svn commit: r1408798 [6/7] - in /airavata/trunk/modules/airavata-rest-services: ./ src/ src/main/ src/main/java/ src/main/java/org/ src/main/java/org/apache/ src/main/java/org/apache/airavata/ src/main/java/org/apache/airavata/services/ src/main/java/o...

[ch...@apache.org]

Added: airavata/trunk/modules/airavata-rest-services/src/main/java/org/apache/airavata/services/registry/rest/resources/RegistryResource.java
URL: http://svn.apache.org/viewvc/airavata/trunk/modules/airavata-rest-services/src/main/java/org/apache/airavata/services/registry/rest/resources/RegistryResource.java?rev=1408798&view=auto
==============================================================================
--- airavata/trunk/modules/airavata-rest-services/src/main/java/org/apache/airavata/services/registry/rest/resources/RegistryResource.java (added)
+++ airavata/trunk/modules/airavata-rest-services/src/main/java/org/apache/airavata/services/registry/rest/resources/RegistryResource.java Tue Nov 13 15:52:16 2012
@@ -0,0 +1,2637 @@
+package org.apache.airavata.services.registry.rest.resources;
+
+import org.apache.airavata.commons.gfac.type.ApplicationDeploymentDescription;
+import org.apache.airavata.commons.gfac.type.HostDescription;
+import org.apache.airavata.commons.gfac.type.ServiceDescription;
+import org.apache.airavata.registry.api.*;
+import org.apache.airavata.registry.api.exception.RegistryException;
+import org.apache.airavata.registry.api.exception.gateway.*;
+import org.apache.airavata.registry.api.exception.worker.*;
+import org.apache.airavata.registry.api.impl.ExperimentDataImpl;
+import org.apache.airavata.registry.api.workflow.*;
+import org.apache.airavata.services.registry.rest.resourcemappings.*;
+import org.apache.airavata.services.registry.rest.utils.DescriptorUtil;
+import org.apache.airavata.services.registry.rest.utils.RestServicesConstants;
+
+import javax.servlet.ServletContext;
+import javax.ws.rs.*;
+import javax.ws.rs.core.Context;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.Response;
+import java.net.URI;
+import java.text.DateFormat;
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.List;
+import java.util.Map;
+
+
+/**
+ * RegistryResource for REST interface of Registry API
+ *
+ */
+@Path("/registry/api")
+//public class RegistryResource implements ConfigurationRegistryService,
+//        ProjectsRegistryService, ProvenanceRegistryService, UserWorkflowRegistryService,
+//        PublishedWorkflowRegistryService, DescriptorRegistryService{
+public class RegistryResource {
+    private AiravataRegistry2 airavataRegistry;
+
+    @Context
+    ServletContext context;
+
+    public String getVersion() {
+        return null;
+    }
+
+    /**
+     * ---------------------------------Configuration Registry----------------------------------*
+     */
+
+    @Path("/configuration")
+    @GET
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response getConfiguration(@QueryParam("key") String key) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            Object configuration = airavataRegistry.getConfiguration(key);
+            if (configuration != null) {
+                Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+                builder.entity(configuration);
+                return builder.build();
+            } else {
+                Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+                return builder.build();
+            }
+        } catch (Exception e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        }
+
+    }
+
+
+    @GET
+    @Path("/configurationlist")
+    @Produces({MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON})
+    public Response getConfigurationList(@QueryParam("key") String key) {
+        try {
+            airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+            List<Object> configurationList = airavataRegistry.getConfigurationList(key);
+            ConfigurationList list = new ConfigurationList();
+            Object[] configValList = new Object[configurationList.size()];
+            for (int i = 0; i < configurationList.size(); i++) {
+                configValList[i] = configurationList.get(i);
+            }
+            list.setConfigValList(configValList);
+            if (configurationList.size() != 0) {
+                Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+                builder.entity(list);
+                return builder.build();
+            } else {
+                Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+                return builder.build();
+            }
+        } catch (Exception e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        }
+    }
+
+
+    @POST
+    @Path("save/configuration")
+    @Produces(MediaType.TEXT_PLAIN)
+    @Consumes(MediaType.APPLICATION_FORM_URLENCODED)
+    public Response setConfiguration(@FormParam("key") String key,
+                                     @FormParam("value") String value,
+                                     @FormParam("date") String date) {
+        try {
+            DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
+            Date formattedDate = dateFormat.parse(date);
+            airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+            airavataRegistry.setConfiguration(key, value, formattedDate);
+            Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+            return builder.build();
+        } catch (Exception e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        }
+    }
+
+    @POST
+    @Path("update/configuration")
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response addConfiguration(@FormParam("key") String key,
+                                     @FormParam("value") String value,
+                                     @FormParam("date") String date) {
+        try {
+            DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
+            Date formattedDate = dateFormat.parse(date);
+            airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+            airavataRegistry.addConfiguration(key, value, formattedDate);
+            Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+            return builder.build();
+        } catch (Exception e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        }
+    }
+
+    @DELETE
+    @Path("delete/allconfiguration")
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response removeAllConfiguration(@QueryParam("key") String key) {
+        try {
+            airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+            airavataRegistry.removeAllConfiguration(key);
+            Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+            return builder.build();
+        } catch (Exception e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        }
+    }
+
+    @DELETE
+    @Path("delete/configuration")
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response removeConfiguration(@QueryParam("key") String key, @QueryParam("value") String value) {
+        try {
+            airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+            airavataRegistry.removeConfiguration(key, value);
+            Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+            return builder.build();
+        } catch (Exception e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        }
+    }
+
+    @GET
+    @Path("gfac/urilist")
+    @Produces({MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON})
+    public Response getGFacURIs() {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            List<URI> uris = airavataRegistry.getGFacURIs();
+            URLList list = new URLList();
+            String[] urs = new String[uris.size()];
+            for (int i = 0; i < uris.size(); i++) {
+                urs[i] = uris.get(i).toString();
+            }
+            list.setUris(urs);
+            if (urs.length != 0) {
+                Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+                builder.entity(list);
+                return builder.build();
+            } else {
+                Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+                return builder.build();
+            }
+        } catch (Exception e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        }
+    }
+
+
+    @GET
+    @Path("workflowinterpreter/urilist")
+    @Produces({MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON})
+    public Response getWorkflowInterpreterURIs() {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            List<URI> uris = airavataRegistry.getWorkflowInterpreterURIs();
+            URLList list = new URLList();
+            String[] urs = new String[uris.size()];
+            for (int i = 0; i < uris.size(); i++) {
+                urs[i] = uris.get(i).toString();
+            }
+            list.setUris(urs);
+            if (urs.length != 0) {
+                Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+                builder.entity(list);
+                return builder.build();
+            } else {
+                Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+                return builder.build();
+            }
+        } catch (Exception e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        }
+    }
+
+    @GET
+    @Path("eventingservice/uri")
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response getEventingServiceURI() {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            URI eventingServiceURI = airavataRegistry.getEventingServiceURI();
+            if (eventingServiceURI != null) {
+                Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+                builder.entity(eventingServiceURI.toString());
+                return builder.build();
+            } else {
+                Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+                return builder.build();
+            }
+        } catch (Exception e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        }
+    }
+
+    @GET
+    @Path("messagebox/uri")
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response getMessageBoxURI() {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            URI eventingServiceURI = airavataRegistry.getMessageBoxURI();
+            if (eventingServiceURI != null) {
+                Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+                builder.entity(eventingServiceURI.toString());
+                return builder.build();
+            } else {
+                Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+                return builder.build();
+            }
+        } catch (Exception e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        }
+    }
+
+    @POST
+    @Path("add/gfacuri")
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response addGFacURI(@FormParam("uri") String uri) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            URI gfacURI = new URI(uri);
+            airavataRegistry.addGFacURI(gfacURI);
+            Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+            return builder.build();
+        } catch (Exception e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        }
+    }
+
+    @POST
+    @Path("add/workflowinterpreteruri")
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response addWorkflowInterpreterURI(@FormParam("uri") String uri) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            URI interpreterURI = new URI(uri);
+            airavataRegistry.addWorkflowInterpreterURI(interpreterURI);
+            Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+            return builder.build();
+        } catch (Exception e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        }
+    }
+
+    @POST
+    @Path("add/eventinguri")
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response setEventingURI(@FormParam("uri") String uri) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            URI eventingURI = new URI(uri);
+            airavataRegistry.setEventingURI(eventingURI);
+            Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+            return builder.build();
+        } catch (Exception e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        }
+    }
+
+    @POST
+    @Path("add/msgboxuri")
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response setMessageBoxURI(@FormParam("uri") String uri) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            URI msgBoxURI = new URI(uri);
+            airavataRegistry.setMessageBoxURI(msgBoxURI);
+            Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+            return builder.build();
+        } catch (Exception e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        }
+    }
+
+    @POST
+    @Path("add/gfacuri/date")
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response addGFacURIByDate(@FormParam("uri") String uri, @FormParam("date") String date) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
+            Date formattedDate = dateFormat.parse(date);
+            URI gfacURI = new URI(uri);
+            airavataRegistry.addGFacURI(gfacURI, formattedDate);
+            Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+            return builder.build();
+        } catch (Exception e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        }
+    }
+
+    @POST
+    @Path("add/workflowinterpreteruri/date")
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response addWorkflowInterpreterURI(@FormParam("uri") String uri, @FormParam("date") String date) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
+            Date formattedDate = dateFormat.parse(date);
+            URI interpreterURI = new URI(uri);
+            airavataRegistry.addWorkflowInterpreterURI(interpreterURI, formattedDate);
+            Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+            return builder.build();
+        } catch (Exception e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        }
+    }
+
+    @POST
+    @Path("add/eventinguri/date")
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response setEventingURIByDate(@FormParam("uri") String uri, @FormParam("date") String date) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
+            Date formattedDate = dateFormat.parse(date);
+            URI eventingURI = new URI(uri);
+            airavataRegistry.setEventingURI(eventingURI, formattedDate);
+            Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+            return builder.build();
+        } catch (Exception e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        }
+    }
+
+    @POST
+    @Path("add/msgboxuri/date")
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response setMessageBoxURIByDate(@FormParam("uri") String uri, @FormParam("date") String date) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
+            Date formattedDate = dateFormat.parse(date);
+            URI msgBoxURI = new URI(uri);
+            airavataRegistry.setMessageBoxURI(msgBoxURI, formattedDate);
+            Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+            return builder.build();
+        } catch (Exception e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        }
+    }
+
+    @DELETE
+    @Path("delete/gfacuri")
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response removeGFacURI(@QueryParam("uri") String uri) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            URI gfacURI = new URI(uri);
+            airavataRegistry.removeGFacURI(gfacURI);
+            Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+            return builder.build();
+        } catch (Exception e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        }
+    }
+
+    @DELETE
+    @Path("delete/allgfacuris")
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response removeAllGFacURI() {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            airavataRegistry.removeAllGFacURI();
+            Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+            return builder.build();
+        } catch (Exception e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        }
+    }
+
+    @DELETE
+    @Path("delete/workflowinterpreteruri")
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response removeWorkflowInterpreterURI(@QueryParam("uri") String uri) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            URI intURI = new URI(uri);
+            airavataRegistry.removeWorkflowInterpreterURI(intURI);
+            Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+            return builder.build();
+        } catch (Exception e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        }
+    }
+
+    @DELETE
+    @Path("delete/allworkflowinterpreteruris")
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response removeAllWorkflowInterpreterURI() {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            airavataRegistry.removeAllWorkflowInterpreterURI();
+            Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+            return builder.build();
+        } catch (Exception e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        }
+    }
+
+    @DELETE
+    @Path("delete/eventinguri")
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response unsetEventingURI() {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            airavataRegistry.unsetEventingURI();
+            Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+            return builder.build();
+        } catch (Exception e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        }
+    }
+
+    @DELETE
+    @Path("delete/msgboxuri")
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response unsetMessageBoxURI() {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            airavataRegistry.unsetMessageBoxURI();
+            Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+            return builder.build();
+        } catch (Exception e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        }
+    }
+
+
+    /**
+     * ---------------------------------Descriptor Registry----------------------------------*
+     */
+
+
+    @GET
+    @Path("hostdescriptor/exist")
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response isHostDescriptorExists(@QueryParam("descriptorName") String descriptorName) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        boolean state;
+        try {
+            state = airavataRegistry.isHostDescriptorExists(descriptorName);
+            if (state) {
+                Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+                builder.entity("True");
+                return builder.build();
+            } else {
+                Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+                return builder.build();
+            }
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        }
+    }
+
+    @POST
+    @Path("hostdescriptor/save/test")
+    @Produces(MediaType.TEXT_PLAIN)
+    @Consumes(MediaType.APPLICATION_FORM_URLENCODED)
+    public Response addHostDescriptor(@FormParam("hostName") String hostName,
+                                      @FormParam("hostAddress") String hostAddress,
+                                      @FormParam("hostEndpoint") String hostEndpoint,
+                                      @FormParam("gatekeeperEndpoint") String gatekeeperEndpoint) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            HostDescription hostDescription = DescriptorUtil.createHostDescription(hostName, hostAddress, hostEndpoint, gatekeeperEndpoint);
+            airavataRegistry.addHostDescriptor(hostDescription);
+            Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+            return builder.build();
+        } catch (DescriptorAlreadyExistsException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.BAD_REQUEST);
+            // TODO : Use WEbapplicationExcpetion
+            return builder.build();
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        }
+    }
+
+    @POST
+    @Path("hostdescriptor/save")
+    @Consumes({MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML})
+    @Produces({MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON})
+    public Response addJSONHostDescriptor(HostDescriptor host) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            HostDescription hostDescription = DescriptorUtil.createHostDescription(host);
+            airavataRegistry.addHostDescriptor(hostDescription);
+            Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+            return builder.build();
+        } catch (DescriptorAlreadyExistsException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.BAD_REQUEST);
+            return builder.build();
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        }
+    }
+
+    @POST
+    @Path("hostdescriptor/update")
+    @Consumes({MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML})
+    @Produces({MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON})
+    public Response updateHostDescriptor(HostDescriptor host) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            HostDescription hostDescription = DescriptorUtil.createHostDescription(host);
+            airavataRegistry.updateHostDescriptor(hostDescription);
+            Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+            return builder.build();
+        } catch (DescriptorDoesNotExistsException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.BAD_REQUEST);
+            return builder.build();
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        }
+    }
+
+    @GET
+    @Path("host/description")
+    @Consumes({MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML})
+    @Produces({MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON})
+    public Response getHostDescriptor(@QueryParam("hostName") String hostName) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            HostDescription hostDescription = airavataRegistry.getHostDescriptor(hostName);
+            HostDescriptor hostDescriptor = DescriptorUtil.createHostDescriptor(hostDescription);
+            if (hostDescription != null) {
+                Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+                builder.entity(hostDescriptor);
+                return builder.build();
+            } else {
+                Response.ResponseBuilder builder = Response.status(Response.Status.BAD_REQUEST);
+                return builder.build();
+            }
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        }
+
+    }
+
+    @DELETE
+    @Path("hostdescriptor/delete")
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response removeHostDescriptor(@QueryParam("hostName") String hostName) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            airavataRegistry.removeHostDescriptor(hostName);
+            Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+            return builder.build();
+        } catch (DescriptorDoesNotExistsException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        }
+    }
+
+    @GET
+    @Path("get/hostdescriptors")
+    @Consumes({MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML})
+    @Produces({MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON})
+    public Response getHostDescriptors() {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            List<HostDescription> hostDescriptionList = airavataRegistry.getHostDescriptors();
+            HostDescriptionList list = new HostDescriptionList();
+            HostDescriptor[] hostDescriptions = new HostDescriptor[hostDescriptionList.size()];
+            for (int i = 0; i < hostDescriptionList.size(); i++) {
+                HostDescriptor hostDescriptor = DescriptorUtil.createHostDescriptor(hostDescriptionList.get(i));
+                hostDescriptions[i] = hostDescriptor;
+            }
+            list.setHostDescriptions(hostDescriptions);
+            if (hostDescriptionList.size() != 0) {
+                Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+                builder.entity(list);
+                return builder.build();
+            } else {
+                Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+                return builder.build();
+            }
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        }
+    }
+
+    @GET
+    @Path("servicedescriptor/exist")
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response isServiceDescriptorExists(@QueryParam("descriptorName") String descriptorName) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        boolean state;
+        try {
+            state = airavataRegistry.isServiceDescriptorExists(descriptorName);
+            if (state) {
+                Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+                builder.entity("True");
+                return builder.build();
+            } else {
+                Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+                return builder.build();
+            }
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        }
+    }
+
+    @POST
+    @Path("servicedescriptor/save")
+    @Consumes({MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML})
+    @Produces({MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON})
+    public Response addJSONServiceDescriptor(ServiceDescriptor service) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            ServiceDescription serviceDescription = DescriptorUtil.createServiceDescription(service);
+            airavataRegistry.addServiceDescriptor(serviceDescription);
+            Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+            return builder.build();
+        } catch (DescriptorAlreadyExistsException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.BAD_REQUEST);
+            return builder.build();
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        }
+    }
+
+    @POST
+    @Path("servicedescriptor/update")
+    @Consumes({MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML})
+    @Produces({MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON})
+    public Response updateServiceDescriptor(ServiceDescriptor service) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            ServiceDescription serviceDescription = DescriptorUtil.createServiceDescription(service);
+            airavataRegistry.updateServiceDescriptor(serviceDescription);
+            Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+            return builder.build();
+        } catch (DescriptorAlreadyExistsException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.BAD_REQUEST);
+            return builder.build();
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        }
+    }
+
+    @GET
+    @Path("servicedescriptor/description")
+    @Consumes({MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML})
+    @Produces({MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON})
+    public Response getServiceDescriptor(@QueryParam("serviceName") String serviceName) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            ServiceDescription serviceDescription = airavataRegistry.getServiceDescriptor(serviceName);
+            ServiceDescriptor serviceDescriptor = DescriptorUtil.createServiceDescriptor(serviceDescription);
+            if (serviceDescription != null) {
+                Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+                builder.entity(serviceDescriptor);
+                return builder.build();
+            } else {
+                Response.ResponseBuilder builder = Response.status(Response.Status.BAD_REQUEST);
+                return builder.build();
+            }
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        }
+    }
+
+    @DELETE
+    @Path("servicedescriptor/delete")
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response removeServiceDescriptor(@QueryParam("serviceName") String serviceName) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            airavataRegistry.removeServiceDescriptor(serviceName);
+            Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+            return builder.build();
+        } catch (DescriptorDoesNotExistsException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        }
+    }
+
+    @GET
+    @Path("get/servicedescriptors")
+    @Consumes({MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML})
+    @Produces({MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON})
+    public Response getServiceDescriptors() {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            List<ServiceDescription> serviceDescriptors = airavataRegistry.getServiceDescriptors();
+            ServiceDescriptionList list = new ServiceDescriptionList();
+            ServiceDescriptor[] serviceDescriptions = new ServiceDescriptor[serviceDescriptors.size()];
+            for (int i = 0; i < serviceDescriptors.size(); i++) {
+                ServiceDescriptor serviceDescriptor = DescriptorUtil.createServiceDescriptor(serviceDescriptors.get(i));
+                serviceDescriptions[i] = serviceDescriptor;
+            }
+            list.setServiceDescriptions(serviceDescriptions);
+            if (serviceDescriptors.size() != 0) {
+                Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+                builder.entity(list);
+                return builder.build();
+            } else {
+                Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+                return builder.build();
+            }
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        }
+    }
+
+
+    @GET
+    @Path("applicationdescriptor/exist")
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response isApplicationDescriptorExists(@QueryParam("serviceName") String serviceName,
+                                                  @QueryParam("hostName") String hostName,
+                                                  @QueryParam("descriptorName") String descriptorName) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        boolean state;
+        try {
+            state = airavataRegistry.isApplicationDescriptorExists(serviceName, hostName, descriptorName);
+            if (state) {
+                Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+                builder.entity("True");
+                return builder.build();
+            } else {
+                Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+                return builder.build();
+            }
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        }
+    }
+
+    @POST
+    @Path("applicationdescriptor/build/save/test")
+    @Produces(MediaType.TEXT_PLAIN)
+    @Consumes(MediaType.APPLICATION_FORM_URLENCODED)
+    public Response addApplicationDescriptorTest(@FormParam("appName") String appName, @FormParam("exeuctableLocation") String exeuctableLocation, @FormParam("scratchWorkingDirectory") String scratchWorkingDirectory, @FormParam("hostName") String hostName,
+                                                 @FormParam("projAccNumber") String projAccNumber, @FormParam("queueName") String queueName, @FormParam("cpuCount") String cpuCount, @FormParam("nodeCount") String nodeCount, @FormParam("maxMemory") String maxMemory,
+                                                 @FormParam("serviceName") String serviceName, @FormParam("inputName1") String inputName1, @FormParam("inputType1") String inputType1, @FormParam("outputName") String outputName, @FormParam("outputType") String outputType) throws Exception {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+
+        System.out.println("application descriptor save started ...");
+        ServiceDescription serv = DescriptorUtil.getServiceDescription(serviceName, inputName1, inputType1, outputName, outputType);
+        // Creating the descriptor as a temporary measure.
+        ApplicationDeploymentDescription app = DescriptorUtil.registerApplication(appName, exeuctableLocation, scratchWorkingDirectory,
+                hostName, projAccNumber, queueName, cpuCount, nodeCount, maxMemory);
+        try {
+            if (!airavataRegistry.isHostDescriptorExists(hostName)) {
+                System.out.println(hostName + " host not exist");
+//                Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+//                return builder.build();
+            }
+
+            if (airavataRegistry.isServiceDescriptorExists(serv.getType().getName())) {
+                System.out.println(serviceName + " service updated ");
+                airavataRegistry.updateServiceDescriptor(serv);
+            } else {
+                System.out.println(serviceName + " service created ");
+                airavataRegistry.addServiceDescriptor(serv);
+            }
+
+            if (airavataRegistry.isApplicationDescriptorExists(serv.getType().getName(), hostName, app.getType().getApplicationName().getStringValue())) {
+                System.out.println(appName + " app already exists. retruning an error");
+//                Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+//                return builder.build();
+            } else {
+                System.out.println(appName + " adding the app");
+                airavataRegistry.addApplicationDescriptor(serv.getType().getName(), hostName, app);
+            }
+
+//            airavataRegistry.addApplicationDescriptor(serviceName, hostName, app);
+            Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+            return builder.build();
+        } catch (DescriptorAlreadyExistsException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.BAD_REQUEST);
+            return builder.build();
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        }
+    }
+
+    @POST
+    @Path("applicationdescriptor/build/save")
+    @Consumes({MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML})
+    @Produces({MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML})
+    public Response addJSONApplicationDescriptor(ApplicationDescriptor applicationDescriptor) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            String hostdescName = applicationDescriptor.getHostdescName();
+            if (!airavataRegistry.isHostDescriptorExists(hostdescName)) {
+                Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+                return builder.build();
+            }
+            ApplicationDeploymentDescription applicationDeploymentDescription = DescriptorUtil.createApplicationDescription(applicationDescriptor);
+            ServiceDescriptor serviceDescriptor = applicationDescriptor.getServiceDescriptor();
+            String serviceName;
+            if (serviceDescriptor != null) {
+                if (serviceDescriptor.getServiceName() == null) {
+                    serviceName = applicationDescriptor.getName();
+                    serviceDescriptor.setServiceName(serviceName);
+                } else {
+                    serviceName = serviceDescriptor.getServiceName();
+                }
+                ServiceDescription serviceDescription = DescriptorUtil.createServiceDescription(serviceDescriptor);
+                if (!airavataRegistry.isServiceDescriptorExists(serviceName)) {
+                    airavataRegistry.addServiceDescriptor(serviceDescription);
+                }
+            } else {
+                serviceName = applicationDescriptor.getName();
+            }
+            airavataRegistry.addApplicationDescriptor(serviceName, hostdescName, applicationDeploymentDescription);
+
+
+            Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+            return builder.build();
+        } catch (DescriptorAlreadyExistsException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.BAD_REQUEST);
+            return builder.build();
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        }
+    }
+
+
+//
+//    @POST
+//    @Path("applicationdescriptor/save")
+//    @Consumes(MediaType.TEXT_XML)
+//    @Produces(MediaType.TEXT_PLAIN)
+//    public Response addApplicationDesc(@FormParam("serviceName") String serviceName,
+//                                       @FormParam("hostName") String hostName,
+//                                       String application) {
+//        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+//        try{
+//            ApplicationDeploymentDescription applicationDeploymentDescription = ApplicationDeploymentDescription.fromXML(application);
+//            airavataRegistry.addApplicationDescriptor(serviceName, hostName, applicationDeploymentDescription);
+//            Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+//            return builder.build();
+//        } catch (DescriptorAlreadyExistsException e){
+//            Response.ResponseBuilder builder = Response.status(Response.Status.BAD_REQUEST);
+//            return builder.build();
+//        } catch (XmlException e) {
+//            Response.ResponseBuilder builder = Response.status(Response.Status.BAD_REQUEST);
+//            return builder.build();
+//        } catch (RegistryException e) {
+//            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+//            return builder.build();
+//        }
+//
+//    }
+
+    @POST
+    @Path("applicationdescriptor/update")
+    @Consumes({MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML})
+    @Produces({MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML})
+    public Response udpateApplicationDescriptorByDescriptors(ApplicationDescriptor applicationDescriptor) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            String hostdescName = applicationDescriptor.getHostdescName();
+            if (!airavataRegistry.isHostDescriptorExists(hostdescName)) {
+                Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+                return builder.build();
+            }
+            ApplicationDeploymentDescription applicationDeploymentDescription = DescriptorUtil.createApplicationDescription(applicationDescriptor);
+            ServiceDescriptor serviceDescriptor = applicationDescriptor.getServiceDescriptor();
+            String serviceName;
+            if (serviceDescriptor != null) {
+                if (serviceDescriptor.getServiceName() == null) {
+                    serviceName = applicationDescriptor.getName();
+                    serviceDescriptor.setServiceName(serviceName);
+                } else {
+                    serviceName = serviceDescriptor.getServiceName();
+                }
+                ServiceDescription serviceDescription = DescriptorUtil.createServiceDescription(serviceDescriptor);
+                if (airavataRegistry.isServiceDescriptorExists(serviceName)) {
+                    airavataRegistry.updateServiceDescriptor(serviceDescription);
+                } else {
+                    airavataRegistry.addServiceDescriptor(serviceDescription);
+                }
+
+            } else {
+                serviceName = applicationDescriptor.getName();
+            }
+            airavataRegistry.updateApplicationDescriptor(serviceName, hostdescName, applicationDeploymentDescription);
+            Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+            return builder.build();
+        } catch (DescriptorAlreadyExistsException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.BAD_REQUEST);
+            return builder.build();
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        }
+    }
+
+
+    @GET
+    @Path("applicationdescriptor/description")
+    @Produces("text/xml")
+    public Response getApplicationDescriptor(@QueryParam("serviceName") String serviceName,
+                                             @QueryParam("hostName") String hostName,
+                                             @QueryParam("applicationName") String applicationName) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            ApplicationDeploymentDescription applicationDeploymentDescription = airavataRegistry.getApplicationDescriptor(serviceName, hostName, applicationName);
+            ApplicationDescriptor applicationDescriptor = DescriptorUtil.createApplicationDescriptor(applicationDeploymentDescription);
+            applicationDescriptor.setHostdescName(hostName);
+            ServiceDescription serviceDescription = airavataRegistry.getServiceDescriptor(serviceName);
+            ServiceDescriptor serviceDescriptor = DescriptorUtil.createServiceDescriptor(serviceDescription);
+            applicationDescriptor.setServiceDescriptor(serviceDescriptor);
+
+            if (applicationDeploymentDescription != null) {
+                Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+                builder.entity(applicationDescriptor);
+                return builder.build();
+            } else {
+                Response.ResponseBuilder builder = Response.status(Response.Status.BAD_REQUEST);
+                return builder.build();
+            }
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        }
+    }
+
+    @GET
+    @Path("applicationdescriptors/alldescriptors/host/service")
+    @Produces("text/xml")
+    public Response getApplicationDescriptors(@QueryParam("serviceName") String serviceName,
+                                              @QueryParam("hostName") String hostName) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            ApplicationDeploymentDescription applicationDeploymentDescription = airavataRegistry.getApplicationDescriptors(serviceName, hostName);
+            ApplicationDescriptor applicationDescriptor = DescriptorUtil.createApplicationDescriptor(applicationDeploymentDescription);
+            applicationDescriptor.setHostdescName(hostName);
+            ServiceDescription serviceDescription = airavataRegistry.getServiceDescriptor(serviceName);
+            ServiceDescriptor serviceDescriptor = DescriptorUtil.createServiceDescriptor(serviceDescription);
+            applicationDescriptor.setServiceDescriptor(serviceDescriptor);
+
+            if (applicationDeploymentDescription != null) {
+                Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+                builder.entity(applicationDescriptor);
+                return builder.build();
+            } else {
+                Response.ResponseBuilder builder = Response.status(Response.Status.BAD_REQUEST);
+                return builder.build();
+            }
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        }
+    }
+
+    @GET
+    @Path("applicationdescriptor/alldescriptors/service")
+    @Produces({MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON})
+    public Response getApplicationDescriptors(@QueryParam("serviceName") String serviceName) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            Map<String, ApplicationDeploymentDescription> applicationDeploymentDescriptionMap = airavataRegistry.getApplicationDescriptors(serviceName);
+            ApplicationDescriptorList applicationDescriptorList = new ApplicationDescriptorList();
+            ApplicationDescriptor[] applicationDescriptors = new ApplicationDescriptor[applicationDeploymentDescriptionMap.size()];
+            int i = 0;
+            for (String hostName : applicationDeploymentDescriptionMap.keySet()) {
+                ApplicationDeploymentDescription applicationDeploymentDescription = applicationDeploymentDescriptionMap.get(hostName);
+                ApplicationDescriptor applicationDescriptor = DescriptorUtil.createApplicationDescriptor(applicationDeploymentDescription);
+                applicationDescriptor.setHostdescName(hostName);
+
+                ServiceDescription serviceDescription = airavataRegistry.getServiceDescriptor(serviceName);
+                ServiceDescriptor serviceDescriptor = DescriptorUtil.createServiceDescriptor(serviceDescription);
+                applicationDescriptor.setServiceDescriptor(serviceDescriptor);
+
+                applicationDescriptors[i] = applicationDescriptor;
+                i++;
+            }
+            applicationDescriptorList.setApplicationDescriptors(applicationDescriptors);
+            if (applicationDeploymentDescriptionMap.size() != 0) {
+                Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+                builder.entity(applicationDescriptorList);
+                return builder.build();
+            } else {
+                Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+                return builder.build();
+            }
+        } catch (MalformedDescriptorException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        }
+    }
+
+    @GET
+    @Path("applicationdescriptor/alldescriptors")
+    @Produces({MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON})
+    public Response getApplicationDescriptors() {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            Map<String[], ApplicationDeploymentDescription> applicationDeploymentDescriptionMap = airavataRegistry.getApplicationDescriptors();
+            ApplicationDescriptorList applicationDescriptorList = new ApplicationDescriptorList();
+            ApplicationDescriptor[] applicationDescriptors = new ApplicationDescriptor[applicationDeploymentDescriptionMap.size()];
+            int i = 0;
+            for (String[] descriptors : applicationDeploymentDescriptionMap.keySet()) {
+                ApplicationDeploymentDescription applicationDeploymentDescription = applicationDeploymentDescriptionMap.get(descriptors);
+                ApplicationDescriptor applicationDescriptor = DescriptorUtil.createApplicationDescriptor(applicationDeploymentDescription);
+                applicationDescriptor.setHostdescName(descriptors[1]);
+                ServiceDescription serviceDescription = airavataRegistry.getServiceDescriptor(descriptors[0]);
+                if (serviceDescription == null) {
+                    Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+                    return builder.build();
+                }
+                ServiceDescriptor serviceDescriptor = DescriptorUtil.createServiceDescriptor(serviceDescription);
+                applicationDescriptor.setServiceDescriptor(serviceDescriptor);
+                applicationDescriptors[i] = applicationDescriptor;
+                i++;
+            }
+            applicationDescriptorList.setApplicationDescriptors(applicationDescriptors);
+            if (applicationDeploymentDescriptionMap.size() != 0) {
+                Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+                builder.entity(applicationDescriptorList);
+                return builder.build();
+            } else {
+                Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+                return builder.build();
+            }
+        } catch (MalformedDescriptorException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        }
+    }
+
+    @DELETE
+    @Path("applicationdescriptor/delete")
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response removeApplicationDescriptor(@QueryParam("serviceName") String serviceName,
+                                                @QueryParam("hostName") String hostName,
+                                                @QueryParam("appName") String appName) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            airavataRegistry.removeApplicationDescriptor(serviceName, hostName, appName);
+            Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+            return builder.build();
+        } catch (DescriptorDoesNotExistsException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        }
+    }
+
+
+    /**
+     * ---------------------------------Project Registry----------------------------------*
+     */
+    @GET
+    @Path("project/exist")
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response isWorkspaceProjectExists(@QueryParam("projectName") String projectName) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            boolean result = airavataRegistry.isWorkspaceProjectExists(projectName);
+            if (result) {
+                Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+                builder.entity("True");
+                return builder.build();
+            } else {
+                Response.ResponseBuilder builder = Response.status(Response.Status.NOT_FOUND);
+                builder.entity("False");
+                return builder.build();
+            }
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        }
+    }
+
+    @POST
+    @Path("project/exist")
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response isWorkspaceProjectExists(@FormParam("projectName") String projectName,
+                                             @FormParam("createIfNotExists") String createIfNotExists) {
+        boolean createIfNotExistStatus = false;
+        if (createIfNotExists.equals("true")) {
+            createIfNotExistStatus = true;
+        }
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            boolean result = airavataRegistry.isWorkspaceProjectExists(projectName, createIfNotExistStatus);
+            if (result) {
+                Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+                builder.entity("True");
+                return builder.build();
+            } else {
+                Response.ResponseBuilder builder = Response.status(Response.Status.NOT_FOUND);
+                builder.entity("False");
+                return builder.build();
+            }
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            builder.entity("False");
+            return builder.build();
+        }
+    }
+
+    @POST
+    @Path("add/project")
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response addWorkspaceProject(@FormParam("projectName") String projectName) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            WorkspaceProject workspaceProject = new WorkspaceProject(projectName, airavataRegistry);
+            airavataRegistry.addWorkspaceProject(workspaceProject);
+            Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+            return builder.build();
+        } catch (WorkspaceProjectAlreadyExistsException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        }
+    }
+
+    @POST
+    @Path("update/project")
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response updateWorkspaceProject(@FormParam("projectName") String projectName) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            WorkspaceProject workspaceProject = new WorkspaceProject(projectName, airavataRegistry);
+            airavataRegistry.updateWorkspaceProject(workspaceProject);
+            Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+            return builder.build();
+        } catch (WorkspaceProjectDoesNotExistsException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        }
+    }
+
+    @DELETE
+    @Path("delete/project")
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response deleteWorkspaceProject(@QueryParam("projectName") String projectName) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            airavataRegistry.deleteWorkspaceProject(projectName);
+            Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+            return builder.build();
+        } catch (WorkspaceProjectDoesNotExistsException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        }
+    }
+
+    @GET
+    @Path("get/project")
+    @Produces({MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON})
+    public Response getWorkspaceProject(@QueryParam("projectName") String projectName) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            WorkspaceProject workspaceProject = airavataRegistry.getWorkspaceProject(projectName);
+            if (workspaceProject != null) {
+                Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+                builder.entity(workspaceProject);
+                return builder.build();
+            } else {
+                Response.ResponseBuilder builder = Response.status(Response.Status.NOT_FOUND);
+                return builder.build();
+            }
+        } catch (WorkspaceProjectDoesNotExistsException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        }
+    }
+
+    @GET
+    @Path("get/projects")
+    @Produces({MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON})
+    public Response getWorkspaceProjects() {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            List<WorkspaceProject> workspaceProjects = airavataRegistry.getWorkspaceProjects();
+            WorkspaceProjectList workspaceProjectList = new WorkspaceProjectList();
+            WorkspaceProject[] workspaceProjectSet = new WorkspaceProject[workspaceProjects.size()];
+            for (int i = 0; i < workspaceProjects.size(); i++) {
+                workspaceProjectSet[i] = workspaceProjects.get(i);
+            }
+            workspaceProjectList.setWorkspaceProjects(workspaceProjectSet);
+            if (workspaceProjects.size() != 0) {
+                Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+                builder.entity(workspaceProjectList);
+                return builder.build();
+            } else {
+                Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+                return builder.build();
+            }
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        }
+    }
+
+    /**
+     * ---------------------------------Experiments----------------------------------*
+     */
+
+    @DELETE
+    @Path("delete/experiment")
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response removeExperiment(@QueryParam("experimentId") String experimentId) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            airavataRegistry.removeExperiment(experimentId);
+            Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+            return builder.build();
+        } catch (ExperimentDoesNotExistsException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.NOT_FOUND);
+            return builder.build();
+        }
+    }
+
+    @GET
+    @Path("get/experiments/all")
+    @Produces({MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON})
+    public Response getExperiments() throws RegistryException {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            List<AiravataExperiment> airavataExperimentList = airavataRegistry.getExperiments();
+            ExperimentList experimentList = new ExperimentList();
+            AiravataExperiment[] experiments = new AiravataExperiment[airavataExperimentList.size()];
+            for (int i = 0; i < airavataExperimentList.size(); i++) {
+                experiments[i] = airavataExperimentList.get(i);
+            }
+            experimentList.setExperiments(experiments);
+            if (airavataExperimentList.size() != 0) {
+                Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+                builder.entity(experimentList);
+                return builder.build();
+            } else {
+                Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+                return builder.build();
+            }
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        }
+    }
+
+    @GET
+    @Path("get/experiments/project")
+    @Produces({MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON})
+    public Response getExperimentsByProject(@QueryParam("projectName") String projectName) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            List<AiravataExperiment> airavataExperimentList = airavataRegistry.getExperiments(projectName);
+            ExperimentList experimentList = new ExperimentList();
+            AiravataExperiment[] experiments = new AiravataExperiment[airavataExperimentList.size()];
+            for (int i = 0; i < airavataExperimentList.size(); i++) {
+                experiments[i] = airavataExperimentList.get(i);
+            }
+            experimentList.setExperiments(experiments);
+            if (airavataExperimentList.size() != 0) {
+                Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+                builder.entity(experimentList);
+                return builder.build();
+            } else {
+                Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+                return builder.build();
+            }
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        }
+    }
+
+    @GET
+    @Path("get/experiments/date")
+    @Consumes(MediaType.APPLICATION_FORM_URLENCODED)
+    @Produces({MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON})
+    public Response getExperimentsByDate(@QueryParam("fromDate") String fromDate,
+                                         @QueryParam("toDate") String toDate) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
+            Date formattedFromDate = dateFormat.parse(fromDate);
+            Date formattedToDate = dateFormat.parse(toDate);
+            List<AiravataExperiment> airavataExperimentList = airavataRegistry.getExperiments(formattedFromDate, formattedToDate);
+            ExperimentList experimentList = new ExperimentList();
+            AiravataExperiment[] experiments = new AiravataExperiment[airavataExperimentList.size()];
+            for (int i = 0; i < airavataExperimentList.size(); i++) {
+                experiments[i] = airavataExperimentList.get(i);
+            }
+            experimentList.setExperiments(experiments);
+            if (airavataExperimentList.size() != 0) {
+                Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+                builder.entity(experimentList);
+                return builder.build();
+            } else {
+                Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+                return builder.build();
+            }
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        } catch (ParseException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        }
+    }
+
+    @GET
+    @Path("get/experiments/project/date")
+    @Consumes(MediaType.APPLICATION_FORM_URLENCODED)
+    @Produces({MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON})
+    public Response getExperimentsByProjectDate(@QueryParam("projectName") String projectName,
+                                                @QueryParam("fromDate") String fromDate,
+                                                @QueryParam("toDate") String toDate) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
+            Date formattedFromDate = dateFormat.parse(fromDate);
+            Date formattedToDate = dateFormat.parse(toDate);
+            List<AiravataExperiment> airavataExperimentList = airavataRegistry.getExperiments(projectName, formattedFromDate, formattedToDate);
+            ExperimentList experimentList = new ExperimentList();
+            AiravataExperiment[] experiments = new AiravataExperiment[airavataExperimentList.size()];
+            for (int i = 0; i < airavataExperimentList.size(); i++) {
+                experiments[i] = airavataExperimentList.get(i);
+            }
+            experimentList.setExperiments(experiments);
+            if (airavataExperimentList.size() != 0) {
+                Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+                builder.entity(experimentList);
+                return builder.build();
+            } else {
+                Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+                return builder.build();
+            }
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        } catch (ParseException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        }
+    }
+
+    @POST
+    @Path("add/experiment")
+    @Consumes(MediaType.APPLICATION_FORM_URLENCODED)
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response addExperiment(@FormParam("projectName") String projectName,
+                                  @FormParam("experimentID") String experimentID,
+                                  @FormParam("submittedDate") String submittedDate) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            AiravataExperiment experiment = new AiravataExperiment();
+            experiment.setExperimentId(experimentID);
+            Gateway gateway = (Gateway) context.getAttribute(RestServicesConstants.GATEWAY);
+            AiravataUser airavataUser = (AiravataUser) context.getAttribute(RestServicesConstants.REGISTRY_USER);
+            experiment.setGateway(gateway);
+            experiment.setUser(airavataUser);
+            DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
+            Date formattedDate = dateFormat.parse(submittedDate);
+            experiment.setSubmittedDate(formattedDate);
+            airavataRegistry.addExperiment(projectName, experiment);
+            Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+            return builder.build();
+        } catch (ExperimentDoesNotExistsException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.NOT_FOUND);
+            return builder.build();
+        } catch (WorkspaceProjectDoesNotExistsException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.NOT_FOUND);
+            return builder.build();
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        } catch (ParseException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        }
+
+    }
+
+    @GET
+    @Path("experiment/exist")
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response isExperimentExists(@QueryParam("experimentId") String experimentId) throws RegistryException {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            airavataRegistry.isExperimentExists(experimentId);
+            Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+            builder.entity("True");
+            return builder.build();
+        } catch (ExperimentDoesNotExistsException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.NOT_FOUND);
+            builder.entity("False");
+            return builder.build();
+        }
+    }
+
+    @GET
+    @Path("experiment/notexist/create")
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response isExperimentExistsThenCreate(@QueryParam("experimentId") String experimentId,
+                                                 @QueryParam("createIfNotPresent") String createIfNotPresent) {
+        boolean createIfNotPresentStatus = false;
+        if (createIfNotPresent.equals("true")) {
+            createIfNotPresentStatus = true;
+        }
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            airavataRegistry.isExperimentExists(experimentId, createIfNotPresentStatus);
+            Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+            builder.entity("True");
+            return builder.build();
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.NOT_FOUND);
+            return builder.build();
+        }
+    }
+
+    /**
+     * --------------------------------- Provenance Registry ----------------------------------*
+     */
+
+    @POST
+    @Path("update/experiment")
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response updateExperimentExecutionUser(@FormParam("experimentId") String experimentId,
+                                                  @FormParam("user") String user) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            airavataRegistry.updateExperimentExecutionUser(experimentId, user);
+            Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+            return builder.build();
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.NOT_FOUND);
+            return builder.build();
+        }
+    }
+
+    @GET
+    @Path("get/experiment/executionuser")
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response getExperimentExecutionUser(@QueryParam("experimentId") String experimentId) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            String user = airavataRegistry.getExperimentExecutionUser(experimentId);
+            if (user != null) {
+                Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+                builder.entity(user);
+                return builder.build();
+            } else {
+                Response.ResponseBuilder builder = Response.status(Response.Status.NOT_MODIFIED);
+                return builder.build();
+            }
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        }
+    }
+
+    @GET
+    @Path("get/experiment/name")
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response getExperimentName(@QueryParam("experimentId") String experimentId) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            String result = airavataRegistry.getExperimentName(experimentId);
+            if (result != null) {
+                Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+                builder.entity(result);
+                return builder.build();
+            } else {
+                Response.ResponseBuilder builder = Response.status(Response.Status.NOT_MODIFIED);
+                return builder.build();
+            }
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        }
+    }
+
+    @POST
+    @Path("update/experimentname")
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response updateExperimentName(@FormParam("experimentId") String experimentId,
+                                         @FormParam("experimentName") String experimentName) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            airavataRegistry.updateExperimentName(experimentId, experimentName);
+            Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+            return builder.build();
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.NOT_FOUND);
+            return builder.build();
+        }
+    }
+
+
+    @GET
+    @Path("get/experimentmetadata")
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response getExperimentMetadata(@QueryParam("experimentId") String experimentId) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            String result = airavataRegistry.getExperimentMetadata(experimentId);
+            if (result != null) {
+                Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+                builder.entity(result);
+                return builder.build();
+            } else {
+                Response.ResponseBuilder builder = Response.status(Response.Status.NOT_MODIFIED);
+                return builder.build();
+            }
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        }
+    }
+
+    @POST
+    @Path("update/experimentmetadata")
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response updateExperimentMetadata(@FormParam("experimentId") String experimentId,
+                                             @FormParam("metadata") String metadata) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            airavataRegistry.updateExperimentMetadata(experimentId, metadata);
+            Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+            return builder.build();
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.NOT_FOUND);
+            return builder.build();
+        }
+    }
+
+    /**
+     * --------------------------------- Provenance Registry ----------------------------------*
+     */
+
+    @GET
+    @Path("get/workflowtemplatename")
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response getWorkflowExecutionTemplateName(@QueryParam("workflowInstanceId") String workflowInstanceId) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            String result = airavataRegistry.getWorkflowExecutionTemplateName(workflowInstanceId);
+            if (result != null) {
+                Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+                builder.entity(result);
+                return builder.build();
+            } else {
+                Response.ResponseBuilder builder = Response.status(Response.Status.NOT_MODIFIED);
+                return builder.build();
+            }
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        }
+    }
+
+    @POST
+    @Path("update/workflowinstancetemplatename")
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response setWorkflowInstanceTemplateName(@FormParam("workflowInstanceId") String workflowInstanceId,
+                                                    @FormParam("templateName") String templateName) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            airavataRegistry.setWorkflowInstanceTemplateName(workflowInstanceId, templateName);
+            Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+            return builder.build();
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.NOT_FOUND);
+            return builder.build();
+        }
+    }
+
+    @GET
+    @Path("get/experimentworkflowinstances")
+    @Produces({MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON})
+    public Response getExperimentWorkflowInstances(@QueryParam("experimentId") String experimentId) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            List<WorkflowInstance> experimentWorkflowInstances = airavataRegistry.getExperimentWorkflowInstances(experimentId);
+            WorkflowInstancesList workflowInstancesList = new WorkflowInstancesList();
+            WorkflowInstance[] workflowInstanceMappings = new WorkflowInstance[experimentWorkflowInstances.size()];
+            for (int i = 0; i < experimentWorkflowInstances.size(); i++) {
+                workflowInstanceMappings[i] = experimentWorkflowInstances.get(i);
+            }
+            workflowInstancesList.setWorkflowInstances(workflowInstanceMappings);
+            if (experimentWorkflowInstances.size() != 0) {
+                Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+                builder.entity(workflowInstancesList);
+                return builder.build();
+            } else {
+                Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+                return builder.build();
+            }
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            return builder.build();
+        }
+    }
+
+    @GET
+    @Path("workflowinstance/exist/check")
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response isWorkflowInstanceExists(@QueryParam("instanceId") String instanceId) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            Boolean result = airavataRegistry.isWorkflowInstanceExists(instanceId);
+            if (result) {
+                Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+                builder.entity("True");
+                return builder.build();
+            } else {
+                Response.ResponseBuilder builder = Response.status(Response.Status.NOT_FOUND);
+                builder.entity("False");
+                return builder.build();
+            }
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.NOT_FOUND);
+            return builder.build();
+        }
+
+    }
+
+    @GET
+    @Path("workflowinstance/exist/create")
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response isWorkflowInstanceExistsThenCreate(@QueryParam("instanceId") String instanceId,
+                                                       @QueryParam("createIfNotPresent") boolean createIfNotPresent) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            Boolean result = airavataRegistry.isWorkflowInstanceExists(instanceId, createIfNotPresent);
+            if (result) {
+                Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+                builder.entity("True");
+                return builder.build();
+            } else {
+                Response.ResponseBuilder builder = Response.status(Response.Status.NOT_FOUND);
+                return builder.build();
+            }
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.NOT_FOUND);
+            return builder.build();
+        }
+    }
+
+    @POST
+    @Path("update/workflowinstancestatus/instanceid")
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response updateWorkflowInstanceStatusByInstance(@FormParam("instanceId") String instanceId,
+                                                           @FormParam("executionStatus") String executionStatus) {

[... 882 lines stripped ...]