Implementing Publisher

git-svn-id: https://svn.d4science.research-infrastructures.eu/gcube/trunk/information-system/resource-registry-publisher@131349 82a268e6-3cf1-43bd-a215-b396298e98cf

pom.xml

@@ -24,6 +24,7 @@
 	</dependencyManagement>
 	
 	<dependencies>
+		
 		<dependency>
 			<groupId>org.gcube.core</groupId>
 			<artifactId>common-generic-clients</artifactId>
@@ -37,6 +38,28 @@
 			<artifactId>common-fw-clients</artifactId>
 		</dependency>
 		
+		
+		<dependency>
+			<groupId>org.gcube.common</groupId>
+			<artifactId>authorization-client</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>org.gcube.common</groupId>
+			<artifactId>common-authorization</artifactId>
+		</dependency>
+
+
+		<dependency>
+			<groupId>org.gcube.core</groupId>
+			<artifactId>common-encryption</artifactId>
+		</dependency>
+		
+		
+		<dependency>
+			<groupId>org.gcube.information-system</groupId>
+			<artifactId>information-system-model</artifactId>
+		</dependency>
+		
 		<dependency>
 			<groupId>org.gcube.information-system</groupId>
 			<artifactId>resource-registry-api</artifactId>

src/main/java/org/gcube/informationsystem/resourceregistry/publisher/plugin/AbstractPlugin.java

@@ -1,33 +0,0 @@
-package org.gcube.informationsystem.resourceregistry.publisher.plugin;
-
-import org.gcube.common.clients.Plugin;
-import org.gcube.informationsystem.resourceregistry.Constants;
-
-/**
- * 
- * @author Luca Frosini (ISTI - CNR) http://www.lucafrosini.com/
- *
- * @param <S>
- * @param <P>
- */
-public abstract class AbstractPlugin<S, P> implements Plugin<S, P> {
-
-	public final String name;
-
-	public AbstractPlugin(String name) {
-		this.name = name;
-	}
-
-	public String serviceClass() {
-		return Constants.SERVICE_CLASS;
-	}
-
-	public String serviceName() {
-		return Constants.SERVICE_NAME;
-	}
-
-	public String name() {
-		return name;
-	}
-	
-}

src/main/java/org/gcube/informationsystem/resourceregistry/publisher/plugin/ResourceRegistryPublisherPlugin.java

@@ -7,22 +7,22 @@ import javax.xml.ws.EndpointReference;
 
 import org.gcube.common.clients.config.ProxyConfig;
 import org.gcube.common.clients.delegates.ProxyDelegate;
+import org.gcube.informationsystem.resourceregistry.Constants;
 import org.gcube.informationsystem.resourceregistry.api.exceptions.ResourceRegistryException;
-import org.gcube.informationsystem.resourceregistry.publisher.proxy.ResourceRegistryPublisher;
+import org.gcube.informationsystem.resourceregistry.publisher.proxy.ResourceRegistryPublisherImpl;
 
 /**
  * @author Luca Frosini (ISTI - CNR) http://www.lucafrosini.com/
  *
  */
-public class ResourceRegistryRegistryPlugin extends AbstractPlugin<EndpointReference, ResourceRegistryPublisher>{
+public class ResourceRegistryPublisherPlugin extends AbstractPlugin<EndpointReference, ResourceRegistryPublisherImpl>{
 
-	public ResourceRegistryRegistryPlugin(){
+	public ResourceRegistryPublisherPlugin(){
-		super(ResourceRegistryRegistryPlugin.class.getSimpleName());
+		super(Constants.SERVICE_ENTRY_NAME);
 	}
 	
 	@Override
 	public String namespace() {
-		// TODO Auto-generated method stub
 		return null;
 	}
 
@@ -37,27 +37,18 @@ public class ResourceRegistryRegistryPlugin extends AbstractPlugin<EndpointRefer
 		}
 		
 		return fault;
-
 	}
 
-	/* (non-Javadoc)
-	 * @see org.gcube.common.clients.delegates.ProxyPlugin#resolve(java.lang.Object, org.gcube.common.clients.config.ProxyConfig)
-	 */
 	@Override
 	public EndpointReference resolve(EndpointReference address,
 			ProxyConfig<?, ?> config) throws Exception {
-		// TODO Auto-generated method stub
+		return address;
-		return null;
 	}
 
-	/* (non-Javadoc)
-	 * @see org.gcube.common.clients.delegates.ProxyPlugin#newProxy(org.gcube.common.clients.delegates.ProxyDelegate)
-	 */
 	@Override
-	public ResourceRegistryPublisher newProxy(
+	public ResourceRegistryPublisherImpl newProxy(
 			ProxyDelegate<EndpointReference> delegate) {
-		// TODO Auto-generated method stub
+		return new ResourceRegistryPublisherImpl(delegate);
-		return null;
 	}
 
 	

src/main/java/org/gcube/informationsystem/resourceregistry/publisher/proxy/JaxRSEndpointReference.java

@@ -0,0 +1,63 @@
+/**
+ * 
+ */
+package org.gcube.informationsystem.resourceregistry.publisher.proxy;
+
+import java.io.StringReader;
+import java.io.StringWriter;
+import javax.xml.parsers.DocumentBuilderFactory;
+import javax.xml.transform.stream.StreamResult;
+import javax.xml.ws.EndpointReference;
+import org.w3c.dom.Document;
+import org.w3c.dom.NodeList;
+import org.xml.sax.InputSource;
+
+class JaxRSEndpointReference {
+
+	private static final DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
+
+	private static final String addressLocalName = "Address";
+	//private static final String keyLocalName = "ResourceKey";
+
+	String address;
+	//Element key;
+
+	static {
+		factory.setNamespaceAware(true);
+	}
+
+	public JaxRSEndpointReference(EndpointReference reference) {
+		this(serialise(reference));
+	}
+
+	public JaxRSEndpointReference(String reference) {
+
+		try {
+
+			Document document = factory.newDocumentBuilder().parse(new InputSource(new StringReader(reference)));
+
+			NodeList addresses = document.getElementsByTagNameNS("*", addressLocalName);
+
+			if (addresses.getLength() == 0)
+				throw new RuntimeException("reference does not contain an address");
+
+			address = addresses.item(0).getTextContent();
+
+		} catch (Exception e) {
+			throw new IllegalArgumentException("reference is not a gCore reference", e);
+		}
+
+	}
+
+	@Override
+	public String toString() {
+		return address;
+	}
+
+	// helper
+	private static String serialise(EndpointReference reference) {
+		StringWriter writer = new StringWriter();
+		reference.writeTo(new StreamResult(writer));
+		return writer.toString();
+	}
+}

src/main/java/org/gcube/informationsystem/resourceregistry/publisher/proxy/ResourceRegistryPublisher.java

@@ -1,462 +0,0 @@
-/**
- * 
- */
-package org.gcube.informationsystem.resourceregistry.publisher.proxy;
-
-import javax.xml.ws.EndpointReference;
-
-import org.gcube.common.clients.Call;
-import org.gcube.common.clients.delegates.AsyncProxyDelegate;
-import org.gcube.common.clients.delegates.ProxyDelegate;
-import org.gcube.common.clients.exceptions.ServiceException;
-import org.gcube.informationsystem.resourceregistry.api.ContextManagement;
-import org.gcube.informationsystem.resourceregistry.api.EntityManagement;
-import org.gcube.informationsystem.resourceregistry.api.SchemaManagement;
-import org.gcube.informationsystem.resourceregistry.api.exceptions.ResourceRegistryException;
-import org.gcube.informationsystem.resourceregistry.api.exceptions.context.ContextCreationException;
-import org.gcube.informationsystem.resourceregistry.api.exceptions.context.ContextException;
-import org.gcube.informationsystem.resourceregistry.api.exceptions.context.ContextNotFoundException;
-import org.gcube.informationsystem.resourceregistry.api.exceptions.entity.FacetNotFoundException;
-import org.gcube.informationsystem.resourceregistry.api.exceptions.entity.ResourceNotFoundException;
-import org.gcube.informationsystem.resourceregistry.api.exceptions.schema.SchemaException;
-import org.gcube.informationsystem.resourceregistry.api.exceptions.schema.SchemaNotFoundException;
-
-/**
- * @author Luca Frosini (ISTI - CNR) http://www.lucafrosini.com/
- */
-public class ResourceRegistryPublisher implements ContextManagement, SchemaManagement, EntityManagement {
-	
-	private final AsyncProxyDelegate<EndpointReference> delegate;
-
-	public ResourceRegistryPublisher(ProxyDelegate<EndpointReference> config) {
-		this.delegate = new AsyncProxyDelegate<EndpointReference>(config);
-	}
-
-	@Override
-	public String createFacet(String facetType, String jsonRepresentation)
-			throws ResourceRegistryException {
-		Call<EndpointReference, String> call = new Call<EndpointReference, String>() {
-			
-			public String call(EndpointReference endpoint) throws Exception {
-				// TODO 
-				return null;
-			};
-			
-		};
-		
-		try {
-			return delegate.make(call);
-		} catch (Exception e) {
-			throw new ServiceException(e);
-		}
-	}
-
-	@Override
-	public String readFacet(String uuid) throws FacetNotFoundException {
-		// TODO Auto-generated method stub
-		return null;
-	}
-
-	@Override
-	public String updateFacet(String uuid, String jsonRepresentation)
-			throws FacetNotFoundException, ResourceRegistryException {
-		// TODO Auto-generated method stub
-		return null;
-	}
-
-	@Override
-	public boolean deleteFacet(String uuid) throws FacetNotFoundException,
-			ResourceRegistryException {
-		// TODO Auto-generated method stub
-		return false;
-	}
-
-	@Override
-	public String createResource(String resourceType, String jsonRepresentation)
-			throws ResourceRegistryException {
-		// TODO Auto-generated method stub
-		return null;
-	}
-
-	@Override
-	public String readResource(String uuid) throws ResourceNotFoundException {
-		// TODO Auto-generated method stub
-		return null;
-	}
-
-	@Override
-	public boolean deleteResource(String uuid)
-			throws ResourceNotFoundException, ResourceRegistryException {
-		// TODO Auto-generated method stub
-		return false;
-	}
-
-	@Override
-	public String registerFacetSchema(String jsonSchema) {
-		// TODO Auto-generated method stub
-		return null;
-	}
-
-	@Override
-	public String getFacetSchema(String facetType)
-			throws SchemaNotFoundException {
-		// TODO Auto-generated method stub
-		return null;
-	}
-
-	@Override
-	public String registerResourceSchema(String jsonSchema) {
-		// TODO Auto-generated method stub
-		return null;
-	}
-
-	@Override
-	public String getResourceSchema(String resourceType)
-			throws SchemaNotFoundException {
-		// TODO Auto-generated method stub
-		return null;
-	}
-
-	@Override
-	public String create(final String parentContextUUID,final String jsonRepresentation)
-			throws ContextCreationException {
-		// TODO Auto-generated method stub
-		return null;
-	}
-
-	@Override
-	public String rename(String contextUUID, String newName)
-			throws ContextNotFoundException, ContextException {
-		// TODO Auto-generated method stub
-		return null;
-	}
-
-	@Override
-	public String move(String newParentUUID, String contextToMoveUUID)
-			throws ContextNotFoundException, ContextException {
-		// TODO Auto-generated method stub
-		return null;
-	}
-
-	@Override
-	public String delete(String uuid) throws ContextNotFoundException,
-			ContextException {
-		// TODO Auto-generated method stub
-		return null;
-	}
-
-	/* (non-Javadoc)
-	 * @see org.gcube.informationsystem.resourceregistry.api.EntityManagement#readFacet(java.lang.String, java.lang.String)
-	 */
-	@Override
-	public String readFacet(String uuid, String facetType)
-			throws FacetNotFoundException, ResourceRegistryException {
-		// TODO Auto-generated method stub
-		return null;
-	}
-
-	/* (non-Javadoc)
-	 * @see org.gcube.informationsystem.resourceregistry.api.EntityManagement#readResource(java.lang.String, java.lang.String)
-	 */
-	@Override
-	public String readResource(String uuid, String resourceType)
-			throws ResourceNotFoundException, ResourceRegistryException {
-		// TODO Auto-generated method stub
-		return null;
-	}
-
-	/* (non-Javadoc)
-	 * @see org.gcube.informationsystem.resourceregistry.api.EntityManagement#attachFacet(java.lang.String, java.lang.String, java.lang.String, java.lang.String)
-	 */
-	@Override
-	public String attachFacet(String resourceUUID, String facetUUID,
-			String consistOfType, String jsonProperties)
-			throws FacetNotFoundException, ResourceNotFoundException,
-			ResourceRegistryException {
-		// TODO Auto-generated method stub
-		return null;
-	}
-
-	/* (non-Javadoc)
-	 * @see org.gcube.informationsystem.resourceregistry.api.EntityManagement#detachFacet(java.lang.String)
-	 */
-	@Override
-	public boolean detachFacet(String consistOfUUID)
-			throws ResourceRegistryException {
-		// TODO Auto-generated method stub
-		return false;
-	}
-
-	/* (non-Javadoc)
-	 * @see org.gcube.informationsystem.resourceregistry.api.EntityManagement#attachResource(java.lang.String, java.lang.String, java.lang.String, java.lang.String)
-	 */
-	@Override
-	public String attachResource(String sourceResourceUUID,
-			String targetResourceUUID, String relatedToType,
-			String jsonProperties) throws ResourceNotFoundException,
-			ResourceRegistryException {
-		// TODO Auto-generated method stub
-		return null;
-	}
-
-	/* (non-Javadoc)
-	 * @see org.gcube.informationsystem.resourceregistry.api.EntityManagement#detachResource(java.lang.String)
-	 */
-	@Override
-	public boolean detachResource(String relatedToUUID)
-			throws ResourceRegistryException {
-		// TODO Auto-generated method stub
-		return false;
-	}
-
-	/* (non-Javadoc)
-	 * @see org.gcube.informationsystem.resourceregistry.api.SchemaManagement#registerEntitySchema(java.lang.String)
-	 */
-	@Override
-	public String registerEntitySchema(String jsonSchema)
-			throws SchemaException {
-		// TODO Auto-generated method stub
-		return null;
-	}
-
-	/* (non-Javadoc)
-	 * @see org.gcube.informationsystem.resourceregistry.api.SchemaManagement#getEntitySchema(java.lang.String)
-	 */
-	@Override
-	public String getEntitySchema(String entityType)
-			throws SchemaNotFoundException {
-		// TODO Auto-generated method stub
-		return null;
-	}
-
-	/* (non-Javadoc)
-	 * @see org.gcube.informationsystem.resourceregistry.api.SchemaManagement#updateEntitySchema(java.lang.String, java.lang.String)
-	 */
-	@Override
-	public String updateEntitySchema(String entityType, String jsonSchema)
-			throws SchemaNotFoundException, SchemaException {
-		// TODO Auto-generated method stub
-		return null;
-	}
-
-	/* (non-Javadoc)
-	 * @see org.gcube.informationsystem.resourceregistry.api.SchemaManagement#deleteEntitySchema(java.lang.String)
-	 */
-	@Override
-	public String deleteEntitySchema(String entityType)
-			throws SchemaNotFoundException {
-		// TODO Auto-generated method stub
-		return null;
-	}
-
-	/* (non-Javadoc)
-	 * @see org.gcube.informationsystem.resourceregistry.api.SchemaManagement#updateFacetSchema(java.lang.String, java.lang.String)
-	 */
-	@Override
-	public String updateFacetSchema(String facetType, String jsonSchema)
-			throws SchemaNotFoundException, SchemaException {
-		// TODO Auto-generated method stub
-		return null;
-	}
-
-	/* (non-Javadoc)
-	 * @see org.gcube.informationsystem.resourceregistry.api.SchemaManagement#deleteFacetSchema(java.lang.String)
-	 */
-	@Override
-	public String deleteFacetSchema(String facetType)
-			throws SchemaNotFoundException {
-		// TODO Auto-generated method stub
-		return null;
-	}
-
-	/* (non-Javadoc)
-	 * @see org.gcube.informationsystem.resourceregistry.api.SchemaManagement#updateResourceSchema(java.lang.String, java.lang.String)
-	 */
-	@Override
-	public String updateResourceSchema(String resourceType, String jsonSchema)
-			throws SchemaNotFoundException, SchemaException {
-		// TODO Auto-generated method stub
-		return null;
-	}
-
-	/* (non-Javadoc)
-	 * @see org.gcube.informationsystem.resourceregistry.api.SchemaManagement#deleteResourceSchema(java.lang.String)
-	 */
-	@Override
-	public String deleteResourceSchema(String resourceType)
-			throws SchemaNotFoundException {
-		// TODO Auto-generated method stub
-		return null;
-	}
-
-	/* (non-Javadoc)
-	 * @see org.gcube.informationsystem.resourceregistry.api.SchemaManagement#registerEmbeddedTypeSchema(java.lang.String)
-	 */
-	@Override
-	public String registerEmbeddedTypeSchema(String jsonSchema)
-			throws SchemaException {
-		// TODO Auto-generated method stub
-		return null;
-	}
-
-	/* (non-Javadoc)
-	 * @see org.gcube.informationsystem.resourceregistry.api.SchemaManagement#getEmbeddedTypeSchema(java.lang.String)
-	 */
-	@Override
-	public String getEmbeddedTypeSchema(String embeddedType)
-			throws SchemaNotFoundException {
-		// TODO Auto-generated method stub
-		return null;
-	}
-
-	/* (non-Javadoc)
-	 * @see org.gcube.informationsystem.resourceregistry.api.SchemaManagement#updateEmbeddedTypeSchema(java.lang.String, java.lang.String)
-	 */
-	@Override
-	public String updateEmbeddedTypeSchema(String embeddedType,
-			String jsonSchema) throws SchemaNotFoundException, SchemaException {
-		// TODO Auto-generated method stub
-		return null;
-	}
-
-	/* (non-Javadoc)
-	 * @see org.gcube.informationsystem.resourceregistry.api.SchemaManagement#deleteEmbeddedTypeSchema(java.lang.String)
-	 */
-	@Override
-	public String deleteEmbeddedTypeSchema(String embeddedType)
-			throws SchemaNotFoundException {
-		// TODO Auto-generated method stub
-		return null;
-	}
-
-	/* (non-Javadoc)
-	 * @see org.gcube.informationsystem.resourceregistry.api.SchemaManagement#registerRelationSchema(java.lang.String)
-	 */
-	@Override
-	public String registerRelationSchema(String jsonSchema)
-			throws SchemaException {
-		// TODO Auto-generated method stub
-		return null;
-	}
-
-	/* (non-Javadoc)
-	 * @see org.gcube.informationsystem.resourceregistry.api.SchemaManagement#getRelationSchema(java.lang.String)
-	 */
-	@Override
-	public String getRelationSchema(String relationType)
-			throws SchemaNotFoundException {
-		// TODO Auto-generated method stub
-		return null;
-	}
-
-	/* (non-Javadoc)
-	 * @see org.gcube.informationsystem.resourceregistry.api.SchemaManagement#updateRelationSchema(java.lang.String, java.lang.String)
-	 */
-	@Override
-	public String updateRelationSchema(String relationType, String jsonSchema)
-			throws SchemaNotFoundException, SchemaException {
-		// TODO Auto-generated method stub
-		return null;
-	}
-
-	/* (non-Javadoc)
-	 * @see org.gcube.informationsystem.resourceregistry.api.SchemaManagement#deleteRelationSchema(java.lang.String)
-	 */
-	@Override
-	public String deleteRelationSchema(String relationType)
-			throws SchemaNotFoundException {
-		// TODO Auto-generated method stub
-		return null;
-	}
-
-	/* (non-Javadoc)
-	 * @see org.gcube.informationsystem.resourceregistry.api.SchemaManagement#registerConsistOfSchema(java.lang.String)
-	 */
-	@Override
-	public String registerConsistOfSchema(String jsonSchema)
-			throws SchemaException {
-		// TODO Auto-generated method stub
-		return null;
-	}
-
-	/* (non-Javadoc)
-	 * @see org.gcube.informationsystem.resourceregistry.api.SchemaManagement#getConsistOfSchema(java.lang.String)
-	 */
-	@Override
-	public String getConsistOfSchema(String consistOfType)
-			throws SchemaNotFoundException {
-		// TODO Auto-generated method stub
-		return null;
-	}
-
-	/* (non-Javadoc)
-	 * @see org.gcube.informationsystem.resourceregistry.api.SchemaManagement#updateConsistOfSchema(java.lang.String, java.lang.String)
-	 */
-	@Override
-	public String updateConsistOfSchema(String consistOfType, String jsonSchema)
-			throws SchemaNotFoundException, SchemaException {
-		// TODO Auto-generated method stub
-		return null;
-	}
-
-	/* (non-Javadoc)
-	 * @see org.gcube.informationsystem.resourceregistry.api.SchemaManagement#deleteConsistOfSchema(java.lang.String)
-	 */
-	@Override
-	public String deleteConsistOfSchema(String consistOfType)
-			throws SchemaException {
-		// TODO Auto-generated method stub
-		return null;
-	}
-
-	/* (non-Javadoc)
-	 * @see org.gcube.informationsystem.resourceregistry.api.SchemaManagement#registerRelatedToSchema(java.lang.String)
-	 */
-	@Override
-	public String registerRelatedToSchema(String jsonSchema)
-			throws SchemaException {
-		// TODO Auto-generated method stub
-		return null;
-	}
-
-	/* (non-Javadoc)
-	 * @see org.gcube.informationsystem.resourceregistry.api.SchemaManagement#getRelatedToSchema(java.lang.String)
-	 */
-	@Override
-	public String getRelatedToSchema(String relatedToType)
-			throws SchemaNotFoundException {
-		// TODO Auto-generated method stub
-		return null;
-	}
-
-	/* (non-Javadoc)
-	 * @see org.gcube.informationsystem.resourceregistry.api.SchemaManagement#updateRelatedToSchema(java.lang.String, java.lang.String)
-	 */
-	@Override
-	public String updateRelatedToSchema(String relatedToType, String jsonSchema)
-			throws SchemaNotFoundException, SchemaException {
-		// TODO Auto-generated method stub
-		return null;
-	}
-
-	/* (non-Javadoc)
-	 * @see org.gcube.informationsystem.resourceregistry.api.SchemaManagement#deleteRelatedToSchema(java.lang.String)
-	 */
-	@Override
-	public String deleteRelatedToSchema(String relatedToType)
-			throws SchemaException {
-		// TODO Auto-generated method stub
-		return null;
-	}
-
-	/* (non-Javadoc)
-	 * @see org.gcube.informationsystem.resourceregistry.api.ContextManagement#read(java.lang.String)
-	 */
-	@Override
-	public String read(String contextUUID) throws ContextNotFoundException,
-			ContextException {
-		// TODO Auto-generated method stub
-		return null;
-	}
-
-}

src/main/java/org/gcube/informationsystem/resourceregistry/publisher/proxy/ResourceRegistryPublisherFactory.java

@@ -0,0 +1,17 @@
+package org.gcube.informationsystem.resourceregistry.publisher.proxy;
+
+
+public class ResourceRegistryPublisherFactory {
+
+	private static ResourceRegistryPublisher singleton = new ResourceRegistryPublisherImpl();
+	
+	public static ResourceRegistryPublisher create(){
+		return singleton;
+	}
+
+	
+	public static void setPublisher(ResourceRegistryPublisher registryPublisher){
+		singleton = registryPublisher;
+	}
+
+}

src/main/java/org/gcube/informationsystem/resourceregistry/publisher/proxy/ResourceRegistryPublisherImpl.java

@@ -0,0 +1,192 @@
+package org.gcube.informationsystem.resourceregistry.publisher.proxy;
+
+import java.net.HttpURLConnection;
+import java.net.MalformedURLException;
+import java.net.URI;
+import java.net.URL;
+import java.util.List;
+import java.util.Map;
+import java.util.Random;
+
+import org.gcube.common.authorization.client.Constants;
+import org.gcube.common.authorization.library.AuthorizationEntry;
+import org.gcube.common.authorization.library.provider.SecurityTokenProvider;
+import org.gcube.common.resources.gcore.GCoreEndpoint;
+import org.gcube.common.resources.gcore.GCoreEndpoint.Profile.Endpoint;
+import org.gcube.common.scope.api.ScopeProvider;
+import org.gcube.informationsystem.impl.utils.Entities;
+import org.gcube.informationsystem.model.embedded.Embedded;
+import org.gcube.informationsystem.model.entity.Facet;
+import org.gcube.informationsystem.model.entity.Resource;
+import org.gcube.informationsystem.model.relation.ConsistsOf;
+import org.gcube.informationsystem.model.relation.IsRelatedTo;
+import org.gcube.informationsystem.resourceregistry.api.rest.EntityPath;
+import org.gcube.resources.discovery.client.api.DiscoveryClient;
+import org.gcube.resources.discovery.client.queries.api.SimpleQuery;
+import org.gcube.resources.discovery.icclient.ICFactory;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+
+public class ResourceRegistryPublisherImpl implements ResourceRegistryPublisher {
+
+	private static final Logger logger = LoggerFactory.getLogger(ResourceRegistryPublisher.class);
+	
+	private static final Random random;
+	
+	protected final List<GCoreEndpoint> endpoints;
+	
+	static {
+		random = new Random();
+	}
+	
+	protected static List<GCoreEndpoint> getServiceEndpoint(){
+		SimpleQuery query = ICFactory.queryFor(GCoreEndpoint.class);
+		query.addCondition(String.format("$resource/Profile/ServiceClass/text() eq '%s'", org.gcube.informationsystem.resourceregistry.Constants.SERVICE_CLASS));
+		query.addCondition(String.format("$resource/Profile/ServiceName/text() eq '%s'", org.gcube.informationsystem.resourceregistry.Constants.SERVICE_NAME));
+		query.setResult("$resource");
+		
+		DiscoveryClient<GCoreEndpoint> client = ICFactory.clientFor(GCoreEndpoint.class);
+		return client.submit(query);
+	}
+	
+	protected ResourceRegistryPublisherImpl(){
+		this.endpoints = getServiceEndpoint();
+	};
+	
+	private static int randInt(int min, int max) {
+		int randomNum = random.nextInt((max - min) + 1) + min;
+	    return randomNum;
+	}
+	
+	protected URL getBaseURL() throws MalformedURLException {
+		GCoreEndpoint gCoreEndpoint = endpoints.get(randInt(0, endpoints.size()-1));
+		Endpoint endpoint = gCoreEndpoint.profile().endpointMap().get(org.gcube.informationsystem.resourceregistry.Constants.SERVICE_ENTRY_NAME);
+		return endpoint.uri().toURL();
+	}
+	
+	protected AuthorizationEntry getAuthorizationEntry() {
+		try{
+			AuthorizationEntry info = Constants.authorizationService().get(SecurityTokenProvider.instance.get());
+			logger.info("Context is {} ",info.getContext());
+			return info;
+		}catch(Exception e){
+			String error = "Error retreiving security token";
+			logger.warn(error,e);
+			throw new RuntimeException(error,e);
+		}
+	}
+	
+	private HttpURLConnection makeRequest(URL url, String method) throws Exception{
+		HttpURLConnection connection = (HttpURLConnection) url.openConnection();
+		if (SecurityTokenProvider.instance.get()==null) {
+			if(ScopeProvider.instance.get()==null){
+				throw new RuntimeException("Null Token and Scope. Please set your token first.");
+			}
+			connection.setRequestProperty("gcube-scope", ScopeProvider.instance.get());
+		}else{
+			connection.setRequestProperty(Constants.TOKEN_HEADER_ENTRY, SecurityTokenProvider.instance.get());
+		}
+		connection.setRequestMethod(method);
+		connection.setDoOutput(true);
+		return connection;
+	}
+	
+	protected HttpURLConnection getHttpURLConnection(String path, String method, Map<String,String> paramenter) throws Exception {
+		URL url = new URL(getBaseURL(), path);
+		HttpURLConnection connection = makeRequest(url, method);
+		return connection;
+	}
+
+	@Override
+	public <E extends Embedded> E createEmbedded(E embedded) {
+		return null;
+	}
+
+	@Override
+	public <E extends Embedded> E updateEmbedded(E embedded) {
+		// TODO Auto-generated method stub
+		return null;
+	}
+
+	@Override
+	public <E extends Embedded> E deleteEmbedded(E embedded) {
+		// TODO Auto-generated method stub
+		return null;
+	}
+
+
+	@Override
+	public <F extends Facet> F createFacet(F facet) {
+		String marshalledFacet = Entities.marshal(facet);
+		String path = EntityPath.ENTITY_PATH_PART + "/" + EntityPath.FACET_PATH_PART + "/" + facet.NAME + "?" + EntityPath.DEFINITION_PARAM + "=" + marshalledFacet;
+		HttpURLConnection connection =  getHttpURLConnection(path,);			
+		
+		// TODO Auto-generated method stub
+		return null;
+	}
+
+	@Override
+	public <F extends Facet> F updateFacet(F facet) {
+		// TODO Auto-generated method stub
+		return null;
+	}
+
+	@Override
+	public <F extends Facet> F deleteFacet(F facet) {
+		// TODO Auto-generated method stub
+		return null;
+	}
+
+	@Override
+	public <R extends Resource> R createResource(R resource) {
+		// TODO Auto-generated method stub
+		return null;
+	}
+
+	@Override
+	public <R extends Resource> R deleteResource(R resource) {
+		// TODO Auto-generated method stub
+		return null;
+	}
+
+	@Override
+	public <C extends ConsistsOf<Resource, Facet>> C createConsistsOf(
+			C consistsOf) {
+		// TODO Auto-generated method stub
+		return null;
+	}
+
+	@Override
+	public <C extends ConsistsOf<Resource, Facet>> C updateConsistsOf(
+			C consistsOf) {
+		// TODO Auto-generated method stub
+		return null;
+	}
+
+	@Override
+	public <C extends ConsistsOf<Resource, Facet>> C deleteConsistsOf(
+			C consistsOf) {
+		// TODO Auto-generated method stub
+		return null;
+	}
+
+	@Override
+	public <I extends IsRelatedTo<Resource, Resource>> I create(I isRelatedTo) {
+		// TODO Auto-generated method stub
+		return null;
+	}
+
+	@Override
+	public <I extends IsRelatedTo<Resource, Resource>> I update(I isRelatedTo) {
+		// TODO Auto-generated method stub
+		return null;
+	}
+
+	@Override
+	public <I extends IsRelatedTo<Resource, Resource>> I delete(I isRelatedTo) {
+		// TODO Auto-generated method stub
+		return null;
+	}
+
+}