Reorganizing code

src/main/java/org/gcube/gcat/GCatInitializator.java

@@ -0,0 +1,83 @@
+package org.gcube.gcat;
+
+import java.io.IOException;
+
+import org.gcube.common.authorization.utils.manager.SecretManagerProvider;
+import org.gcube.gcat.rest.RequestFilter;
+import org.gcube.smartgears.ApplicationManager;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * @author Luca Frosini (ISTI - CNR)
+ */
+public class GCatInitializator implements ApplicationManager {
+
+	/**
+	 * Logger
+	 */
+	private static Logger logger = LoggerFactory.getLogger(GCatInitializator.class);
+	
+	/** 
+	 * {@inheritDoc}
+	 * The method discover the plugins available on classpath and their own 
+	 * supported capabilities and publish a ServiceEndpoint with the 
+	 * discovered information.
+	 * Furthermore create/connect to DB
+	 */
+	@Override
+	public void onInit() {
+		RequestFilter requestFilter = new RequestFilter();
+		try {
+			requestFilter.filter(null);
+		} catch (IOException e) {
+			throw new RuntimeException(e);
+		}
+		
+		String context = SecretManagerProvider.instance.get().getContext();
+		
+		logger.trace(
+				"\n-------------------------------------------------------\n"
+				+ "GCat is Starting on context {}\n"
+				+ "-------------------------------------------------------",
+				context);
+		
+				
+		logger.trace(
+				"\n-------------------------------------------------------\n"
+				+ "GCat Started Successfully on context {}\n"
+				+ "-------------------------------------------------------",
+				context);
+		
+	}
+	
+	/** 
+	 * {@inheritDoc} 
+	 * This function is invoked before the service will stop and unpublish the 
+	 * resource from the IS to maintain the infrastructure integrity.
+	 * Furthermore close the connection to DB.
+	 */
+	@Override
+	public void onShutdown(){
+		RequestFilter requestFilter = new RequestFilter();
+		try {
+			requestFilter.filter(null);
+		} catch (IOException e) {
+			throw new RuntimeException(e);
+		}
+		
+		String context = SecretManagerProvider.instance.get().getContext();
+		
+		logger.trace(
+				"\n-------------------------------------------------------\n"
+				+ "GCat is Stopping on context {}\n"
+				+ "-------------------------------------------------------", 
+				context);
+		
+		logger.trace(
+				"\n-------------------------------------------------------\n"
+				+ "GCat Stopped Successfully on context {}\n"
+				+ "-------------------------------------------------------", 
+				context);
+	}
+}

src/main/java/org/gcube/gcat/configuration/CatalogueConfigurationFactory.java

@@ -5,6 +5,7 @@ import java.util.Map;
 
 import org.gcube.common.authorization.utils.manager.SecretManagerProvider;
 import org.gcube.gcat.configuration.isproxies.GCoreISConfigurationProxy;
+import org.gcube.gcat.configuration.isproxies.ISConfigurationProxyFactory;
 import org.gcube.gcat.configuration.isproxies.FacetBasedISConfigurationProxy;
 import org.gcube.gcat.configuration.service.ServiceCatalogueConfiguration;
 import org.gcube.gcat.persistence.ckan.CKANUserCache;
@@ -21,7 +22,7 @@ public class CatalogueConfigurationFactory {
 	}
 	
 	private static ServiceCatalogueConfiguration load(String context) {
-		FacetBasedISConfigurationProxy restISConfigurationProxy = new FacetBasedISConfigurationProxy(context);
+		FacetBasedISConfigurationProxy restISConfigurationProxy = ISConfigurationProxyFactory.getInstance(context);
 		ServiceCatalogueConfiguration serviceCatalogueConfiguration = restISConfigurationProxy.getCatalogueConfiguration();
 		if(serviceCatalogueConfiguration == null) {
 			GCoreISConfigurationProxy gCoreISConfigurationProxy = new GCoreISConfigurationProxy(context);
@@ -31,16 +32,18 @@ public class CatalogueConfigurationFactory {
 	}
 	
 	private static void purgeFromIS(String context) {
-		FacetBasedISConfigurationProxy restISConfigurationProxy = new FacetBasedISConfigurationProxy(context);
+		FacetBasedISConfigurationProxy restISConfigurationProxy = ISConfigurationProxyFactory.getInstance(context);
 		restISConfigurationProxy.delete();
 		GCoreISConfigurationProxy gCoreISConfigurationProxy = new GCoreISConfigurationProxy(context);
 		gCoreISConfigurationProxy.delete();
 	}
 	
 	private static void createOrUpdateOnIS(String context, ServiceCatalogueConfiguration catalogueConfiguration) throws Exception {
-		FacetBasedISConfigurationProxy restISConfigurationProxy = new FacetBasedISConfigurationProxy(context,catalogueConfiguration);
+		FacetBasedISConfigurationProxy restISConfigurationProxy = ISConfigurationProxyFactory.getInstance(context);
+		restISConfigurationProxy.setCatalogueConfiguration(catalogueConfiguration);
 		restISConfigurationProxy.createOrUpdateOnIS();
-		GCoreISConfigurationProxy gCoreISConfigurationProxy = new GCoreISConfigurationProxy(context, catalogueConfiguration);
+		GCoreISConfigurationProxy gCoreISConfigurationProxy = new GCoreISConfigurationProxy(context);
+		gCoreISConfigurationProxy.setCatalogueConfiguration(catalogueConfiguration);
 		gCoreISConfigurationProxy.createOrUpdateOnIS();
 	}
 	

src/main/java/org/gcube/gcat/configuration/isproxies/FacetBasedISConfigurationProxy.java

@@ -22,6 +22,7 @@ import org.gcube.gcat.configuration.service.ServiceCatalogueConfiguration;
 import org.gcube.informationsystem.model.impl.relations.ConsistsOfImpl;
 import org.gcube.informationsystem.model.reference.entities.Entity;
 import org.gcube.informationsystem.model.reference.properties.Encrypted;
+import org.gcube.informationsystem.model.reference.properties.Header;
 import org.gcube.informationsystem.model.reference.relations.ConsistsOf;
 import org.gcube.informationsystem.resourceregistry.client.ResourceRegistryClient;
 import org.gcube.informationsystem.resourceregistry.client.ResourceRegistryClientFactory;
@@ -119,14 +120,20 @@ public class FacetBasedISConfigurationProxy extends ISConfigurationProxy<SimpleF
 		objectMapper = new ObjectMapper();
 		resourceRegistryClient = ResourceRegistryClientFactory.create();
 		resourceRegistryPublisher = ResourceRegistryPublisherFactory.create();
-		
 	}
 	
-	public FacetBasedISConfigurationProxy(String context, ServiceCatalogueConfiguration catalogueConfiguration) {
+//	public FacetBasedISConfigurationProxy(String context, ServiceCatalogueConfiguration catalogueConfiguration) {
-		super(context, catalogueConfiguration);
+//		super(context, catalogueConfiguration);
-		objectMapper = new ObjectMapper();
+//		objectMapper = new ObjectMapper();
-		resourceRegistryClient = ResourceRegistryClientFactory.create();
+//		resourceRegistryClient = ResourceRegistryClientFactory.create();
-		resourceRegistryPublisher = ResourceRegistryPublisherFactory.create();
+//		resourceRegistryPublisher = ResourceRegistryPublisherFactory.create();
+//	}
+
+	public VirtualService getVirtualService() {
+		if(virtualService==null) {
+			virtualService = queryVirtualService();
+		}
+		return virtualService;
 	}
 	
 	public File getJsonQueryFromFile(String filename) throws Exception {
@@ -175,9 +182,13 @@ public class FacetBasedISConfigurationProxy extends ISConfigurationProxy<SimpleF
 		return getUniqueEntity(entities, jsonQueryAsString);
 	}
 	
-	protected VirtualService queryVirtualService() throws Exception {
+	protected VirtualService queryVirtualService() throws InternalServerErrorException {
+		try {
 			VirtualService virtualService = (VirtualService) queryEntity(GET_CATALOGUE_VIRTUAL_SERVICE_FILENAME);
 			return virtualService;
+		}catch (Exception e) {
+			throw new InternalServerErrorException(e);
+		}
 	}
 	
 	protected Configuration queryGcatConfiguration() throws Exception {
@@ -205,12 +216,12 @@ public class FacetBasedISConfigurationProxy extends ISConfigurationProxy<SimpleF
 		return accessPointFacet;
 	}
 	
-	protected ServiceCatalogueConfiguration setGcatConfiguration(ServiceCatalogueConfiguration catalogueConfiguration) throws Exception {
+	protected ServiceCatalogueConfiguration setConfigurationInfoFromSimpleFacet(SimpleFacet configurationSimpleFacet, ServiceCatalogueConfiguration catalogueConfiguration) throws Exception {
-		SimpleFacet configurationSimpleFacet = getISResource();
+		Header header = configurationSimpleFacet.getHeader();
-		UUID uuid = configurationSimpleFacet.getHeader().getUUID();
+		if(header!=null && header.getUUID()!=null) {
-		if(uuid!=null) {
+			catalogueConfiguration.setID(header.getUUID().toString());
-			catalogueConfiguration.setID(uuid.toString());
 		}
+		
 		catalogueConfiguration.setModerationEnabled((boolean) configurationSimpleFacet.getAdditionalProperty(CatalogueConfiguration.MODERATION_ENABLED_KEY));
 		catalogueConfiguration.setNotificationToUsersEnabled((boolean) configurationSimpleFacet.getAdditionalProperty(CatalogueConfiguration.NOTIFICATION_TO_USER_ENABLED_KEY));
 		catalogueConfiguration.setSocialPostEnabled((boolean) configurationSimpleFacet.getAdditionalProperty(CatalogueConfiguration.SOCIAL_POST_ENABLED_KEY));
@@ -244,7 +255,7 @@ public class FacetBasedISConfigurationProxy extends ISConfigurationProxy<SimpleF
 		}
 		
 		if(forceUpdate) {
-			updateOnIS(configurationSimpleFacet);
+			updateOnIS();
 		}
 		
 		return catalogueConfiguration;
@@ -280,14 +291,34 @@ public class FacetBasedISConfigurationProxy extends ISConfigurationProxy<SimpleF
 		return catalogueConfiguration;
 	}
 	
-	protected SimpleFacet instatiateSimpleFacetUsingDefaultValues(ServiceCatalogueConfiguration catalogueConfiguration) {
+	protected SimpleFacet getSimpleFacetFromConfiguration(ServiceCatalogueConfiguration catalogueConfiguration) {
 		SimpleFacet simpleFacet = new SimpleFacetImpl();
+		if(catalogueConfiguration.getID()!=null) {
+			UUID uuid = null; 
+			try {
+				uuid = UUID.fromString(catalogueConfiguration.getID());
+				simpleFacet.getHeader().setUUID(uuid);
+			}catch (Exception e) {
+			
+			}
+		}
+		
 		simpleFacet.setAdditionalProperty(CatalogueConfiguration.MODERATION_ENABLED_KEY, catalogueConfiguration.isModerationEnabled());
 		simpleFacet.setAdditionalProperty(CatalogueConfiguration.NOTIFICATION_TO_USER_ENABLED_KEY, catalogueConfiguration.isNotificationToUsersEnabled());
 		simpleFacet.setAdditionalProperty(CatalogueConfiguration.SOCIAL_POST_ENABLED_KEY, catalogueConfiguration.isSocialPostEnabled());
 		
 		simpleFacet.setAdditionalProperty(CatalogueConfiguration.DEFAULT_ORGANIZATION_KEY, catalogueConfiguration.getDefaultOrganization());
 		simpleFacet.setAdditionalProperty(CatalogueConfiguration.SUPPORTED_ORGANIZATIONS_KEY, catalogueConfiguration.getSupportedOrganizations());
+		
+		Map<String,Object> additionalProperties = new HashMap<>(catalogueConfiguration.getAdditionalProperties());
+		
+		for(String key : additionalProperties.keySet()) {
+			if(!CatalogueConfiguration.KNOWN_PROPERTIES.contains(key)) {
+				Object value = additionalProperties.get(key);
+				simpleFacet.setAdditionalProperty(key, value);
+			}
+		}
+		
 		return simpleFacet;
 	}
 	
@@ -295,13 +326,13 @@ public class FacetBasedISConfigurationProxy extends ISConfigurationProxy<SimpleF
 	protected ServiceCatalogueConfiguration readFromIS() {
 		try {
 			catalogueConfiguration = new FacetBasedISServiceCatalogueConfiguration(context, this);
-			virtualService = queryVirtualService();
 			
 			configurationSimpleFacet = getISResource();
+			
 			if(configurationSimpleFacet==null) {
-				configurationSimpleFacet = instatiateSimpleFacetUsingDefaultValues(catalogueConfiguration);
+				configurationSimpleFacet = getSimpleFacetFromConfiguration(catalogueConfiguration);
 			}else {
-				catalogueConfiguration = setGcatConfiguration(catalogueConfiguration);
+				catalogueConfiguration = setConfigurationInfoFromSimpleFacet(configurationSimpleFacet, catalogueConfiguration);
 			}
 			
 			catalogueConfiguration = setCkanServiceInfo(catalogueConfiguration);
@@ -337,7 +368,7 @@ public class FacetBasedISConfigurationProxy extends ISConfigurationProxy<SimpleF
 			ConsistsOf<Configuration, SimpleFacet> co = new ConsistsOfImpl<>(gcatConfiguration, configurationSimpleFacet);
 			co = resourceRegistryPublisher.create(co);
 			configurationSimpleFacet = co.getTarget();
-			setGcatConfiguration(catalogueConfiguration);
+			setConfigurationInfoFromSimpleFacet(configurationSimpleFacet, catalogueConfiguration);
 		}
 		return catalogueConfiguration;
 	}
@@ -355,13 +386,15 @@ public class FacetBasedISConfigurationProxy extends ISConfigurationProxy<SimpleF
 	}
 
 	@Override
-	protected ServiceCatalogueConfiguration updateOnIS(SimpleFacet configurationSimpleFacet) throws Exception {
+	protected ServiceCatalogueConfiguration updateOnIS() throws Exception {
-		UUID uuid = configurationSimpleFacet.getHeader().getUUID();
+		Header header = configurationSimpleFacet.getHeader();
-		if(uuid!=null) {
+		if(header!=null && header.getUUID()!=null) {
-			this.configurationSimpleFacet = resourceRegistryPublisher.update(configurationSimpleFacet);
+			configurationSimpleFacet = getSimpleFacetFromConfiguration(catalogueConfiguration);
-			setGcatConfiguration(catalogueConfiguration);
+			configurationSimpleFacet = resourceRegistryPublisher.update(configurationSimpleFacet);
+			setConfigurationInfoFromSimpleFacet(configurationSimpleFacet, catalogueConfiguration);
 		}
 		return catalogueConfiguration;
 	}
 
+
 }

src/main/java/org/gcube/gcat/configuration/isproxies/GCoreISConfigurationProxy.java

@@ -91,24 +91,13 @@ public class GCoreISConfigurationProxy extends ISConfigurationProxy<ServiceEndpo
 	private final static String OLD_NAME = "CKanDataCatalogue";
 
 	protected ObjectMapper mapper;
+	protected ServiceEndpoint serviceEndpoint;
 	
 	public GCoreISConfigurationProxy(String context) {
 		super(context);
 		this.mapper = new ObjectMapper();
 	}
 
-	public GCoreISConfigurationProxy(String context, ServiceCatalogueConfiguration catalogueConfiguration) {
-		super(context, catalogueConfiguration);
-		this.mapper = new ObjectMapper();
-	}
-
-	public ServiceCatalogueConfiguration getCatalogueConfiguration() throws WebApplicationException {
-		if (catalogueConfiguration == null) {
-			catalogueConfiguration = readFromIS();
-		}
-		return catalogueConfiguration;
-	}
-
 	protected AccessPoint getAccessPoint(Profile profile) {
 		Group<AccessPoint> accessPoints = profile.accessPoints();
 		Iterator<AccessPoint> accessPointIterator = accessPoints.iterator();
@@ -169,13 +158,15 @@ public class GCoreISConfigurationProxy extends ISConfigurationProxy<ServiceEndpo
 	
 	@Override
 	protected ServiceEndpoint getISResource() {
+		if(serviceEndpoint==null) {
 			List<ServiceEndpoint> serviceEndpoints = getServiceEndpoints(GCatConstants.CONFIGURATION_CATEGORY, GCatConstants.CONFIGURATION_NAME);
 			if (serviceEndpoints==null || serviceEndpoints.size() == 0) {
 				logger.error("There is no {} having Category {} and Name {} in this context.",
 						ServiceEndpoint.class.getSimpleName(), GCatConstants.CONFIGURATION_CATEGORY, GCatConstants.CONFIGURATION_NAME);
 				return null;
 			}
-		ServiceEndpoint serviceEndpoint = serviceEndpoints.get(0);
+			serviceEndpoint = serviceEndpoints.get(0);
+		}
 		return serviceEndpoint;
 	}
 	
@@ -671,8 +662,9 @@ public class GCoreISConfigurationProxy extends ISConfigurationProxy<ServiceEndpo
 	}
 	
 	@Override
-	protected ServiceCatalogueConfiguration updateOnIS(ServiceEndpoint serviceEndpoint) throws Exception {
+	protected ServiceCatalogueConfiguration updateOnIS() throws Exception {
 		RegistryPublisher registryPublisher = RegistryPublisherFactory.create();
+		ServiceEndpoint serviceEndpoint = getISResource();
 		String id = serviceEndpoint.id();
 		catalogueConfiguration.setID(id);
 		serviceEndpoint = createServiceEndpoint(serviceEndpoint);

src/main/java/org/gcube/gcat/configuration/isproxies/ISConfigurationProxy.java

@@ -32,11 +32,15 @@ public abstract class ISConfigurationProxy<ISResource extends Object> {
 		return catalogueConfiguration;
 	}
 	
+	public void setCatalogueConfiguration(ServiceCatalogueConfiguration catalogueConfiguration) {
+		this.catalogueConfiguration = catalogueConfiguration;
+	}
+
 	public ServiceCatalogueConfiguration createOrUpdateOnIS() throws Exception {
 		ISResource isResource = getISResource();
 		if(isResource!=null) {
 			// It's an update
-			catalogueConfiguration = updateOnIS(isResource);
+			catalogueConfiguration = updateOnIS();
 		}else {
 			// It's a create
 			catalogueConfiguration = createOnIS();
@@ -51,7 +55,7 @@ public abstract class ISConfigurationProxy<ISResource extends Object> {
 			Version version = new Version(applicationConfiguration.version());
 			return version;
 		}catch (Exception e) {
-			return new Version("2.2.0");
+			return new Version("2.4.2");
 		}
 	}
 	
@@ -61,7 +65,7 @@ public abstract class ISConfigurationProxy<ISResource extends Object> {
 
 	protected abstract ServiceCatalogueConfiguration readFromIS();
 
-	protected abstract ServiceCatalogueConfiguration updateOnIS(ISResource isResource) throws Exception;
+	protected abstract ServiceCatalogueConfiguration updateOnIS() throws Exception;
 	
 	public abstract void delete();
 	

src/main/java/org/gcube/gcat/configuration/isproxies/ISConfigurationProxyFactory.java

@@ -0,0 +1,35 @@
+package org.gcube.gcat.configuration.isproxies;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import org.gcube.common.authorization.utils.manager.SecretManagerProvider;
+
+public class ISConfigurationProxyFactory {
+
+	private static final Map<String, FacetBasedISConfigurationProxy> isConfigurationProxies;
+	
+	static {
+		isConfigurationProxies = new HashMap<>();
+	}
+	
+	private static FacetBasedISConfigurationProxy find(String context) {
+		FacetBasedISConfigurationProxy isConfigurationProxy = new FacetBasedISConfigurationProxy(context);
+		return isConfigurationProxy;
+	}
+	
+	public synchronized static FacetBasedISConfigurationProxy getInstance(String context) {
+		FacetBasedISConfigurationProxy isConfigurationProxy = isConfigurationProxies.get(context);
+		if(isConfigurationProxy == null) {
+			isConfigurationProxy = find(context);
+			isConfigurationProxies.put(context, isConfigurationProxy);
+		}
+		return isConfigurationProxy;
+	}
+	
+	public static FacetBasedISConfigurationProxy getInstance() {
+		String context = SecretManagerProvider.instance.get().getContext();
+		return getInstance(context);
+	}
+	
+}