ref 8432:TDM - DatabasesManager - Support Java 8 compatibility

https://support.d4science.org/issues/8432

Updated to support Java 8 compatibility

git-svn-id: https://svn.d4science.research-infrastructures.eu/gcube/trunk/portlets/user/databases-manager-portlet@148376 82a268e6-3cf1-43bd-a215-b396298e98cf

.classpath

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry kind="src" output="target/databases-manager-portlet-1.7.0-SNAPSHOT/WEB-INF/classes" path="src/main/java">
+	<classpathentry kind="src" output="target/databases-manager-portlet-1.8.0-SNAPSHOT/WEB-INF/classes" path="src/main/java">
 		<attributes>
 			<attribute name="optional" value="true"/>
 			<attribute name="maven.pomderived" value="true"/>
@@ -20,10 +20,10 @@
 			<attribute name="org.eclipse.jst.component.dependency" value="/WEB-INF/lib"/>
 		</attributes>
 	</classpathentry>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.7">
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8">
 		<attributes>
-			<attribute name="maven.pomderived" value="true"/>
+			<attribute name="owner.project.facets" value="java"/>
 		</attributes>
 	</classpathentry>
-	<classpathentry kind="output" path="target/databases-manager-portlet-1.7.0-SNAPSHOT/WEB-INF/classes"/>
+	<classpathentry kind="output" path="target/databases-manager-portlet-1.8.0-SNAPSHOT/WEB-INF/classes"/>
 </classpath>

.settings/org.eclipse.jdt.core.prefs

@@ -1,12 +1,12 @@
 eclipse.preferences.version=1
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.7
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
 org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
-org.eclipse.jdt.core.compiler.compliance=1.7
+org.eclipse.jdt.core.compiler.compliance=1.8
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate
 org.eclipse.jdt.core.compiler.debug.sourceFile=generate
 org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
 org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
 org.eclipse.jdt.core.compiler.problem.forbiddenReference=warning
-org.eclipse.jdt.core.compiler.source=1.7
+org.eclipse.jdt.core.compiler.source=1.8

.settings/org.eclipse.wst.common.component

@@ -4,6 +4,9 @@
     <wb-resource deploy-path="/" source-path="/src/main/webapp" tag="defaultRootSource"/>
     <wb-resource deploy-path="/WEB-INF/classes" source-path="/src/main/java"/>
         <wb-resource deploy-path="/WEB-INF/classes" source-path="/src/main/resources"/>
+        <dependent-module archiveName="data-miner-manager-cl-1.2.0-SNAPSHOT.jar" deploy-path="/WEB-INF/lib" handle="module:/resource/data-miner-manager-cl/data-miner-manager-cl">
+            <dependency-type>uses</dependency-type>
+        </dependent-module>
     <property name="java-output-path" value="/${module}/target/www/WEB-INF/classes"/>
         <property name="context-root" value="databases-manager-portlet"/>
   </wb-module>

.settings/org.eclipse.wst.common.project.facet.core.xml

@@ -3,5 +3,5 @@
   <fixed facet="wst.jsdt.web"/>
   <installed facet="jst.web" version="3.0"/>
   <installed facet="wst.jsdt.web" version="1.0"/>
-  <installed facet="java" version="1.7"/>
+  <installed facet="java" version="1.8"/>
 </faceted-project>

distro/changelog.xml

@@ -1,4 +1,8 @@
 <ReleaseNotes>
+	<Changeset component="org.gcube.portlets.user.databases-manager-portlet.1-8-0"
+		date="2017-06-12">
+		<Change>Support Java 8 compatibility [ticket #8432]</Change>
+	</Changeset>
 	<Changeset component="org.gcube.portlets.user.databases-manager-portlet.1-7-0"
 		date="2017-02-15">
 		<Change>Fixed groupId</Change>

pom.xml

@@ -15,10 +15,11 @@
 	<groupId>org.gcube.portlets.user</groupId>
 	<artifactId>databases-manager-portlet</artifactId>
 	<packaging>war</packaging>
-	<version>1.7.0-SNAPSHOT</version>
+	<version>1.8.0-SNAPSHOT</version>
 	<name>DatabasesResourceManagerPortlet</name>
 	<description>Databases Resource Manager Portlet</description>
 	
+
 	<scm>
 		<url>https://svn.d4science.research-infrastructures.eu/gcube/trunk/portlets/user/databases-manager-portlet</url>
 	</scm>
@@ -40,6 +41,9 @@
 		<distroDirectory>distro</distroDirectory>
 		<configDirectory>config</configDirectory>
 
+		<!-- Java -->
+		<maven.compiler.source>1.7</maven.compiler.source>
+		
 		<!-- GWT configuration -->
 		<gwtVersion>2.6.1</gwtVersion>
 		<gwtLogVersion>3.3.2</gwtLogVersion>
@@ -99,13 +103,9 @@
 		</dependency>
 
 		<dependency>
-			<groupId>org.gcube.portal</groupId>
-			<artifactId>custom-portal-handler</artifactId>
-		</dependency>
-
-		<dependency>
-			<groupId>org.gcube.applicationsupportlayer</groupId>
-			<artifactId>aslcore</artifactId>
+			<groupId>org.gcube.common.portal</groupId>
+			<artifactId>portal-manager</artifactId>
+			<scope>provided</scope>
 		</dependency>
 
 		<dependency>
@@ -114,6 +114,13 @@
 			<scope>provided</scope>
 		</dependency>
 
+		<dependency>
+			<groupId>org.gcube.portal</groupId>
+			<artifactId>client-context-library</artifactId>
+			<version>[1.0.0-SNAPSHOT,)</version>
+			<scope>compile</scope>
+		</dependency>
+
 
 		<!-- Authorization -->
 		<dependency>

src/main/java/org/gcube/portlets/user/databasesmanager/client/DatabasesManager.java

@@ -1,5 +1,9 @@
 package org.gcube.portlets.user.databasesmanager.client;
 
+import org.gcube.portlets.user.databasesmanager.client.panels.GxtBorderLayoutPanel;
+import org.gcube.portlets.user.databasesmanager.client.resources.Resources;
+import org.gcube.portlets.user.databasesmanager.shared.Constants;
+
 import com.google.gwt.core.client.EntryPoint;
 import com.google.gwt.core.client.GWT;
 import com.google.gwt.event.logical.shared.ResizeEvent;
@@ -9,11 +13,6 @@ import com.google.gwt.user.client.Window;
 import com.google.gwt.user.client.rpc.ServiceDefTarget;
 import com.google.gwt.user.client.ui.RootPanel;
 
-import org.gcube.portlets.user.databasesmanager.client.panels.GxtBorderLayoutPanel;
-import org.gcube.portlets.user.databasesmanager.client.resources.Resources;
-import org.gcube.portlets.user.databasesmanager.shared.Constants;
-import org.gcube.portlets.widgets.sessionchecker.client.CheckSession;
-
 /**
  * @author "Loredana Liccardo  loredana.liccardo@isti.cnr.it"
  * 
@@ -33,7 +32,7 @@ public class DatabasesManager implements EntryPoint {
 
 	public void onModuleLoad() {
 		
-		CheckSession.getInstance().startPolling();
+		//CheckSession.getInstance().startPolling();
 
 		HandlerManager eventBus = new HandlerManager(this);
 

src/main/java/org/gcube/portlets/user/databasesmanager/client/utils/UIDGenerator.java

@@ -8,8 +8,9 @@ public class UIDGenerator {
 	 * Generate a random uuid of the specified length. Example: uuid(15) returns
 	 * "VcydxgltxrVZSTV"
 	 * 
-	 * @param len
-	 *            the desired number of characters
+	 * 
+	 * @param len  the desired number of characters
+	 * @return string len
 	 */
 	public static String get(int len) {
 		return get(len, CHARS.length);
@@ -17,17 +18,18 @@ public class UIDGenerator {
 
 	/**
 	 * Generate a random uuid of the specified length, and radix. Examples:
-	 * <ul>
-	 * <li>uuid(8, 2) returns "01001010" (8 character ID, base=2)
-	 * <li>uuid(8, 10) returns "47473046" (8 character ID, base=10)
-	 * <li>uuid(8, 16) returns "098F4D35" (8 character ID, base=16)
-	 * </ul>
+	 * 
+	 * uuid(8, 2) returns "01001010" (8 character ID, base=2)
+	 * uuid(8, 10) returns "47473046" (8 character ID, base=10)
+	 * uuid(8, 16) returns "098F4D35" (8 character ID, base=16)
+	 * 
 	 * 
 	 * @param len
 	 *            the desired number of characters
 	 * @param radix
 	 *            the number of allowable values for each character (must be <=
 	 *            62)
+	 * @return random uuid
 	 */
 	public static String get(int len, int radix) {
 		if (radix > CHARS.length) {
@@ -44,6 +46,8 @@ public class UIDGenerator {
 	/**
 	 * Generate a RFC4122, version 4 ID. Example:
 	 * "92329D39-6F5C-4520-ABFC-AAB64544E172"
+	 * 
+	 * @return id
 	 */
 	public static String get() {
 		char[] uuid = new char[36];

src/main/java/org/gcube/portlets/user/databasesmanager/portlet/DatabasesManager.java

@@ -7,10 +7,16 @@ import javax.portlet.PortletException;
 import javax.portlet.PortletRequestDispatcher;
 import javax.portlet.RenderRequest;
 import javax.portlet.RenderResponse;
-import org.gcube.portal.custom.scopemanager.scopehelper.ScopeHelper;
+
+import org.gcube.common.portal.PortalContext;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 public class DatabasesManager extends GenericPortlet {
 	
+	private final Logger logger= LoggerFactory.getLogger(DatabasesManager.class);
+
+	
 	/**
 	 * JSP folder name
 	 */
@@ -29,7 +35,10 @@ public class DatabasesManager extends GenericPortlet {
 	 */
 	public void doView(RenderRequest request, RenderResponse response) throws PortletException, IOException {
 
-		ScopeHelper.setContext(request);
+		logger.trace("DatabasesManager loading from JSP: "+VIEW_JSP);
+		logger.trace("Setting user in session using PortalContext");
+		PortalContext.setUserInSession(request);
+
 		PortletRequestDispatcher rd = getPortletContext().getRequestDispatcher(VIEW_JSP);
 		rd.include(request,response);
 	}

src/main/java/org/gcube/portlets/user/databasesmanager/server/GWTdbManagerServiceImpl.java

@@ -5,11 +5,7 @@ import java.io.File;
 import java.io.FileInputStream;
 import java.io.FileOutputStream;
 import java.io.IOException;
-import java.io.InputStream;
 import java.io.OutputStreamWriter;
-import java.net.URL;
-import java.net.URLConnection;
-import java.net.URLStreamHandler;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.LinkedHashMap;
@@ -19,6 +15,8 @@ import java.util.Set;
 import java.util.concurrent.ConcurrentLinkedQueue;
 
 import javax.servlet.ServletException;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpSession;
 
 import net.sf.ehcache.Cache;
 import net.sf.ehcache.CacheManager;
@@ -29,8 +27,6 @@ import net.sf.ehcache.store.MemoryStoreEvictionPolicy;
 
 import org.apache.log4j.Logger;
 import org.apache.regexp.RE;
-import org.gcube.application.framework.core.session.ASLSession;
-import org.gcube.contentmanager.storageclient.model.protocol.smp.SMPURLConnection;
 import org.gcube.data.analysis.dataminermanagercl.server.DataMinerService;
 import org.gcube.data.analysis.dataminermanagercl.server.dmservice.SClient;
 import org.gcube.data.analysis.dataminermanagercl.shared.data.OutputData;
@@ -51,6 +47,7 @@ import org.gcube.portlets.user.databasesmanager.client.datamodel.Row;
 import org.gcube.portlets.user.databasesmanager.client.datamodel.SamplingResultWithFileFromServlet;
 import org.gcube.portlets.user.databasesmanager.client.datamodel.SubmitQueryResultWithFileFromServlet;
 import org.gcube.portlets.user.databasesmanager.server.util.DataExchangedThroughQueue;
+import org.gcube.portlets.user.databasesmanager.server.util.ServiceCredentials;
 import org.gcube.portlets.user.databasesmanager.server.util.SessionUtil;
 import org.gcube.portlets.user.databasesmanager.shared.AlgorithmsName;
 import org.gcube.portlets.user.databasesmanager.shared.Constants;
@@ -265,7 +262,9 @@ public class GWTdbManagerServiceImpl extends RemoteServiceServlet implements
 		}
 	}
 
-	private void initVariables(ASLSession session) {
+	private void initVariables(HttpServletRequest httpRequest,
+			ServiceCredentials serviceCredentials) {
+		HttpSession session = httpRequest.getSession();
 
 		// Hashmap that contains computationId with a uid key
 		HashMap<String, ComputationId> computationIDMap = new HashMap<String, ComputationId>();
@@ -310,16 +309,15 @@ public class GWTdbManagerServiceImpl extends RemoteServiceServlet implements
 	public List<FileModel> getResource() throws Exception {
 		try {
 
-			ASLSession session = SessionUtil.getASLSession(this
-					.getThreadLocalRequest().getSession());
-			// get scope
-			String scope = session.getScope();
+			HttpServletRequest httpRequest = this.getThreadLocalRequest();
+			ServiceCredentials serviceCredentials = SessionUtil
+					.getServiceCredentials(httpRequest);
 
 			// check if the thread is already started
-			Boolean value = getThreadStarted(scope);
+			Boolean value = getThreadStarted(serviceCredentials.getScope());
 			if ((value == null) || (value.booleanValue() == false)) {
 				DataExchangedThroughQueue dataqueue = new DataExchangedThroughQueue(
-						scope);
+						serviceCredentials.getScope());
 
 				queue.offer(dataqueue);
 				Thread t = new Thread(dataLoader);
@@ -329,8 +327,8 @@ public class GWTdbManagerServiceImpl extends RemoteServiceServlet implements
 			}
 
 			// initialize variables with application startup
-			initVariables(session);
-			return recoverResources(scope);
+			initVariables(httpRequest, serviceCredentials);
+			return recoverResources(serviceCredentials.getScope());
 		} catch (Exception e) {
 			logger.error("dbmanager-> ", e);
 			throw e;
@@ -344,10 +342,12 @@ public class GWTdbManagerServiceImpl extends RemoteServiceServlet implements
 
 		try {
 
-			ASLSession session = SessionUtil.getASLSession(this
-					.getThreadLocalRequest().getSession());
+			HttpServletRequest httpRequest = this.getThreadLocalRequest();
+			ServiceCredentials serviceCredentials = SessionUtil
+					.getServiceCredentials(httpRequest);
+			
 			// get scope
-			String scope = session.getScope();
+			String scope = serviceCredentials.getScope();
 			return recoverDatabases(scope, resourceName);
 		} catch (Exception e) {
 			logger.error("dbmanager-> ", e);
@@ -362,10 +362,12 @@ public class GWTdbManagerServiceImpl extends RemoteServiceServlet implements
 
 		try {
 
-			ASLSession session = SessionUtil.getASLSession(this
-					.getThreadLocalRequest().getSession());
+			HttpServletRequest httpRequest = this.getThreadLocalRequest();
+			ServiceCredentials serviceCredentials = SessionUtil
+					.getServiceCredentials(httpRequest);
+
 			// get scope
-			String scope = session.getScope();
+			String scope = serviceCredentials.getScope();
 			return recoverSchema(scope, dataInput);
 		} catch (Exception e) {
 			logger.error("dbmanager-> ", e);
@@ -379,10 +381,12 @@ public class GWTdbManagerServiceImpl extends RemoteServiceServlet implements
 
 		try {
 
-			ASLSession session = SessionUtil.getASLSession(this
-					.getThreadLocalRequest().getSession());
+			HttpServletRequest httpRequest = this.getThreadLocalRequest();
+			ServiceCredentials serviceCredentials = SessionUtil
+					.getServiceCredentials(httpRequest);
+
 			// get scope
-			String scope = session.getScope();
+			String scope = serviceCredentials.getScope();
 			return recoverTables(scope, dataInput, elementType);
 		} catch (Exception e) {
 			logger.error("dbmanager-> ", e);
@@ -484,10 +488,12 @@ public class GWTdbManagerServiceImpl extends RemoteServiceServlet implements
 		try {
 
 			logger.info("Submit Query Request received. Starting to manage the request.");
-			ASLSession session = SessionUtil.getASLSession(this
-					.getThreadLocalRequest().getSession());
+			HttpServletRequest httpRequest = this.getThreadLocalRequest();
+			ServiceCredentials serviceCredentials = SessionUtil
+					.getServiceCredentials(httpRequest);
+
 			// get scope
-			String scope = session.getScope();
+			String scope = serviceCredentials.getScope();
 
 			logger.info("dbmanager-> Dialect used for smart correction: "
 					+ language);
@@ -729,10 +735,12 @@ public class GWTdbManagerServiceImpl extends RemoteServiceServlet implements
 
 		try {
 			logger.info("dbmanager-> Sampling on table Request received. Starting to manage the request.");
-			ASLSession session = SessionUtil.getASLSession(this
-					.getThreadLocalRequest().getSession());
+			HttpServletRequest httpRequest = this.getThreadLocalRequest();
+			ServiceCredentials serviceCredentials = SessionUtil
+					.getServiceCredentials(httpRequest);
+
 			// get scope
-			String scope = session.getScope();
+			String scope = serviceCredentials.getScope();
 
 			// data input
 			List<Parameter> inputParameters = new ArrayList<Parameter>();
@@ -881,10 +889,12 @@ public class GWTdbManagerServiceImpl extends RemoteServiceServlet implements
 
 		try {
 			logger.info("dbmanager-> Smart Sampling on table Request received. Starting to manage the request.");
-			ASLSession session = SessionUtil.getASLSession(this
-					.getThreadLocalRequest().getSession());
+			HttpServletRequest httpRequest = this.getThreadLocalRequest();
+			ServiceCredentials serviceCredentials = SessionUtil
+					.getServiceCredentials(httpRequest);
+
 			// get scope
-			String scope = session.getScope();
+			String scope = serviceCredentials.getScope();
 
 			// data input
 			List<Parameter> inputParameters = new ArrayList<Parameter>();
@@ -1030,10 +1040,12 @@ public class GWTdbManagerServiceImpl extends RemoteServiceServlet implements
 
 		try {
 			logger.info("dbmanager-> Random Sampling on table Request received. Starting to manage the request.");
-			ASLSession session = SessionUtil.getASLSession(this
-					.getThreadLocalRequest().getSession());
+			HttpServletRequest httpRequest = this.getThreadLocalRequest();
+			ServiceCredentials serviceCredentials = SessionUtil
+					.getServiceCredentials(httpRequest);
+
 			// get scope
-			String scope = session.getScope();
+			String scope = serviceCredentials.getScope();
 
 			// data input
 			List<Parameter> inputParameters = new ArrayList<Parameter>();
@@ -1144,10 +1156,12 @@ public class GWTdbManagerServiceImpl extends RemoteServiceServlet implements
 
 		try {
 			logger.info("dbmanager-> Table Details Recovery Request received. Starting to manage the request.");
-			ASLSession session = SessionUtil.getASLSession(this
-					.getThreadLocalRequest().getSession());
+			HttpServletRequest httpRequest = this.getThreadLocalRequest();
+			ServiceCredentials serviceCredentials = SessionUtil
+					.getServiceCredentials(httpRequest);
+
 			// get scope
-			String scope = session.getScope();
+			String scope = serviceCredentials.getScope();
 
 			// data input
 			List<Parameter> inputParameters = new ArrayList<Parameter>();
@@ -1419,9 +1433,11 @@ public class GWTdbManagerServiceImpl extends RemoteServiceServlet implements
 			throws Exception {
 		if (jobID != null) {
 			// add the job status
-			ASLSession session = SessionUtil.getASLSession(this
-					.getThreadLocalRequest().getSession());
-			HashMap<String, String> JobStatusMap = (HashMap<String, String>) session
+			HttpServletRequest httpRequest = this.getThreadLocalRequest();
+			HttpSession session=httpRequest.getSession();
+			
+				@SuppressWarnings("unchecked")
+				HashMap<String, String> JobStatusMap = (HashMap<String, String>) session
 					.getAttribute("JobStatusList");
 			JobStatusMap.put(jobID, status);
 			session.setAttribute("JobStatusList", JobStatusMap);
@@ -1430,8 +1446,10 @@ public class GWTdbManagerServiceImpl extends RemoteServiceServlet implements
 
 	// remove job with the related status
 	private synchronized void removeJobStatus(String jobID) throws Exception {
-		ASLSession session = SessionUtil.getASLSession(this
-				.getThreadLocalRequest().getSession());
+		HttpServletRequest httpRequest = this.getThreadLocalRequest();
+		HttpSession session=httpRequest.getSession();
+		
+		@SuppressWarnings("unchecked")
 		HashMap<String, String> JobStatusMap = (HashMap<String, String>) session
 				.getAttribute("JobStatusList");
 		String status = JobStatusMap.get(jobID);
@@ -1443,8 +1461,10 @@ public class GWTdbManagerServiceImpl extends RemoteServiceServlet implements
 
 	// get job status
 	private synchronized String getJobStatus(String jobID) throws Exception {
-		ASLSession session = SessionUtil.getASLSession(this
-				.getThreadLocalRequest().getSession());
+		HttpServletRequest httpRequest = this.getThreadLocalRequest();
+		HttpSession session=httpRequest.getSession();
+		
+		@SuppressWarnings("unchecked")
 		HashMap<String, String> JobStatusMap = (HashMap<String, String>) session
 				.getAttribute("JobStatusList");
 		String status = JobStatusMap.get(jobID);
@@ -1456,10 +1476,14 @@ public class GWTdbManagerServiceImpl extends RemoteServiceServlet implements
 			ComputationId computationId) throws Exception {
 		if (jobID != null) {
 			// add the computation in the map
-			ASLSession session = SessionUtil.getASLSession(this
-					.getThreadLocalRequest().getSession());
+			HttpServletRequest httpRequest = this.getThreadLocalRequest();	
+			HttpSession session=httpRequest.getSession();
+			
+			
+			@SuppressWarnings("unchecked")
 			HashMap<String, ComputationId> computationIDMap = (HashMap<String, ComputationId>) session
 					.getAttribute("ComputationIDList");
+			
 			computationIDMap.put(jobID, computationId);
 			session.setAttribute("ComputationIDList", computationIDMap);
 		}
@@ -1470,8 +1494,11 @@ public class GWTdbManagerServiceImpl extends RemoteServiceServlet implements
 		if (jobID != null) {
 			// System.out.println("remove jobID " + job);
 			// add the computation in the map
-			ASLSession session = SessionUtil.getASLSession(this
-					.getThreadLocalRequest().getSession());
+			HttpServletRequest httpRequest = this.getThreadLocalRequest();	
+			HttpSession session=httpRequest.getSession();
+			
+			
+			@SuppressWarnings("unchecked")
 			HashMap<String, ComputationId> computationIDMap = (HashMap<String, ComputationId>) session
 					.getAttribute("ComputationIDList");
 			ComputationId computationId = computationIDMap.get(jobID);
@@ -1487,8 +1514,10 @@ public class GWTdbManagerServiceImpl extends RemoteServiceServlet implements
 	private synchronized boolean checkJob(String jobID) throws Exception {
 		boolean isContained = false;
 		if (jobID != null) {
-			ASLSession session = SessionUtil.getASLSession(this
-					.getThreadLocalRequest().getSession());
+			HttpServletRequest httpRequest = this.getThreadLocalRequest();	
+			HttpSession session=httpRequest.getSession();
+			
+			@SuppressWarnings("unchecked")
 			HashMap<String, ComputationId> computationIDMap = (HashMap<String, ComputationId>) session
 					.getAttribute("ComputationIDList");
 			if (computationIDMap.containsKey(jobID)) {
@@ -1503,9 +1532,10 @@ public class GWTdbManagerServiceImpl extends RemoteServiceServlet implements
 
 	private synchronized void updateListSubmitQueryUIDCachedData(String UID,
 			Boolean value) throws Exception {
-		ASLSession session = SessionUtil.getASLSession(this
-				.getThreadLocalRequest().getSession());
+		HttpServletRequest httpRequest = this.getThreadLocalRequest();	
+		HttpSession session=httpRequest.getSession();
 		
+		@SuppressWarnings("unchecked")
 		HashMap<String, Boolean> listSubmitQueryUIDCachedData = (HashMap<String, Boolean>) session
 				.getAttribute("listSubmitQueryUIDCachedData");
 		listSubmitQueryUIDCachedData.put(UID, value);
@@ -1516,9 +1546,10 @@ public class GWTdbManagerServiceImpl extends RemoteServiceServlet implements
 
 	private synchronized Boolean checkSubmitQueryUIDCachedData(String UID)
 			throws Exception {
-		ASLSession session = SessionUtil.getASLSession(this
-				.getThreadLocalRequest().getSession());
+		HttpServletRequest httpRequest = this.getThreadLocalRequest();
+		HttpSession session=httpRequest.getSession();
 		
+		@SuppressWarnings("unchecked")
 		HashMap<String, Boolean> listSubmitQueryUIDCachedData = (HashMap<String, Boolean>) session
 				.getAttribute("listSubmitQueryUIDCachedData");
 		return listSubmitQueryUIDCachedData.get(UID);
@@ -1526,9 +1557,10 @@ public class GWTdbManagerServiceImpl extends RemoteServiceServlet implements
 
 	private synchronized void removeSubmitQueryUIDCachedData(String UID)
 			throws Exception {
-		ASLSession session = SessionUtil.getASLSession(this
-				.getThreadLocalRequest().getSession());
+		HttpServletRequest httpRequest = this.getThreadLocalRequest();
+		HttpSession session=httpRequest.getSession();
 		
+		@SuppressWarnings("unchecked")
 		HashMap<String, Boolean> listSubmitQueryUIDCachedData = (HashMap<String, Boolean>) session
 				.getAttribute("listSubmitQueryUIDCachedData");
 
@@ -1541,9 +1573,10 @@ public class GWTdbManagerServiceImpl extends RemoteServiceServlet implements
 
 	private synchronized void removeKeySubmitQueryResult(String UID)
 			throws Exception {
-		ASLSession session = SessionUtil.getASLSession(this
-				.getThreadLocalRequest().getSession());
+		HttpServletRequest httpRequest = this.getThreadLocalRequest();
+		HttpSession session=httpRequest.getSession();
 		
+		@SuppressWarnings("unchecked")
 		HashMap<String, String> listKeySubmitQueryResult = (HashMap<String, String>) session
 				.getAttribute("listKeySubmitQueryResult");
 
@@ -1556,9 +1589,10 @@ public class GWTdbManagerServiceImpl extends RemoteServiceServlet implements
 
 	private synchronized void updateListKeySubmitQueryResult(String UID,
 			String value) throws Exception {
-		ASLSession session = SessionUtil.getASLSession(this
-				.getThreadLocalRequest().getSession());
+		HttpServletRequest httpRequest = this.getThreadLocalRequest();
+		HttpSession session=httpRequest.getSession();
 		
+		@SuppressWarnings("unchecked")
 		HashMap<String, String> listKeySubmitQueryResult = (HashMap<String, String>) session
 				.getAttribute("listKeySubmitQueryResult");
 		listKeySubmitQueryResult.put(UID, value);
@@ -1569,9 +1603,10 @@ public class GWTdbManagerServiceImpl extends RemoteServiceServlet implements
 
 	private synchronized String getKeySubmitQueryResult(String UID)
 			throws Exception {
-		ASLSession session = SessionUtil.getASLSession(this
-				.getThreadLocalRequest().getSession());
+		HttpServletRequest httpRequest = this.getThreadLocalRequest();
+		HttpSession session=httpRequest.getSession();
 		
+		@SuppressWarnings("unchecked")
 		HashMap<String, String> listKeySubmitQueryResult = (HashMap<String, String>) session
 				.getAttribute("listKeySubmitQueryResult");
 		return listKeySubmitQueryResult.get(UID);
@@ -1579,9 +1614,10 @@ public class GWTdbManagerServiceImpl extends RemoteServiceServlet implements
 
 	private synchronized List<Result> getSubmitQueryResult(String UID)
 			throws Exception {
-		ASLSession session = SessionUtil.getASLSession(this
-				.getThreadLocalRequest().getSession());
+		HttpServletRequest httpRequest = this.getThreadLocalRequest();
+		HttpSession session=httpRequest.getSession();
 		
+		@SuppressWarnings("unchecked")
 		HashMap<String, List<Result>> listSubmitQueryResult = (HashMap<String, List<Result>>) session
 				.getAttribute("listSubmitQueryResult");
 		return listSubmitQueryResult.get(UID);
@@ -1589,9 +1625,10 @@ public class GWTdbManagerServiceImpl extends RemoteServiceServlet implements
 
 	private synchronized void updateListSubmitQueryResult(String UID,
 			List<Result> value) throws Exception {
-		ASLSession session = SessionUtil.getASLSession(this
-				.getThreadLocalRequest().getSession());
+		HttpServletRequest httpRequest = this.getThreadLocalRequest();	
+		HttpSession session=httpRequest.getSession();
 		
+		@SuppressWarnings("unchecked")
 		HashMap<String, List<Result>> listSubmitQueryResult = (HashMap<String, List<Result>>) session
 				.getAttribute("listSubmitQueryResult");
 		listSubmitQueryResult.put(UID, value);
@@ -1601,9 +1638,10 @@ public class GWTdbManagerServiceImpl extends RemoteServiceServlet implements
 	private synchronized void removeSubmitQueryResult(String UID)
 			throws Exception {
 
-		ASLSession session = SessionUtil.getASLSession(this
-				.getThreadLocalRequest().getSession());
+		HttpServletRequest httpRequest = this.getThreadLocalRequest();
+		HttpSession session=httpRequest.getSession();
 		
+		@SuppressWarnings("unchecked")
 		HashMap<String, List<Result>> listSubmitQueryResult = (HashMap<String, List<Result>>) session
 				.getAttribute("listSubmitQueryResult");
 
@@ -1764,16 +1802,20 @@ public class GWTdbManagerServiceImpl extends RemoteServiceServlet implements
 
 	}
 
+	/*
 	private InputStream getStorageClientInputStream(String url)
 			throws Exception {
-		URL u = new URL(null, url, new URLStreamHandler() {
-			@Override
-			protected URLConnection openConnection(URL u) throws IOException {
-				return new SMPURLConnection(u);
-			}
-		});
+		//URL u = new URL(null, url, new URLStreamHandler() {
+		//	@Override
+		//	protected URLConnection openConnection(URL u) throws IOException {
+		//		return new SMPURLConnection(u);
+		//	}
+		//});
+		
+		URL u=new URL(url);
+		u.openConnection().getInputStream();
 		return u.openConnection().getInputStream();
-	}
+	}*/
 
 	/*
 	 * private StatisticalManagerFactory getFactory(String scope) { //
@@ -1799,10 +1841,14 @@ public class GWTdbManagerServiceImpl extends RemoteServiceServlet implements
 		try {
 
 			logger.info("dbmanager-> Remove Computation Request received. Starting to manage the request.");
-			ASLSession session = SessionUtil.getASLSession(this
-					.getThreadLocalRequest().getSession());
-			// get scope
-			String scope = session.getScope();
+			HttpServletRequest httpRequest = this.getThreadLocalRequest();
+			@SuppressWarnings("unused")
+			ServiceCredentials serviceCredentials = SessionUtil
+					.getServiceCredentials(httpRequest);
+			
+			//HttpSession session=httpRequest.getSession();
+				// get scope
+			//String scope = serviceCredentials.getScope();
 
 			Boolean isComputationRemoved = false;
 			// verify if this uid submitQuery request uses data in cache
@@ -1878,8 +1924,11 @@ public class GWTdbManagerServiceImpl extends RemoteServiceServlet implements
 	@Override
 	public void refreshDataOnServer(String submitQueryUID) throws Exception {
 
-		ASLSession session = SessionUtil.getASLSession(this
-				.getThreadLocalRequest().getSession());
+		HttpServletRequest httpRequest = this.getThreadLocalRequest();
+		@SuppressWarnings("unused")
+		ServiceCredentials serviceCredentials = SessionUtil
+				.getServiceCredentials(httpRequest);
+		
 		
 		if ((submitQueryUID != null) && (!submitQueryUID.equals(""))) {
 			removeKeySubmitQueryResult(submitQueryUID);
@@ -2154,10 +2203,13 @@ public class GWTdbManagerServiceImpl extends RemoteServiceServlet implements
 
 		try {
 
-			ASLSession session = SessionUtil.getASLSession(this
-					.getThreadLocalRequest().getSession());
+			HttpServletRequest httpRequest = this.getThreadLocalRequest();
+			ServiceCredentials serviceCredentials = SessionUtil
+					.getServiceCredentials(httpRequest);
+			
+		
 			// get scope
-			String scope = session.getScope();
+			String scope = serviceCredentials.getScope();
 
 			// call the method related to the element selected
 			String resourceName = "";
@@ -2672,7 +2724,8 @@ public class GWTdbManagerServiceImpl extends RemoteServiceServlet implements
 			// get data from cache
 			// check if data exist considering as key the input parameters
 			// String key = inputParameters.get(0).getDefaultValue();
-			String key = scope + Constants.RESOURCESLIST;
+			String key = scope
+					+ Constants.RESOURCESLIST;
 			net.sf.ehcache.Element dataFromCache = getDataFromCache(key);
 
 			Object value = null;
@@ -2698,7 +2751,8 @@ public class GWTdbManagerServiceImpl extends RemoteServiceServlet implements
 				ComputationOutput outputData = new ComputationOutput();
 				// computationId
 				ComputationId computationId = startComputation(algorithmId,
-						inputParameters, outputData, scope, null);
+						inputParameters, outputData,
+						scope, null);
 
 				// print check
 				// retrieve data

src/main/java/org/gcube/portlets/user/databasesmanager/server/util/ServiceCredentials.java

@@ -0,0 +1,141 @@
+package org.gcube.portlets.user.databasesmanager.server.util;
+
+import java.io.Serializable;
+
+/**
+ * 
+ * @author Giancarlo Panichi email: <a
+ *         href="mailto:g.panichi@isti.cnr.it">g.panichi@isti.cnr.it</a>
+ *
+ */
+public class ServiceCredentials implements Serializable {
+
+	private static final long serialVersionUID = 3560918948310315680L;
+	private String userName;
+	private String fullName;
+	private String name;
+	private String lastName;
+	private String email;
+	private String scope;
+	private String groupId;
+	private String groupName;
+	private String userAvatarURL;
+	private String token;
+
+	public ServiceCredentials() {
+		super();
+	}
+
+	public ServiceCredentials(String userName, String scope, String token) {
+		super();
+		this.userName = userName;
+		this.scope = scope;
+		this.token = token;
+	}
+
+	public ServiceCredentials(String userName, String fullName, String name,
+			String lastName, String email, String scope, String groupId,
+			String groupName, String userAvatarURL, String token) {
+		super();
+		this.userName = userName;
+		this.fullName = fullName;
+		this.name = name;
+		this.lastName = lastName;
+		this.email = email;
+		this.scope = scope;
+		this.groupId = groupId;
+		this.groupName = groupName;
+		this.userAvatarURL = userAvatarURL;
+		this.token = token;
+	}
+
+	public String getUserName() {
+		return userName;
+	}
+
+	public void setUserName(String userName) {
+		this.userName = userName;
+	}
+
+	public String getFullName() {
+		return fullName;
+	}
+
+	public void setFullName(String fullName) {
+		this.fullName = fullName;
+	}
+
+	public String getName() {
+		return name;
+	}
+
+	public void setName(String name) {
+		this.name = name;
+	}
+
+	public String getLastName() {
+		return lastName;
+	}
+
+	public void setLastName(String lastName) {
+		this.lastName = lastName;
+	}
+
+	public String getEmail() {
+		return email;
+	}
+
+	public void setEmail(String email) {
+		this.email = email;
+	}
+
+	public String getScope() {
+		return scope;
+	}
+
+	public void setScope(String scope) {
+		this.scope = scope;
+	}
+
+	public String getGroupId() {
+		return groupId;
+	}
+
+	public void setGroupId(String groupId) {
+		this.groupId = groupId;
+	}
+
+	public String getGroupName() {
+		return groupName;
+	}
+
+	public void setGroupName(String groupName) {
+		this.groupName = groupName;
+	}
+
+	public String getUserAvatarURL() {
+		return userAvatarURL;
+	}
+
+	public void setUserAvatarURL(String userAvatarURL) {
+		this.userAvatarURL = userAvatarURL;
+	}
+
+	public String getToken() {
+		return token;
+	}
+
+	public void setToken(String token) {
+		this.token = token;
+	}
+
+	@Override
+	public String toString() {
+		return "ServiceCredentials [userName=" + userName + ", fullName="
+				+ fullName + ", name=" + name + ", lastName=" + lastName
+				+ ", email=" + email + ", scope=" + scope + ", groupId="
+				+ groupId + ", groupName=" + groupName + ", userAvatarURL="
+				+ userAvatarURL + ", token=" + token + "]";
+	}
+
+}

src/main/java/org/gcube/portlets/user/databasesmanager/server/util/SessionUtil.java

@@ -1,71 +1,177 @@
 package org.gcube.portlets.user.databasesmanager.server.util;
 
-import java.util.HashMap;
-
-import javax.servlet.http.HttpSession;
+import javax.servlet.http.HttpServletRequest;
 
 import org.apache.log4j.Logger;
-import org.gcube.application.framework.core.session.ASLSession;
-import org.gcube.application.framework.core.session.SessionManager;
-import org.gcube.data.analysis.dataminermanagercl.server.DataMinerService;
-import org.gcube.data.analysis.dataminermanagercl.server.dmservice.SClient;
-import org.gcube.portal.custom.scopemanager.scopehelper.ScopeHelper;
+import org.gcube.common.authorization.library.provider.SecurityTokenProvider;
+import org.gcube.common.portal.PortalContext;
+import org.gcube.common.scope.api.ScopeProvider;
 import org.gcube.portlets.user.databasesmanager.shared.Constants;
-import org.gcube.portlets.user.databasesmanager.shared.SessionExpiredException;
+import org.gcube.portlets.user.databasesmanager.shared.exception.ServiceException;
+import org.gcube.vomanagement.usermanagement.impl.LiferayGroupManager;
+import org.gcube.vomanagement.usermanagement.model.GCubeGroup;
+import org.gcube.vomanagement.usermanagement.model.GCubeUser;
 
 
 public class SessionUtil {
 
-	private static Logger logger = Logger.getLogger(SessionUtil.class);
-	//public static final String TEST_USER = "test.user";
-	//public static final String USER = "database.manager";
+	private static final Logger logger = Logger.getLogger(SessionUtil.class);
 
-
-	public static ASLSession getASLSession(HttpSession httpSession)
-			throws Exception {
-		String username = (String) httpSession
-				.getAttribute(ScopeHelper.USERNAME_ATTRIBUTE);
-		ASLSession aslSession;
-		if (username == null) {
-			if (Constants.DEBUG_MODE) {
-				logger.info("no user found in session, use test user");
-
-				// Remove comment for Test
-				username = Constants.DEFAULT_USER;
-				String scope = Constants.DEFAULT_SCOPE;
-
-				httpSession.setAttribute(ScopeHelper.USERNAME_ATTRIBUTE,
-						username);
-				aslSession = SessionManager.getInstance().getASLSession(
-						httpSession.getId(), username);
-				aslSession.setScope(scope);
-			} else {
-				logger.info("No user found in session");
-				throw new SessionExpiredException();
-
-			}
-		} else {
-			aslSession = SessionManager.getInstance().getASLSession(
-					httpSession.getId(), username);
-
-		}
-
-		logger.info("SessionUtil: aslSession " + aslSession.getUsername() + " "
-				+ aslSession.getScope());
-
-		return aslSession;
+	/**
+	 * 
+	 * @param httpServletRequest
+	 * @return
+	 * @throws TDGWTServiceException
+	 */
+	public static ServiceCredentials getServiceCredentials(
+			HttpServletRequest httpServletRequest) throws org.gcube.portlets.user.databasesmanager.shared.exception.ServiceException {
+		return getServiceCredentials(httpServletRequest, null);
 	}
 
-	public static String getToken(ASLSession aslSession) throws Exception {
-		String token = null;
-		if (Constants.DEBUG_MODE) {
-			token = Constants.DEFAULT_TOKEN;
-		} else {
-			token = aslSession.getSecurityToken();
-		}
-		logger.info("received token: " + token);
-		return token;
+	/**
+	 * 
+	 * @param httpServletRequest
+	 * @param scopeGroupId
+	 * @return
+	 * @throws TDGWTServiceException
+	 */
+	public static ServiceCredentials getServiceCredentials(
+			HttpServletRequest httpServletRequest, String scopeGroupId)
+			throws ServiceException {
 
+		ServiceCredentials sCredentials = null;
+		String userName = null;
+		String scope = null;
+		String token = null;
+		String groupId = null;
+		String groupName = null;
+
+		if (Constants.DEBUG_MODE) {
+			logger.debug("No credential found in session, use test user!");
+			/*
+			 * InfoLocale infoLocale = getInfoLocale(httpServletRequest, null);
+			 * Locale locale = new Locale(infoLocale.getLanguage());
+			 * 
+			 * ResourceBundle messages = ResourceBundle.getBundle(
+			 * StatAlgoImporterServiceMessagesConstants.TDGWTServiceMessages,
+			 * locale);
+			 */
+			userName = Constants.DEFAULT_USER;
+			scope = Constants.DEFAULT_SCOPE;
+			token = Constants.DEFAULT_TOKEN;
+
+			logger.debug("Set SecurityToken: " + token);
+			SecurityTokenProvider.instance.set(token);
+			logger.debug("Set ScopeProvider: " + scope);
+			ScopeProvider.instance.set(scope);
+
+			sCredentials = new ServiceCredentials(userName, scope, token);
+
+		} else {
+			logger.debug("Retrieving credential in session!");
+			PortalContext pContext = PortalContext.getConfiguration();
+			boolean hasScopeGroupId = false;
+
+			if (scopeGroupId != null && !scopeGroupId.isEmpty()) {
+				hasScopeGroupId = true;
+
+			} else {
+				hasScopeGroupId = false;
+			}
+
+			if (hasScopeGroupId) {
+				scope = pContext.getCurrentScope(scopeGroupId);
+			} else {
+				scope = pContext.getCurrentScope(httpServletRequest);
+			}
+
+			if (scope == null || scope.isEmpty()) {
+				String error = "Error retrieving scope: " + scope;
+				logger.error(error);
+				throw new ServiceException(error);
+			}
+
+			GCubeUser gCubeUser = pContext.getCurrentUser(httpServletRequest);
+
+			if (gCubeUser == null) {
+				String error = "Error retrieving gCubeUser in scope " + scope
+						+ ": " + gCubeUser;
+				logger.error(error);
+				throw new ServiceException(error);
+			}
+
+			userName = gCubeUser.getUsername();
+
+			if (userName == null || userName.isEmpty()) {
+				String error = "Error retrieving username in scope " + scope
+						+ ": " + userName;
+				logger.error(error);
+				throw new ServiceException(error);
+			}
+
+			token = pContext.getCurrentUserToken(scope, userName);
+
+			if (token == null || token.isEmpty()) {
+				String error = "Error retrieving token for " + userName
+						+ " in " + scope + ": " + token;
+				logger.error(error);
+				throw new ServiceException(error);
+			}
+
+			String name = gCubeUser.getFirstName();
+			String lastName = gCubeUser.getLastName();
+			String fullName = gCubeUser.getFullname();
+
+			String userAvatarURL = gCubeUser.getUserAvatarURL();
+
+			String email = gCubeUser.getEmail();
+
+			if (hasScopeGroupId) {
+				logger.debug("Set SecurityToken: " + token);
+				SecurityTokenProvider.instance.set(token);
+				logger.debug("Set ScopeProvider: " + scope);
+				ScopeProvider.instance.set(scope);
+
+				groupId = scopeGroupId;
+
+				long gId;
+
+				try {
+					gId = Long.parseLong(scopeGroupId);
+				} catch (Throwable e) {
+					String error = "Error retrieving groupId: " + scopeGroupId;
+					logger.error(error, e);
+					throw new ServiceException(error);
+				}
+
+				GCubeGroup group;
+				try {
+					group = new LiferayGroupManager().getGroup(gId);
+				} catch (Throwable e) {
+					String error = "Error retrieving group: " + groupName;
+					logger.error(error);
+					throw new ServiceException(error);
+				}
+
+				groupName = group.getGroupName();
+
+			} else {
+
+				groupId = String.valueOf(pContext
+						.getCurrentGroupId(httpServletRequest));
+
+				groupName = pContext.getCurrentGroupName(httpServletRequest);
+
+			}
+
+			sCredentials = new ServiceCredentials(userName, fullName, name,
+					lastName, email, scope, groupId, groupName, userAvatarURL,
+					token);
+		}
+
+		logger.debug("ServiceCredentials: " + sCredentials);
+
+		return sCredentials;
 	}
 	
 

src/main/java/org/gcube/portlets/user/databasesmanager/shared/AlgorithmsName.java

@@ -44,8 +44,8 @@ public enum AlgorithmsName {
 
 	/**
 	 * 
-	 * @param fullPackageName
-	 * @return
+	 * @param fullPackageName full package name
+	 * @return AlgorithmsName
 	 */
 	public static AlgorithmsName getFromFullPackageName(String fullPackageName) {
 		if (fullPackageName == null || fullPackageName.isEmpty())

src/main/java/org/gcube/portlets/user/databasesmanager/shared/exception/ServiceException.java

@@ -0,0 +1,39 @@
+/**
+ * 
+ */
+package org.gcube.portlets.user.databasesmanager.shared.exception;
+
+/**
+ * 
+ * @author "Giancarlo Panichi" 
+ * <a href="mailto:g.panichi@isti.cnr.it">g.panichi@isti.cnr.it</a> 
+ *
+ */
+public class ServiceException extends Exception {
+
+	
+	private static final long serialVersionUID = -2255657546267656458L;
+
+
+	/**
+	 * 
+	 */
+	public ServiceException() {
+		super();
+	}
+
+	/**
+	 * 
+	 * @param message error message
+	 */
+	public ServiceException(String message) {
+		super(message);
+	}
+	
+	
+	public ServiceException(String message,Throwable t) {
+		super(message,t);
+	}
+	
+
+}

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

@@ -21,11 +21,6 @@
 	<!-- <servlet-class>com.google.gwt.junit.server.JUnitHostImpl</servlet-class> -->
 	<!-- </servlet> -->
 
-	<servlet>
-		<servlet-name>checkServlet</servlet-name>
-		<servlet-class>org.gcube.portlets.widgets.sessionchecker.server.SessionCheckerServiceImpl</servlet-class>
-	</servlet>
-
 
 	<servlet-mapping>
 		<servlet-name>dbmanagerservlet</servlet-name>
@@ -42,11 +37,6 @@
 		<url-pattern>/databasesmanager/junithost/*</url-pattern>
 	</servlet-mapping>
 
-	<servlet-mapping>
-		<servlet-name>checkServlet</servlet-name>
-		<url-pattern>/databasesmanager/checksession</url-pattern>
-	</servlet-mapping>
-
 
 	<!-- Default page to serve -->
 	<welcome-file-list>