP_PROFILE_FOUND = "There is no application profile for this app id/scope.";
 	public static final String BAD_REQUEST = "Please check the parameter you passed, it seems a bad request";

src/main/java/org/gcube/portal/social/networking/ws/utils/Filters.java

@@ -18,6 +18,7 @@ import org.slf4j.LoggerFactory;
 
 /**
  * Filters to apply to feeds/comments etc
+ * 
  * @author Costantino Perciante at ISTI-CNR (costantino.perciante@isti.cnr.it)
  */
 public class Filters {
@@ -25,39 +26,41 @@ public class Filters {
 	// Logger
 	private static final org.slf4j.Logger logger = LoggerFactory.getLogger(Filters.class);
 
-	private static List<String> getContexts(String context) throws IllegalArgumentException, UserManagementSystemException, GroupRetrievalFault{
+	private static List<String> getContexts(String context)
-		
+			throws IllegalArgumentException, UserManagementSystemException, GroupRetrievalFault {
+
 		// retrieve group information
 		GroupManager gm = GroupManagerWSBuilder.getInstance().getGroupManager();
 		GCubeGroup group = gm.getGroup(gm.getGroupIdFromInfrastructureScope(context));
 
 		List<String> contexts = new ArrayList<String>();
 
-		if(gm.isRootVO(group.getGroupId())){
+		if (gm.isRootVO(group.getGroupId())) {
-			
+
-		}
+		} else if (gm.isVO(group.getGroupId())) {
-		else if(gm.isVO(group.getGroupId())){
 
 			List<GCubeGroup> vres = group.getChildren();
 			for (GCubeGroup gCubeGroup : vres) {
 				contexts.add(gm.getInfrastructureScope(gCubeGroup.getGroupId()));
 			}
 
-		}else{
+		} else {
 			contexts.add(gm.getInfrastructureScope(group.getGroupId()));
 		}
-		
+
 		return contexts;
 	}
-	
+
 	/**
-	 * Given a list of not filtered feeds, the methods remove feeds unaccessible in this scope.
+	 * Given a list of not filtered feeds, the methods remove feeds unaccessible in
+	 * this scope.
 	 * If the initial context is the root: all feeds are returned;
 	 * If the initial context is a VO: feeds for vres within the vo are returned;
 	 * If the initial context is a vre: feeds of the vre are returned;
+	 * 
 	 * @param feedsIds
 	 * @param context
-	 * @throws Exception 
+	 * @throws Exception
 	 */
 	public static void filterFeedsPerContextById(
 			List<String> feedsIds, String context) throws Exception {
@@ -66,10 +69,10 @@ public class Filters {
 		List<Feed> feeds = new ArrayList<Feed>();
 
 		for (String feedId : feedsIds) {
-			try{
+			try {
 				feeds.add(datastore.readFeed(feedId));
-			}catch(Exception e){
+			} catch (Exception e) {
-				logger.error("Unable to read feed with id " + feedId, e);	
+				logger.error("Unable to read feed with id " + feedId, e);
 			}
 		}
 
@@ -85,45 +88,50 @@ public class Filters {
 	}
 
 	/**
-	 * Given a list of not filtered feeds, the methods remove feeds unaccessible in this scope.
+	 * Given a list of not filtered feeds, the methods remove feeds unaccessible in
+	 * this scope.
 	 * If the initial context is the root: all feeds are returned;
 	 * If the initial context is a VO: feeds for vres within the vo are returned;
 	 * If the initial context is a vre: feeds of the vre are returned;
+	 * 
 	 * @param feeds
 	 * @param context
-	 * @throws Exception 
+	 * @throws Exception
 	 */
 	@Deprecated
 	public static void filterFeedsPerContext(List<Feed> feeds, String context) throws Exception {
 
 		List<String> contexts = getContexts(context);
-		
+
 		// filter
 		Iterator<Feed> iterator = feeds.iterator();
 		while (iterator.hasNext()) {
 			Feed feed = (Feed) iterator.next();
-			if(!contexts.contains(feed.getVreid()))
+			if (!contexts.contains(feed.getVreid()))
 				iterator.remove();
 		}
 
 	}
+
 	/**
-	 * Given a list of not filtered posts, the methods remove posts unaccessible in this scope.
+	 * Given a list of not filtered posts, the methods remove posts unaccessible in
+	 * this scope.
 	 * If the initial context is the root: all posts are returned;
 	 * If the initial context is a VO: posts for vres within the vo are returned;
 	 * If the initial context is a vre: posts of the vre are returned;
+	 * 
 	 * @param context
-	 * @throws Exception 
+	 * @throws Exception
 	 */
 	public static void filterPostsPerContext(List<Post> posts, String context) throws Exception {
 
 		List<String> contexts = getContexts(context);
-		
+
 		// filter
 		Iterator<Post> iterator = posts.iterator();
 		while (iterator.hasNext()) {
 			Post post = (Post) iterator.next();
-			if(!contexts.contains(post.getVreid()))
+			if (!contexts.contains(post.getVreid()))
 				iterator.remove();
 		}
 
@@ -131,9 +139,10 @@ public class Filters {
 
 	/**
 	 * Filter comments per context
+	 * 
 	 * @param comments
 	 * @param context
-	 * @throws Exception 
+	 * @throws Exception
 	 */
 	public static void filterCommentsPerContext(List<Comment> comments, String context) throws Exception {
 
@@ -145,12 +154,12 @@ public class Filters {
 		// filter
 		Iterator<Comment> iterator = comments.iterator();
 		while (iterator.hasNext()) {
-			try{
+			try {
 				Comment comment = (Comment) iterator.next();
 				Feed parent = datastore.readFeed(comment.getFeedid());
-				if(!contexts.contains(parent.getVreid()))
+				if (!contexts.contains(parent.getVreid()))
 					iterator.remove();
-			}catch(Exception e){
+			} catch (Exception e) {
 				logger.warn("Failed to analyze this comment", e);
 				iterator.remove(); // remove it anyway
 			}
@@ -159,29 +168,31 @@ public class Filters {
 	}
 
 	/**
-	 * Depending on the type of object provided (e.g. Feed, Comment etc), some information are removed
+	 * Depending on the type of object provided (e.g. Feed, Comment etc), some
+	 * information are removed
+	 * 
 	 * @param toClear
 	 * @throws Exception
 	 */
-	public static <T> void hideSensitiveInformation(List<T> toClear, String usernameCaller){
+	public static <T> void hideSensitiveInformation(List<T> toClear, String usernameCaller) {
 
-		if(toClear == null || toClear.isEmpty() || usernameCaller == null || usernameCaller.isEmpty())
+		if (toClear == null || toClear.isEmpty() || usernameCaller == null || usernameCaller.isEmpty())
 			return;
-		else{
+		else {
 
 			// for feeds
-			if(toClear.get(0).getClass().equals(Feed.class)){
+			if (toClear.get(0).getClass().equals(Feed.class)) {
 
 				for (T feed : toClear) {
-					Feed feeded = ((Feed)feed);
+					Feed feeded = ((Feed) feed);
-					if(!usernameCaller.equals(feeded.getEntityId()))
+					if (!usernameCaller.equals(feeded.getEntityId()))
 						feeded.setEmail(""); // remove the email field
 				}
 
-			}else if(toClear.get(0).getClass().equals(EnhancedFeed.class)){
+			} else if (toClear.get(0).getClass().equals(EnhancedFeed.class)) {
 				for (T enhancedFeed : toClear) {
-					Feed feeded = ((EnhancedFeed)enhancedFeed).getFeed();
+					Feed feeded = ((EnhancedFeed) enhancedFeed).getFeed();
-					if(!usernameCaller.equals(feeded.getEntityId()))
+					if (!usernameCaller.equals(feeded.getEntityId()))
 						feeded.setEmail(""); // remove the email field
 				}
 			}

src/main/java/org/gcube/portal/social/networking/ws/utils/SocialUtils.java

@@ -69,7 +69,7 @@ public class SocialUtils {
 	private static final org.slf4j.Logger logger = LoggerFactory.getLogger(SocialUtils.class);
 
 	public final static String NO_TEXT_FILE_SHARE = "_N0_73X7_SH4R3_";
-	public final static int CACHING_TIME_TO_EXPIRATION = 2506000;//29 days 6 minutes 40 seconds 
+	public final static int CACHING_TIME_TO_EXPIRATION = 2506000;// 29 days 6 minutes 40 seconds
 	public final static String DISABLED_USERS_NOTIFICATIONS_NAMESPACE = "dun:";
 
 	// name of the portlet for vre notification
@@ -81,18 +81,18 @@ public class SocialUtils {
 	 * @return a list of existing usernames associated with their fullnames
 	 */
 	private static ArrayList<GenericItemBean> getUsersFromUsernames(Set<String> mentions) {
-		if (mentions.isEmpty()) 
+		if (mentions.isEmpty())
 			return new ArrayList<>();
 		ArrayList<GenericItemBean> toReturn = new ArrayList<>();
 		UserManager uManager = UserManagerWSBuilder.getInstance().getUserManager();
 		for (String username : mentions) {
-			try{				
+			try {
 				GCubeUser user = uManager.getUserByUsername(username);
 				String fullName = user.getFirstName() + " " + user.getLastName();
-				toReturn.add(new GenericItemBean(""+user.getUserId(), username, fullName, ""));
+				toReturn.add(new GenericItemBean("" + user.getUserId(), username, fullName, ""));
-			}catch(Exception e){
+			} catch (Exception e) {
 				logger.error("Unable to get user informations for username=" + username);
-			}			
+			}
 		}
 		return toReturn;
 	}
@@ -108,6 +108,7 @@ public class SocialUtils {
 
 	/**
 	 * Method used when an application needs to publish something.
+	 * 
 	 * @param postText
 	 * @param uriParams
 	 * @param previewTitle
@@ -116,15 +117,14 @@ public class SocialUtils {
 	 * @return true upon success, false on failure
 	 */
 	public static Post shareApplicationUpdate(
-			String postText, 
+			String postText,
-			String uriParams, 
+			String uriParams,
-			String previewTitle, 
+			String previewTitle,
-			String previewDescription, 
+			String previewDescription,
 			String httpImageUrl,
 			ApplicationProfile applicationProfile,
 			Caller caller,
-			boolean notifyGroup
+			boolean notifyGroup) {
-			){
 
 		SocialMessageParser messageParser = new SocialMessageParser(postText);
 		String escapedPostText = messageParser.getParsedMessage();
@@ -132,60 +132,63 @@ public class SocialUtils {
 		ArrayList<GenericItemBean> mentionedUsers = getUsersFromUsernames(Utils.getMentionedUsernames(postText));
 		ArrayList<ItemBean> mentionedUsersToConvertInHTML = convertToItemBean(mentionedUsers);
 
-		SocialNetworkingSite site = SocialNetworkingSiteFinder.getSocialNetworkingSiteFromScope(ScopeProvider.instance.get());
+		SocialNetworkingSite site = SocialNetworkingSiteFinder
+				.getSocialNetworkingSiteFromScope(ScopeProvider.instance.get());
 
-		escapedPostText = Utils.convertMentionUsernamesAnchorHTML(escapedPostText, mentionedUsersToConvertInHTML, site.getSiteURL(), site.getSiteLandingPagePath());
+		escapedPostText = Utils.convertMentionUsernamesAnchorHTML(escapedPostText, mentionedUsersToConvertInHTML,
+				site.getSiteURL(), site.getSiteLandingPagePath());
 		logger.debug("*** Escaped post text is " + escapedPostText);
 
 		String scope = ScopeProvider.instance.get();
-		String appId = caller.getClient().getId();		
+		String appId = caller.getClient().getId();
 
-		Post toWrite = 
+		Post toWrite = buildPost(
-				buildPost(
+				escapedPostText,
-						escapedPostText, 
+				uriParams == null ? "" : uriParams,
-						uriParams == null ? "" : uriParams, 
+				previewTitle == null ? "" : previewTitle,
-								previewTitle == null ? "" : previewTitle, 
+				previewDescription == null ? "" : previewDescription,
-										previewDescription == null ? "" : previewDescription, 
+				httpImageUrl == null ? "" : httpImageUrl,
-												httpImageUrl == null ? "" : httpImageUrl, 
+				applicationProfile,
-														applicationProfile, 
+				scope);
-														scope);
 
 		// try to save it
 		boolean res = CassandraConnection.getInstance().getDatabookStore().saveAppPost(toWrite);
 
-		if(res){
+		if (res) {
 			logger.debug("Feed correctly written by application " + appId);
 
 			// wait a bit before saving hashtags
-			if(hashtags != null && !hashtags.isEmpty())
+			if (hashtags != null && !hashtags.isEmpty())
-				new Thread(()->{
+				new Thread(() -> {
 					try {
 						Thread.sleep(1000);
-						CassandraConnection.getInstance().getDatabookStore().saveHashTags(toWrite.getKey(), scope, hashtags);
+						CassandraConnection.getInstance().getDatabookStore().saveHashTags(toWrite.getKey(), scope,
+								hashtags);
 					} catch (Exception e1) {
 						logger.error("Failed to save hashtags in Cassandra", e1);
 					}
 				}).start();
 
+			// build the notification manager
 
-			//  build the notification manager
+			SocialNetworkingUser user = new SocialNetworkingUser(appId, "", applicationProfile.getName(),
-
+					applicationProfile.getImageUrl());
-			SocialNetworkingUser user = new SocialNetworkingUser(appId, "", applicationProfile.getName(), applicationProfile.getImageUrl());
 			NotificationsManager nm = new ApplicationNotificationsManager(
 					UserManagerWSBuilder.getInstance().getUserManager(),
-					site, 
+					site,
-					scope, 
+					scope,
-					user, 
+					user,
 					NEWS_FEED_PORTLET_CLASSNAME);
 
 			if (!mentionedUsers.isEmpty())
-				new Thread(new MentionNotificationsThread(toWrite.getKey(), toWrite.getDescription(), nm, null, mentionedUsers)).start();
+				new Thread(new MentionNotificationsThread(toWrite.getKey(), toWrite.getDescription(), nm, null,
+						mentionedUsers)).start();
 
-			if(notifyGroup){
+			if (notifyGroup) {
 
 				logger.debug("Sending notifications for " + appId + " " + scope);
 
-				try{
+				try {
 
 					String name = new ScopeBean(scope).name(); // scope such as devVRE
 
@@ -193,28 +196,26 @@ public class SocialUtils {
 					GroupManager gManager = GroupManagerWSBuilder.getInstance().getGroupManager();
 
 					long groupId = gManager.getGroupId(name);
-					String groupName =  gManager.getGroup(groupId).getGroupName();
+					String groupName = gManager.getGroup(groupId).getGroupName();
 
 					logger.debug("Company id and name " + groupId + " " + groupName);
 
 					// start notification thread
 					new Thread(new PostNotificationsThread(
 							UserManagerWSBuilder.getInstance().getUserManager(),
-							toWrite.getKey(), 
+							toWrite.getKey(),
-							toWrite.getDescription(), 
+							toWrite.getDescription(),
-							""+groupId, 
+							"" + groupId,
-							nm, 
+							nm,
 							new HashSet<String>(hashtags),
-							new HashSet<String>())
+							new HashSet<String>())).start();
-							).start();
+				} catch (Exception e) {
-				}catch (Exception e) {
 					logger.debug("Feed succesfully created but unable to send notifications.");
 				}
 
 			}
 			return toWrite;
-		}
+		} else
-		else
 			return null;
 
 	}
@@ -222,82 +223,88 @@ public class SocialUtils {
 	/**
 	 * Build an ApplicationProfile Feed.
 	 * 
-	 * @param description add a description for the update you are sharing
+	 * @param description         add a description for the update you are sharing
-	 * @param uriParams the additional parameters your applicationProfile needs to open the subject of this update  e.g. id=12345&type=foo
+	 * @param uriParams           the additional parameters your applicationProfile
-	 * @param previewTitle the title to show in the preview
+	 *                            needs to open the subject of this update e.g.
-	 * @param previewDescription the description to show in the preview
+	 *                            id=12345&type=foo
+	 * @param previewTitle        the title to show in the preview
+	 * @param previewDescription  the description to show in the preview
 	 * @param previewThumbnailUrl the image url to show in the preview
 	 * @return a feed instance ready to be written
 	 */
 	private static Post buildPost(
-			String description, 
+			String description,
-			String uriParams, 
+			String uriParams,
-			String previewTitle, 
+			String previewTitle,
-			String previewDescription, 
+			String previewDescription,
 			String previewThumbnailUrl,
 			ApplicationProfile applicationProfile,
 			String scopeApp) {
 
 		String uri = applicationProfile.getUrl();
 
-		//add the GET params if necessary
+		// add the GET params if necessary
 		if (uriParams != null && uriParams.compareTo("") != 0)
-			uri += "?"+uriParams;		
+			uri += "?" + uriParams;
 
-		Post toReturn = new Post( 
+		Post toReturn = new Post(
-				UUID.randomUUID().toString(), 
+				UUID.randomUUID().toString(),
-				PostType.PUBLISH, 
+				PostType.PUBLISH,
-				applicationProfile.getKey(), 
+				applicationProfile.getKey(),
-				new Date(), 
+				new Date(),
-				scopeApp, 
+				scopeApp,
-				uri, 
+				uri,
-				previewThumbnailUrl, 
+				previewThumbnailUrl,
-				description, 
+				description,
-				PrivacyLevel.SINGLE_VRE, 
+				PrivacyLevel.SINGLE_VRE,
-				applicationProfile.getName(), 
+				applicationProfile.getName(),
-				"no-email", 
+				"no-email",
-				applicationProfile.getImageUrl(), 
+				applicationProfile.getImageUrl(),
-				previewTitle, 
+				previewTitle,
-				previewDescription, 
+				previewDescription,
-				"", 
+				"",
 				true);
 
 		return toReturn;
-	}	
+	}
 
 	/**
-	 * This method looks up the applicationProfile profile among the ones available in the infrastructure
+	 * This method looks up the applicationProfile profile among the ones available
-	 * @param idApp as identifier of your application (as reported in the ApplicationProfile)
+	 * in the infrastructure
+	 * 
+	 * @param idApp    as identifier of your application (as reported in the
+	 *                 ApplicationProfile)
 	 * @param scopeApp the scope of the application
 	 */
 	public static ApplicationProfile getProfileFromInfrastrucure(String idApp, String scopeApp) {
-		ScopeBean scope =  new ScopeBean(scopeApp);
+		ScopeBean scope = new ScopeBean(scopeApp);
 
-		logger.debug("Trying to fetch applicationProfile profile from the infrastructure for " + idApp + " scope: " +  scope);
+		logger.debug(
+				"Trying to fetch applicationProfile profile from the infrastructure for " + idApp + " scope: " + scope);
 
 		// set the scope of the root infrastructure
 		String rootInfrastructure = scopeApp.split("/")[1];
-		ScopeProvider.instance.set("/"+rootInfrastructure);
+		ScopeProvider.instance.set("/" + rootInfrastructure);
 
 		try {
 
 			ApplicationProfile toReturn = new ApplicationProfile();
 			Query q = new QueryBox("for $profile in collection('/db/Profiles/GenericResource')//Resource " +
-					"where $profile/Profile/SecondaryType/string() eq 'ApplicationProfile' and  $profile/Profile/Body/AppId/string() " +
+					"where $profile/Profile/SecondaryType/string() eq 'ApplicationProfile' and  $profile/Profile/Body/AppId/string() "
+					+
 					" eq '" + idApp + "'" +
 					"return $profile");
 
-
 			DiscoveryClient<String> client = client();
 			List<String> appProfile = client.submit(q);
 
-			if (appProfile == null || appProfile.size() == 0) 
+			if (appProfile == null || appProfile.size() == 0)
 				throw new Exception("Your applicationProfile is not registered in the infrastructure");
 
 			else {
 
 				String elem = appProfile.get(0);
-				DocumentBuilder docBuilder =  DocumentBuilderFactory.newInstance().newDocumentBuilder();
+				DocumentBuilder docBuilder = DocumentBuilderFactory.newInstance().newDocumentBuilder();
 				Node node = docBuilder.parse(new InputSource(new StringReader(elem))).getDocumentElement();
 				XPathHelper helper = new XPathHelper(node);
 
@@ -307,16 +314,17 @@ public class SocialUtils {
 
 					toReturn.setName(currValue.get(0));
 
-				} 
+				} else
-				else throw new ApplicationProfileNotFoundException("Your applicationProfile NAME was not found in the profile");
+					throw new ApplicationProfileNotFoundException(
+							"Your applicationProfile NAME was not found in the profile");
 
 				currValue = helper.evaluate("/Resource/Profile/Description/text()");
 				if (currValue != null && currValue.size() > 0) {
 
 					toReturn.setDescription(currValue.get(0));
 
-				} 
+				} else
-				else logger.warn("No Description exists for " + toReturn.getName());
+					logger.warn("No Description exists for " + toReturn.getName());
 
 				currValue = helper.evaluate("/Resource/Profile/Body/AppId/text()");
 
@@ -324,35 +332,41 @@ public class SocialUtils {
 
 					toReturn.setKey(currValue.get(0));
 
-				}
+				} else
-				else throw new ApplicationProfileNotFoundException("Your applicationProfile ID n was not found in the profile, consider adding <AppId> element in <Body>");
+					throw new ApplicationProfileNotFoundException(
+							"Your applicationProfile ID n was not found in the profile, consider adding <AppId> element in <Body>");
 
 				currValue = helper.evaluate("/Resource/Profile/Body/ThumbnailURL/text()");
 				if (currValue != null && currValue.size() > 0) {
 
 					toReturn.setImageUrl(currValue.get(0));
 
-				}
+				} else
-				else throw new Exception("Your applicationProfile Image Url was not found in the profile, consider adding <ThumbnailURL> element in <Body>");
+					throw new Exception(
+							"Your applicationProfile Image Url was not found in the profile, consider adding <ThumbnailURL> element in <Body>");
 				currValue = helper.evaluate("/Resource/Profile/Body/EndPoint/Scope/text()");
 				if (currValue != null && currValue.size() > 0) {
 
 					List<String> scopes = currValue;
 					boolean foundUrl = false;
 					for (int i = 0; i < scopes.size(); i++) {
-						if (currValue.get(i).trim().compareTo(scope.toString()) == 0) {								
+						if (currValue.get(i).trim().compareTo(scope.toString()) == 0) {
 							toReturn.setUrl(helper.evaluate("/Resource/Profile/Body/EndPoint/URL/text()").get(i));
 							toReturn.setScope(scope.toString());
 							foundUrl = true;
 							break;
-						}						
+						}
 					}
 
-					if (! foundUrl)
+					if (!foundUrl)
-						throw new ApplicationProfileNotFoundException("Your applicationProfile URL was not found in the profile for Scope: " + scope.toString());
+						throw new ApplicationProfileNotFoundException(
+								"Your applicationProfile URL was not found in the profile for Scope: "
+										+ scope.toString());
 				}
 
-				else throw new ApplicationProfileNotFoundException("Your applicationProfile EndPoint was not found in the profile, consider adding <EndPoint><Scope> element in <Body>");
+				else
+					throw new ApplicationProfileNotFoundException(
+							"Your applicationProfile EndPoint was not found in the profile, consider adding <EndPoint><Scope> element in <Body>");
 				logger.debug("Returning " + toReturn);
 				return toReturn;
 			}
@@ -361,7 +375,7 @@ public class SocialUtils {
 
 			logger.error("Error while trying to fetch applicationProfile profile from the infrastructure", e);
 
-		} finally{
+		} finally {
 
 			// set the scope back
 			ScopeProvider.instance.set(scopeApp);
@@ -374,6 +388,7 @@ public class SocialUtils {
 
 	/**
 	 * Allows user to post a feed in a certain vre.
+	 * 
 	 * @param userId
 	 * @param postText
 	 * @param vreId
@@ -388,24 +403,26 @@ public class SocialUtils {
 	public static Post shareUserUpdate(
 			String userId,
 			String postText,
-			String vreId, 
+			String vreId,
-			String previewTitle, 
+			String previewTitle,
-			String previewDescription, 
+			String previewDescription,
 			String previewHost,
 			String previewUrl,
-			String urlThumbnail, 
+			String urlThumbnail,
 			boolean notifyGroup) {
 
 		SocialMessageParser messageParser = new SocialMessageParser(postText);
 		String escapedPostText = messageParser.getParsedMessage();
 		List<String> hashtags = messageParser.getHashtags();
-		//check if any mention exists
+		// check if any mention exists
 		ArrayList<GenericItemBean> mentionedUsers = getUsersFromUsernames(Utils.getMentionedUsernames(postText));
 		ArrayList<ItemBean> mentionedUsersToConvertInHTML = convertToItemBean(mentionedUsers);
 
-		SocialNetworkingSite site = SocialNetworkingSiteFinder.getSocialNetworkingSiteFromScope(ScopeProvider.instance.get());
+		SocialNetworkingSite site = SocialNetworkingSiteFinder
+				.getSocialNetworkingSiteFromScope(ScopeProvider.instance.get());
 
-		escapedPostText = Utils.convertMentionUsernamesAnchorHTML(escapedPostText, mentionedUsersToConvertInHTML, site.getSiteURL(), site.getSiteLandingPagePath());
+		escapedPostText = Utils.convertMentionUsernamesAnchorHTML(escapedPostText, mentionedUsersToConvertInHTML,
+				site.getSiteURL(), site.getSiteLandingPagePath());
 
 		GCubeUser user;
 
@@ -413,7 +430,7 @@ public class SocialUtils {
 		UserManager uManager = UserManagerWSBuilder.getInstance().getUserManager();
 		try {
 			user = uManager.getUserByUsername(userId);
-		} catch(Exception e){
+		} catch (Exception e) {
 			logger.error("Unable to get user informations, post write fails.", e);
 			return null;
 		}
@@ -428,7 +445,7 @@ public class SocialUtils {
 		if (urlThumbnail == null)
 			urlThumbnail = "null";
 
-		//this means the user has shared a file without text in it.
+		// this means the user has shared a file without text in it.
 		String textToPost = "";
 		if (escapedPostText.trim().compareTo(NO_TEXT_FILE_SHARE) == 0) {
 			textToPost = org.gcube.social_networking.socialutillibrary.Utils.convertFileNameAnchorHTML(url);
@@ -437,23 +454,25 @@ public class SocialUtils {
 		}
 
 		Post toShare = new Post(UUID.randomUUID().toString(), PostType.PUBLISH, userId, new Date(),
-				vreId, url, urlThumbnail, textToPost, PrivacyLevel.SINGLE_VRE, fullName, email, thumbnailURL, linkTitle, linkDesc, host);
+				vreId, url, urlThumbnail, textToPost, PrivacyLevel.SINGLE_VRE, fullName, email, thumbnailURL, linkTitle,
+				linkDesc, host);
 
-		logger.debug("Attempting to save Post with text: " + textToPost + " Level = " + PrivacyLevel.SINGLE_VRE + " Timeline = " + vreId);
+		logger.debug("Attempting to save Post with text: " + textToPost + " Level = " + PrivacyLevel.SINGLE_VRE
+				+ " Timeline = " + vreId);
 
 		boolean result = CassandraConnection.getInstance().getDatabookStore().saveUserPost(toShare);
 
-		if(vreId != null && vreId.compareTo("") != 0 && result) {
+		if (vreId != null && vreId.compareTo("") != 0 && result) {
 
 			logger.trace("Attempting to write onto " + vreId);
 
 			try {
 
-				try{
+				try {
 					logger.debug("Sleeping waiting for cassandra's update");
 					Thread.sleep(1000);
 
-				}catch(Exception e){
+				} catch (Exception e) {
 
 					logger.error(e.toString());
 
@@ -461,27 +480,31 @@ public class SocialUtils {
 				CassandraConnection.getInstance().getDatabookStore().saveFeedToVRETimeline(toShare.getKey(), vreId);
 
 				if (hashtags != null && !hashtags.isEmpty())
-					CassandraConnection.getInstance().getDatabookStore().saveHashTags(toShare.getKey(), vreId, hashtags);
+					CassandraConnection.getInstance().getDatabookStore().saveHashTags(toShare.getKey(), vreId,
+							hashtags);
 
 			} catch (FeedIDNotFoundException e) {
 				logger.error("Error writing onto VRES Time Line" + vreId);
-			}  
+			}
-			logger.trace("Success writing onto " + vreId);				
+			logger.trace("Success writing onto " + vreId);
 		}
 
-		if (!result) 
+		if (!result)
 			return null;
 
-		SocialNetworkingUser socialUser = 
+		SocialNetworkingUser socialUser = new SocialNetworkingUser(userId, email, fullName, thumbnailURL);
-				new SocialNetworkingUser(userId, email, fullName, thumbnailURL);
+		NotificationsManager nm = new ApplicationNotificationsManager(
-		NotificationsManager nm = new ApplicationNotificationsManager(UserManagerWSBuilder.getInstance().getUserManager(), site, vreId, socialUser, NEWS_FEED_PORTLET_CLASSNAME);
+				UserManagerWSBuilder.getInstance().getUserManager(), site, vreId, socialUser,
+				NEWS_FEED_PORTLET_CLASSNAME);
 		if (!mentionedUsers.isEmpty())
-			new Thread(new MentionNotificationsThread(toShare.getKey(), toShare.getDescription(), nm, null, mentionedUsers)).start();
+			new Thread(new MentionNotificationsThread(toShare.getKey(), toShare.getDescription(), nm, null,
+					mentionedUsers)).start();
 
-		//send the notification about this posts to everyone in the group if notifyGroup is true
+		// send the notification about this posts to everyone in the group if
+		// notifyGroup is true
 		if (vreId != null && vreId.compareTo("") != 0 && notifyGroup) {
 
-			try{		
+			try {
 				// retrieve group information
 				GroupManager gManager = GroupManagerWSBuilder.getInstance().getGroupManager();
 				// handle the scope
@@ -493,51 +516,56 @@ public class SocialUtils {
 				new Thread(
 						new PostNotificationsThread(
 								UserManagerWSBuilder.getInstance().getUserManager(),
-								toShare.getKey(), 
+								toShare.getKey(),
-								toShare.getDescription(), 
+								toShare.getDescription(),
-								""+groupId, 
+								"" + groupId,
-								nm, 
+								nm,
 								new HashSet<String>(),
-								new HashSet<String>(hashtags))
+								new HashSet<String>(hashtags)))
-						).start();
+						.start();
 
 				logger.debug("Start sending notifications for post written by " + userId);
-			}catch(Exception e){
+			} catch (Exception e) {
 				logger.error("Unable to notify users", e);
 			}
 		}
 		return toShare;
 	}
+
 	/**
 	 * Allows to comment post in a certain vre.
-
+	 * 
-	 * @param userid the username
+	 * @param userid      the username
-	 * @param time the date and time of the comment
+	 * @param time        the date and time of the comment
-	 * @param postId the key of the post that was commented
+	 * @param postId      the key of the post that was commented
 	 * @param commentText the text as it is, it will be parsed
-	 * @param postOwnerId the username of the user who created the post that was commented
+	 * @param postOwnerId the username of the user who created the post that was
-	 * @param context the VRE context
+	 *                    commented
+	 * @param context     the VRE context
 	 * 
 	 * @return the Comment instance if ok, null if somwthign went KO
-	 * @throws FeedIDNotFoundException 
+	 * @throws FeedIDNotFoundException
 	 */
-	public static Comment commentPost(String userid, Date time, String postId, String commentText, String postOwnerId, String context) throws FeedIDNotFoundException {
+	public static Comment commentPost(String userid, Date time, String postId, String commentText, String postOwnerId,
+			String context) throws FeedIDNotFoundException {
 
 		SocialMessageParser messageParser = new SocialMessageParser(commentText);
 		String escapedCommentText = messageParser.getParsedMessage();
-		//check if any mention exists
+		// check if any mention exists
 		ArrayList<GenericItemBean> mentionedUsers = getUsersFromUsernames(Utils.getMentionedUsernames(commentText));
 		ArrayList<ItemBean> mentionedUsersToConvertInHTML = convertToItemBean(mentionedUsers);
-		SocialNetworkingSite site = SocialNetworkingSiteFinder.getSocialNetworkingSiteFromScope(ScopeProvider.instance.get());
+		SocialNetworkingSite site = SocialNetworkingSiteFinder
+				.getSocialNetworkingSiteFromScope(ScopeProvider.instance.get());
 
-		escapedCommentText = Utils.convertMentionUsernamesAnchorHTML(escapedCommentText, mentionedUsersToConvertInHTML, site.getSiteURL(), site.getSiteLandingPagePath());
+		escapedCommentText = Utils.convertMentionUsernamesAnchorHTML(escapedCommentText, mentionedUsersToConvertInHTML,
+				site.getSiteURL(), site.getSiteLandingPagePath());
 
 		// retrieve user information
 		GCubeUser user;
 		UserManager uManager = UserManagerWSBuilder.getInstance().getUserManager();
 		try {
 			user = uManager.getUserByUsername(userid);
-		} catch(Exception e){
+		} catch (Exception e) {
 			logger.error("Unable to get user informations, comment write fails.", e);
 			return null;
 		}
@@ -546,57 +574,62 @@ public class SocialUtils {
 		String fullName = user.getFirstName() + " " + user.getLastName();
 		String thumbnailURL = user.getUserAvatarURL();
 
-		Comment theComment = new Comment(commentKey, userid, time, postId, escapedCommentText, fullName, thumbnailURL);		
+		Comment theComment = new Comment(commentKey, userid, time, postId, escapedCommentText, fullName, thumbnailURL);
-		logger.debug("Attempting to save Comment with text: " + commentText + " postid="+postId);
+		logger.debug("Attempting to save Comment with text: " + commentText + " postid=" + postId);
 
 		boolean result = CassandraConnection.getInstance().getDatabookStore().addComment(theComment);
-		logger.debug("Added comment? " + theComment.toString() + " Result is " +result);
+		logger.debug("Added comment? " + theComment.toString() + " Result is " + result);
 
-		if (!result) 
+		if (!result)
 			return null;
 
-		//if the comment was correctly delivered notify users involved
+		// if the comment was correctly delivered notify users involved
 		SocialNetworkingUser socialUser = new SocialNetworkingUser(userid, email, fullName, thumbnailURL);
 
-		NotificationsManager nm = new ApplicationNotificationsManager(uManager, site, context, socialUser, NEWS_FEED_PORTLET_CLASSNAME);
+		NotificationsManager nm = new ApplicationNotificationsManager(uManager, site, context, socialUser,
+				NEWS_FEED_PORTLET_CLASSNAME);
 
-		//if the user who commented this post is not the user who posted it notify the poster user (Post owner) 
+		// if the user who commented this post is not the user who posted it notify the
+		// poster user (Post owner)
 		logger.debug("The post creator is " + postOwnerId);
-		if (! user.getUsername().equals(postOwnerId)) {	
+		if (!user.getUsername().equals(postOwnerId)) {
-			boolean resultNotifyOwnComment = nm.notifyOwnCommentReply(postOwnerId, postId, escapedCommentText, theComment.getKey());
+			boolean resultNotifyOwnComment = nm.notifyOwnCommentReply(postOwnerId, postId, escapedCommentText,
+					theComment.getKey());
 			logger.debug("Comment Notification to post creator added? " + resultNotifyOwnComment);
-		} 
+		}
-		//if there are users who liked this post they get notified, asynchronously with this thread
+		// if there are users who liked this post they get notified, asynchronously with
+		// this thread
 		ArrayList<Like> likes = getAllLikesByPost(postId);
-		Thread likesThread = new Thread(new LikeNotificationsThread(escapedCommentText, nm, likes, postOwnerId, theComment.getKey()));
+		Thread likesThread = new Thread(
+				new LikeNotificationsThread(escapedCommentText, nm, likes, postOwnerId, theComment.getKey()));
 		likesThread.start();
 
-		//notify the other users who commented this post (excluding the ones above)
+		// notify the other users who commented this post (excluding the ones above)
 		Thread commentsNotificationthread = new Thread(new CommentNotificationsThread(
 				CassandraConnection.getInstance().getDatabookStore(),
-				uManager, user.getUsername(), theComment.getFeedid(), escapedCommentText, nm, postOwnerId,  theComment.getKey(), likes));
+				uManager, user.getUsername(), theComment.getFeedid(), escapedCommentText, nm, postOwnerId,
-		commentsNotificationthread.start();	
+				theComment.getKey(), likes));
+		commentsNotificationthread.start();
 
-		//send the notification to the mentioned users, if any
+		// send the notification to the mentioned users, if any
 		if (mentionedUsers != null && mentionedUsers.size() > 0) {
 			ArrayList<GenericItemBean> toPass = new ArrayList<GenericItemBean>();
 
-
 			// among the mentionedUsers there could be groups of people
 			Map<String, ItemBean> uniqueUsersToNotify = new HashMap<>();
 			UserManager um = new LiferayUserManager();
 
 			for (ItemBean bean : mentionedUsersToConvertInHTML) {
 
-				if(bean.isItemGroup()){
+				if (bean.isItemGroup()) {
 
 					// retrieve the users of this group
 					try {
 						List<GCubeUser> teamUsers = um.listUsersByTeam(Long.parseLong(bean.getId()));
 
 						for (GCubeUser userTeam : teamUsers) {
-							if(!uniqueUsersToNotify.containsKey(userTeam.getUsername()))
+							if (!uniqueUsersToNotify.containsKey(userTeam.getUsername()))
-								uniqueUsersToNotify.put(userTeam.getUsername(), new ItemBean(userTeam.getUserId()+"",
+								uniqueUsersToNotify.put(userTeam.getUsername(), new ItemBean(userTeam.getUserId() + "",
 										userTeam.getUsername(), userTeam.getFullname(), userTeam.getUserAvatarURL()));
 						}
 
@@ -606,9 +639,9 @@ public class SocialUtils {
 						logger.error("Unable to retrieve team information", e);
 					}
 
-				}else{
+				} else {
 					// it is a user, just add to the hashmap
-					if(!uniqueUsersToNotify.containsKey(bean.getName()))
+					if (!uniqueUsersToNotify.containsKey(bean.getName()))
 						uniqueUsersToNotify.put(bean.getName(), bean);
 
 				}
@@ -620,17 +653,20 @@ public class SocialUtils {
 				Map.Entry<String, ItemBean> userEntry = (Map.Entry<String, ItemBean>) userMapIterator
 						.next();
 				ItemBean userBean = userEntry.getValue();
-				toPass.add(new GenericItemBean(userBean.getId(), userBean.getName(), userBean.getAlternativeName(), userBean.getThumbnailURL()));
+				toPass.add(new GenericItemBean(userBean.getId(), userBean.getName(), userBean.getAlternativeName(),
+						userBean.getThumbnailURL()));
 			}
 
-			Thread thread = new Thread(new MentionNotificationsThread(theComment.getFeedid(), escapedCommentText, nm, null, toPass));
+			Thread thread = new Thread(
+					new MentionNotificationsThread(theComment.getFeedid(), escapedCommentText, nm, null, toPass));
 			thread.start();
 		}
 		return theComment;
 	}
 
 	private static ArrayList<Like> getAllLikesByPost(String postid) {
-		ArrayList<Like> toReturn = (ArrayList<Like>) CassandraConnection.getInstance().getDatabookStore().getAllLikesByPost(postid);
+		ArrayList<Like> toReturn = (ArrayList<Like>) CassandraConnection.getInstance().getDatabookStore()
+				.getAllLikesByPost(postid);
 		logger.debug("Asking likes for " + postid);
 		for (Like like : toReturn) {
 			// retrieve user information
@@ -638,7 +674,7 @@ public class SocialUtils {
 			UserManager uManager = UserManagerWSBuilder.getInstance().getUserManager();
 			try {
 				user = uManager.getUserByUsername(like.getUserid());
-			} catch(Exception e){
+			} catch (Exception e) {
 				logger.error("Unable to get user informations, comment write fails.", e);
 				return null;
 			}
@@ -656,7 +692,7 @@ public class SocialUtils {
 		UserManager uManager = UserManagerWSBuilder.getInstance().getUserManager();
 		try {
 			user = uManager.getUserByUsername(username);
-		} catch(Exception e){
+		} catch (Exception e) {
 			logger.error("Unable to get user informations, like write fails.", e);
 			return false;
 		}
@@ -664,40 +700,44 @@ public class SocialUtils {
 		String fullName = user.getFirstName() + " " + user.getLastName();
 		String thumbnailURL = user.getUserAvatarURL();
 		SocialNetworkingUser socialUser = new SocialNetworkingUser(user.getUsername(), email, fullName, thumbnailURL);
-	
+
-		Like toLike = new Like(UUID.randomUUID().toString(), user.getUsername(), 
+		Like toLike = new Like(UUID.randomUUID().toString(), user.getUsername(),
 				new Date(), postid, user.getFullname(), user.getUserAvatarURL());
 		Post thePost = null;
 		try {
-			logger.debug("Attempting to read post with id: " +postid);
+			logger.debug("Attempting to read post with id: " + postid);
 			thePost = CassandraConnection.getInstance().getDatabookStore().readPost(postid);
-			likeCommitResult =  CassandraConnection.getInstance().getDatabookStore().like(toLike);
+			likeCommitResult = CassandraConnection.getInstance().getDatabookStore().like(toLike);
 		} catch (Exception e) {
 			logger.error("Post not found for this like ot could not like the post " + e.getMessage());
 			return false;
 		}
-		//if the like was correctly delivered notify the user who made the post
+		// if the like was correctly delivered notify the user who made the post
-		
+
-		boolean resultNotifyLike =false;
+		boolean resultNotifyLike = false;
 		if (likeCommitResult) {
-			SocialNetworkingSite site = SocialNetworkingSiteFinder.getSocialNetworkingSiteFromScope(ScopeProvider.instance.get());
+			SocialNetworkingSite site = SocialNetworkingSiteFinder
-			NotificationsManager nm = new ApplicationNotificationsManager(UserManagerWSBuilder.getInstance().getUserManager(), site, context, socialUser, NEWS_FEED_PORTLET_CLASSNAME);
+					.getSocialNetworkingSiteFromScope(ScopeProvider.instance.get());
-			
+			NotificationsManager nm = new ApplicationNotificationsManager(
+					UserManagerWSBuilder.getInstance().getUserManager(), site, context, socialUser,
+					NEWS_FEED_PORTLET_CLASSNAME);
+
 			String postText = thePost.getDescription();
 			String postOwnerId = thePost.getEntityId();
 			SocialMessageParser messageParser = new SocialMessageParser(postText);
 			String escapedPostText = messageParser.getParsedMessage();
-			
+
-			//if the user who liked this post is not the user who posted it notify the poster user (Post owner) 
+			// if the user who liked this post is not the user who posted it notify the
-			logger.debug("The post creator is " + postOwnerId);			
+			// poster user (Post owner)
-			if (! user.getUsername().equals(postOwnerId)) {	
+			logger.debug("The post creator is " + postOwnerId);
+			if (!user.getUsername().equals(postOwnerId)) {
 				resultNotifyLike = nm.notifyLikedPost(postOwnerId, postid, escapedPostText);
 				logger.debug("Like Notification to post creator added? " + resultNotifyLike);
-			} 				
+			}
 		}
 		return likeCommitResult && resultNotifyLike;
 	}
-	
+
 	public static boolean unlike(String username, String likeid, String postid) {
 		boolean unlikeCommitResult = false;
 		// retrieve user information
@@ -705,20 +745,20 @@ public class SocialUtils {
 		UserManager uManager = UserManagerWSBuilder.getInstance().getUserManager();
 		try {
 			user = uManager.getUserByUsername(username);
-		} catch(Exception e){
+		} catch (Exception e) {
 			logger.error("Unable to get user informations, unlike write fails.", e);
 			return false;
 		}
 		String fullName = user.getFirstName() + " " + user.getLastName();
 		String thumbnailURL = user.getUserAvatarURL();
 		try {
-	
+
-			unlikeCommitResult =  CassandraConnection.getInstance().getDatabookStore().unlike(username, likeid, postid);
+			unlikeCommitResult = CassandraConnection.getInstance().getDatabookStore().unlike(username, likeid, postid);
 		} catch (Exception e) {
 			logger.error("Post not Found for this like ot could not unlike the post " + e.getMessage());
 			return false;
 		}
-		
+
 		return unlikeCommitResult;
 	}
 

src/main/java/org/gcube/portal/social/networking/ws/utils/TokensUtils.java

@@ -4,21 +4,22 @@ import org.gcube.common.authorization.library.ClientType;
 import org.gcube.common.authorization.library.utils.Caller;
 import org.slf4j.LoggerFactory;
 
-
 /**
  * Tokens utils methods
  */
 public class TokensUtils {
-	
+
 	// a user context token (not qualified) has as qualifier the word "TOKEN"
 	private static final String DEFAULT_QUALIFIER_USER_TOKEN = "TOKEN";
 	// Logger
 	private static final org.slf4j.Logger logger = LoggerFactory.getLogger(TokensUtils.class);
+
 	/**
 	 * Check if it is a service token
+	 * 
 	 * @return a boolean value
 	 */
-	public static boolean isServiceToken(Caller caller){
+	public static boolean isServiceToken(Caller caller) {
 
 		return caller.getClient().getType().equals(ClientType.SERVICE);
 
@@ -26,9 +27,10 @@ public class TokensUtils {
 
 	/**
 	 * Check if it is an application token
+	 * 
 	 * @return a boolean value
 	 */
-	public static boolean isApplicationToken(Caller caller){
+	public static boolean isApplicationToken(Caller caller) {
 		String username = caller.getClient().getId();
 		if (username.startsWith("service-account-")) {
 			return true;
@@ -39,9 +41,10 @@ public class TokensUtils {
 
 	/**
 	 * Check if it is a container token
+	 * 
 	 * @return a boolean value
 	 */
-	public static boolean isContainerToken(Caller caller){
+	public static boolean isContainerToken(Caller caller) {
 
 		return caller.getClient().getType().equals(ClientType.CONTAINER);
 
@@ -49,10 +52,12 @@ public class TokensUtils {
 
 	/**
 	 * Check if it is a user token
+	 * 
 	 * @return a boolean value
 	 */
 	public static boolean isUserToken(Caller caller) {
-		logger.debug("\n ****** \n isUserToken: caller.getClient().getType().equals(ClientType.USER) => " + caller.getClient().getType().equals(ClientType.USER));
+		logger.debug("\n ****** \n isUserToken: caller.getClient().getType().equals(ClientType.USER) => "
+				+ caller.getClient().getType().equals(ClientType.USER));
 		String username = caller.getClient().getId();
 		if (username.startsWith("service-account-")) {
 			return false;
@@ -63,19 +68,22 @@ public class TokensUtils {
 
 	/**
 	 * Check if it is a user token (not qualified)
+	 * 
 	 * @return a boolean value
 	 */
-	public static boolean isUserTokenDefault(Caller caller){
+	public static boolean isUserTokenDefault(Caller caller) {
 		return isUserToken(caller);
 	}
 
 	/**
 	 * Check if it is a user token (qualified)
+	 * 
 	 * @return a boolean value
 	 */
-	public static boolean isUserTokenQualified(Caller caller){
+	public static boolean isUserTokenQualified(Caller caller) {
 
-		return caller.getClient().getType().equals(ClientType.USER) && !caller.getTokenQualifier().equals(DEFAULT_QUALIFIER_USER_TOKEN);
+		return caller.getClient().getType().equals(ClientType.USER)
+				&& !caller.getTokenQualifier().equals(DEFAULT_QUALIFIER_USER_TOKEN);
 
 	}
 

src/main/java/org/gcube/portal/social/networking/ws/utils/UserProfileExtendedWithVerifiedEmail.java

@@ -19,7 +19,7 @@ public class UserProfileExtendedWithVerifiedEmail {
 
 	@JsonProperty("name")
 	private String fullname;
-	
+
 	@JsonProperty("middle_name")
 	private String middleName;
 
@@ -188,7 +188,4 @@ public class UserProfileExtendedWithVerifiedEmail {
 		return builder.toString();
 	}
 
-	
-
-	
 }

src/main/webapp/WEB-INF/web.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<web-app xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+<web-app xmlns="http://java.sun.com/xml/ns/javaee"
-	xsi:schemaLocation="http://java.sun.com/xml/ns/javaee 
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-          http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
+	xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
 	version="3.0">
 
 	<display-name>Restful Web Application</display-name>
@@ -39,4 +39,4 @@
 	<welcome-file-list>
 		<welcome-file>index.jsp</welcome-file>
 	</welcome-file-list>
-</web-app>
+</web-app>

src/test/java/org/gcube/portal/test/GcoreEndpointReader.java

@@ -34,36 +34,41 @@ public class GcoreEndpointReader {
 
 		String currentScope = ScopeProvider.instance.get();
 
-		try{
+		try {
 
-			logger.info("set scope "+scope);
+			logger.info("set scope " + scope);
 			ScopeProvider.instance.set(scope);
 
 			SimpleQuery query = queryFor(GCoreEndpoint.class);
-			query.addCondition(String.format("$resource/Profile/ServiceClass/text() eq '%s'",serviceClass));
+			query.addCondition(String.format("$resource/Profile/ServiceClass/text() eq '%s'", serviceClass));
 			query.addCondition("$resource/Profile/DeploymentData/Status/text() eq 'ready'");
-			query.addCondition(String.format("$resource/Profile/ServiceName/text() eq '%s'",serviceName));
+			query.addCondition(String.format("$resource/Profile/ServiceName/text() eq '%s'", serviceName));
-			query.setResult("$resource/Profile/AccessPoint/RunningInstanceInterfaces//Endpoint[@EntryName/string() eq \""+resource+"\"]/text()");
+			query.setResult(
+					"$resource/Profile/AccessPoint/RunningInstanceInterfaces//Endpoint[@EntryName/string() eq \""
+							+ resource + "\"]/text()");
 
-			logger.debug("submitting quey "+query.toString());
+			logger.debug("submitting quey " + query.toString());
 
 			DiscoveryClient<String> client = client();
 			List<String> endpoints = client.submit(query);
-			if (endpoints == null || endpoints.isEmpty()) throw new Exception("Cannot retrieve the GCoreEndpoint serviceName: "+serviceName +", serviceClass: " +serviceClass +", in scope: "+scope);
+			if (endpoints == null || endpoints.isEmpty())
-
+				throw new Exception("Cannot retrieve the GCoreEndpoint serviceName: " + serviceName + ", serviceClass: "
+						+ serviceClass + ", in scope: " + scope);
 
 			this.resourceEntyName = endpoints.get(0);
-			if(resourceEntyName==null)
+			if (resourceEntyName == null)
-				throw new Exception("Endpoint:"+resource+", is null for serviceName: "+serviceName +", serviceClass: " +serviceClass +", in scope: "+scope);
+				throw new Exception("Endpoint:" + resource + ", is null for serviceName: " + serviceName
+						+ ", serviceClass: " + serviceClass + ", in scope: " + scope);
 
-			logger.info("found entyname "+resourceEntyName+" for ckanResource: "+resource);
+			logger.info("found entyname " + resourceEntyName + " for ckanResource: " + resource);
 
-		}catch(Exception e){
+		} catch (Exception e) {
-			String error = "An error occurred during GCoreEndpoint discovery, serviceName: "+serviceName +", serviceClass: " +serviceClass +", in scope: "+scope +".";
+			String error = "An error occurred during GCoreEndpoint discovery, serviceName: " + serviceName
+					+ ", serviceClass: " + serviceClass + ", in scope: " + scope + ".";
 			logger.error(error, e);
 			throw new Exception(error);
-		}finally{
+		} finally {
-			if(currentScope != null)
+			if (currentScope != null)
 				ScopeProvider.instance.set(currentScope);
 		}
 	}

src/test/java/org/gcube/portal/test/ServiceEndPointReaderSocial.java

@@ -16,6 +16,7 @@ import org.slf4j.LoggerFactory;
 
 /**
  * Retrieves the base url of the social-networking service in the scope provided
+ * 
  * @author Costantino Perciante at ISTI-CNR (costantino.perciante@isti.cnr.it)
  */
 public class ServiceEndPointReaderSocial {
@@ -26,23 +27,23 @@ public class ServiceEndPointReaderSocial {
 	private final static String RUNTIME_RESOURCE_NAME = "SocialNetworking";
 	private final static String CATEGORY = "Portal";
 
-	public ServiceEndPointReaderSocial(String context){
+	public ServiceEndPointReaderSocial(String context) {
 
-		if(context == null || context.isEmpty())
+		if (context == null || context.isEmpty())
 			throw new IllegalArgumentException("A valid context is needed to discover the service");
 
-
 		String oldContext = ScopeProvider.instance.get();
 		ScopeProvider.instance.set(context);
 
-		try{
+		try {
 
 			List<ServiceEndpoint> resources = getConfigurationFromIS();
-			if (resources.size() == 0){
+			if (resources.size() == 0) {
-				logger.error("There is no Runtime Resource having name " + RUNTIME_RESOURCE_NAME +" and Category " + CATEGORY + " in this scope.");
+				logger.error("There is no Runtime Resource having name " + RUNTIME_RESOURCE_NAME + " and Category "
-				throw new Exception("There is no Runtime Resource having name " + RUNTIME_RESOURCE_NAME +" and Category " + CATEGORY + " in this scope.");
+						+ CATEGORY + " in this scope.");
-			}
+				throw new Exception("There is no Runtime Resource having name " + RUNTIME_RESOURCE_NAME
-			else {
+						+ " and Category " + CATEGORY + " in this scope.");
+			} else {
 
 				for (ServiceEndpoint res : resources) {
 
@@ -62,13 +63,13 @@ public class ServiceEndPointReaderSocial {
 
 			}
 
-		}catch(Exception e){
+		} catch (Exception e) {
 
 			logger.error("Unable to retrieve such service endpoint information!", e);
 
-		}finally{
+		} finally {
 
-			if(oldContext != null && !oldContext.equals(context))
+			if (oldContext != null && !oldContext.equals(context))
 				ScopeProvider.instance.set(oldContext);
 
 		}
@@ -79,14 +80,15 @@ public class ServiceEndPointReaderSocial {
 
 	/**
 	 * Retrieve endpoints information from IS for DB
+	 * 
 	 * @return list of endpoints for ckan database
 	 * @throws Exception
 	 */
-	private List<ServiceEndpoint> getConfigurationFromIS() throws Exception{
+	private List<ServiceEndpoint> getConfigurationFromIS() throws Exception {
 
 		SimpleQuery query = queryFor(ServiceEndpoint.class);
-		query.addCondition("$resource/Profile/Name/text() eq '"+ RUNTIME_RESOURCE_NAME +"'");
+		query.addCondition("$resource/Profile/Name/text() eq '" + RUNTIME_RESOURCE_NAME + "'");
-		query.addCondition("$resource/Profile/Category/text() eq '"+ CATEGORY +"'");
+		query.addCondition("$resource/Profile/Category/text() eq '" + CATEGORY + "'");
 		DiscoveryClient<ServiceEndpoint> client = clientFor(ServiceEndpoint.class);
 		List<ServiceEndpoint> toReturn = client.submit(query);
 		return toReturn;
@@ -95,6 +97,7 @@ public class ServiceEndPointReaderSocial {
 
 	/**
 	 * Get the base path of the social networking service
+	 * 
 	 * @return
 	 */
 	public String getBasePath() {