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From chath...@apache.org
Subject svn commit: r1408798 [5/7] - 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...
Date Tue, 13 Nov 2012 15:52:19 GMT
Added: airavata/trunk/modules/airavata-rest-services/src/main/java/org/apache/airavata/services/registry/rest/resources/ProvenanceRegistryResource.java
URL: http://svn.apache.org/viewvc/airavata/trunk/modules/airavata-rest-services/src/main/java/org/apache/airavata/services/registry/rest/resources/ProvenanceRegistryResource.java?rev=1408798&view=auto
==============================================================================
--- airavata/trunk/modules/airavata-rest-services/src/main/java/org/apache/airavata/services/registry/rest/resources/ProvenanceRegistryResource.java (added)
+++ airavata/trunk/modules/airavata-rest-services/src/main/java/org/apache/airavata/services/registry/rest/resources/ProvenanceRegistryResource.java Tue Nov 13 15:52:16 2012
@@ -0,0 +1,1239 @@
+/*
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+
+package org.apache.airavata.services.registry.rest.resources;
+
+import org.apache.airavata.registry.api.AiravataRegistry2;
+import org.apache.airavata.registry.api.exception.RegistryException;
+import org.apache.airavata.registry.api.impl.ExperimentDataImpl;
+import org.apache.airavata.registry.api.workflow.*;
+import org.apache.airavata.services.registry.rest.resourcemappings.ExperimentDataList;
+import org.apache.airavata.services.registry.rest.resourcemappings.ExperimentIDList;
+import org.apache.airavata.services.registry.rest.resourcemappings.WorkflowInstancesList;
+import org.apache.airavata.services.registry.rest.utils.ResourcePathConstants;
+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.text.DateFormat;
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.List;
+
+/**
+ * This class is the REST interface for all the provenance data related methods that are exposed
+ * by Airavata Registry API
+ */
+@Path(ResourcePathConstants.ProvenanceResourcePathConstants.REGISTRY_API_PROVENANCEREGISTRY)
+public class ProvenanceRegistryResource {
+    private AiravataRegistry2 airavataRegistry;
+
+    @Context
+    ServletContext context;
+
+    /**
+     * --------------------------------- Provenance Registry ----------------------------------*
+     */
+
+    /**
+     * This method will update the experiment execution user
+     * @param experimentId experiment ID
+     * @param user experiment execution user
+     * @return HTTP response
+     */
+    @POST
+    @Path(ResourcePathConstants.ProvenanceResourcePathConstants.UPDATE_EXPERIMENT_EXECUTIONUSER)
+    @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);
+            builder.entity("Experiment execution user updated successfully...");
+            return builder.build();
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.NOT_FOUND);
+            builder.entity(e.getMessage());
+            return builder.build();
+        }
+    }
+
+    /**
+     * This method will retrieve experiment execution user
+     * @param experimentId  experiment ID
+     * @return HTTP response
+     */
+    @GET
+    @Path(ResourcePathConstants.ProvenanceResourcePathConstants.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);
+                builder.entity("Could not get experiment execution user...");
+                return builder.build();
+            }
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            builder.entity(e.getMessage());
+            return builder.build();
+        }
+    }
+
+    /**
+     * This method will retrieve the experiment name for a given experiment ID
+     * @param experimentId  experiment ID
+     * @return HTTP response
+     */
+    @GET
+    @Path(ResourcePathConstants.ProvenanceResourcePathConstants.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);
+                builder.entity("Experiment name not available...");
+                return builder.build();
+            }
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            builder.entity(e.getMessage());
+            return builder.build();
+        }
+    }
+
+    /**
+     * This method will update the experiment name
+     * @param experimentId experiment ID
+     * @param experimentName experiment name
+     * @return HTTP response
+     */
+    @POST
+    @Path(ResourcePathConstants.ProvenanceResourcePathConstants.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);
+            builder.entity("Experiment Name updated successfully...");
+            return builder.build();
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.NOT_FOUND);
+            builder.entity(e.getMessage());
+            return builder.build();
+        }
+    }
+
+    /**
+     * This method will retrieve the experiment metadata
+     * @param experimentId experiment ID
+     * @return HTTP response
+     */
+    @GET
+    @Path(ResourcePathConstants.ProvenanceResourcePathConstants.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.NO_CONTENT);
+                builder.entity("Experiment metadata not available...");
+                return builder.build();
+            }
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            builder.entity(e.getMessage());
+            return builder.build();
+        }
+    }
+
+    /**
+     * This method will update the experiment metadata
+     * @param experimentId experiment ID
+     * @param metadata experiment metadata
+     * @return HTTP response
+     */
+    @POST
+    @Path(ResourcePathConstants.ProvenanceResourcePathConstants.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);
+            builder.entity("Experiment metadata updated successfully...");
+            return builder.build();
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.NOT_FOUND);
+            builder.entity(e.getMessage());
+            return builder.build();
+        }
+    }
+
+
+    /**
+     * This method will retrieve workflow execution name
+     * @param workflowInstanceId workflow instance ID
+     * @return HTTP response
+     */
+    @GET
+    @Path(ResourcePathConstants.ProvenanceResourcePathConstants.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.NO_CONTENT);
+                builder.entity("Workflow template name not available...");
+                return builder.build();
+            }
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            builder.entity(e.getMessage());
+            return builder.build();
+        }
+    }
+
+    /**
+     * This method will set the workflow instance template name
+     * @param workflowInstanceId workflow instance id
+     * @param templateName template name
+     * @return HTTP response
+     */
+    @POST
+    @Path(ResourcePathConstants.ProvenanceResourcePathConstants.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.OK);
+            builder.entity("Workflow template name updated successfully...");
+            return builder.build();
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.NOT_FOUND);
+            builder.entity(e.getMessage());
+            return builder.build();
+        }
+    }
+
+    /**
+     * This method will get experiment workflow instances for a given experiment ID
+     * @param experimentId experiment ID
+     * @return HTTP response
+     */
+    @GET
+    @Path(ResourcePathConstants.ProvenanceResourcePathConstants.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[] workflowInstances = new WorkflowInstance[experimentWorkflowInstances.size()];
+            for (int i = 0; i < experimentWorkflowInstances.size(); i++) {
+                workflowInstances[i] = experimentWorkflowInstances.get(i);
+            }
+            workflowInstancesList.setWorkflowInstances(workflowInstances);
+            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);
+                builder.entity("No workflow instances available...");
+                return builder.build();
+            }
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            builder.entity(e.getMessage());
+            return builder.build();
+        }
+    }
+
+    /**
+     * This method will check whether a workflow instance exists
+     * @param instanceId workflow instance ID
+     * @return HTTP response
+     */
+    @GET
+    @Path(ResourcePathConstants.ProvenanceResourcePathConstants.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("Workflow instance available...");
+                return builder.build();
+            } else {
+                Response.ResponseBuilder builder = Response.status(Response.Status.NOT_FOUND);
+                builder.entity("Workflow instance does not exist...");
+                return builder.build();
+            }
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.NOT_FOUND);
+            builder.entity(e.getMessage());
+            return builder.build();
+        }
+
+    }
+
+    /**
+     * This method will check whether a workflow instance exist and create the workflow instance
+     * according to createIfNotPresent flag
+     * @param instanceId workflow instance ID
+     * @param createIfNotPresent flag whether to create a new workflow instance or not
+     * @return HTTP response
+     */
+    @GET
+    @Path(ResourcePathConstants.ProvenanceResourcePathConstants.WORKFLOWINSTANCE_NODE_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("New workflow instance has been created...");
+                return builder.build();
+            } else {
+                Response.ResponseBuilder builder = Response.status(Response.Status.NOT_FOUND);
+                builder.entity("Could not create workflow instance...");
+                return builder.build();
+            }
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.NOT_FOUND);
+            builder.entity(e.getMessage());
+            return builder.build();
+        }
+    }
+
+    /**
+     * This method will update workflow instance status
+     * @param instanceId  workflow instance ID
+     * @param executionStatus workflow execution status
+     * @return HTTP response
+     */
+    @POST
+    @Path(ResourcePathConstants.ProvenanceResourcePathConstants.UPDATE_WORKFLOWINSTANCESTATUS_INSTANCEID)
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response updateWorkflowInstanceStatusByInstance(@FormParam("instanceId") String instanceId,
+                                                           @FormParam("executionStatus") String executionStatus) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            WorkflowInstanceStatus.ExecutionStatus status = WorkflowInstanceStatus.ExecutionStatus.valueOf(executionStatus);
+            airavataRegistry.updateWorkflowInstanceStatus(instanceId, status);
+            Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+            builder.entity("Workflow instance status updated successfully...");
+            return builder.build();
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.NOT_FOUND);
+            builder.entity(e.getMessage());
+            return builder.build();
+        }
+    }
+
+    /**
+     * This method will update the workflow instance status
+     * @param workflowInstanceId  workflow instance ID
+     * @param executionStatus workflow execution status
+     * @param statusUpdateTime workflow status update time
+     * @return HTTP response
+     */
+    @POST
+    @Path(ResourcePathConstants.ProvenanceResourcePathConstants.UPDATE_WORKFLOWINSTANCESTATUS)
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response updateWorkflowInstanceStatus(@FormParam("workflowInstanceId") String workflowInstanceId,
+                                                 @FormParam("executionStatus") String executionStatus,
+                                                 @FormParam("statusUpdateTime") String statusUpdateTime) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
+            Date formattedDate = dateFormat.parse(statusUpdateTime);
+            WorkflowInstance workflowInstance = airavataRegistry.getWorkflowInstanceData(workflowInstanceId).getWorkflowInstance();
+            WorkflowInstanceStatus.ExecutionStatus status = WorkflowInstanceStatus.ExecutionStatus.valueOf(executionStatus);
+            WorkflowInstanceStatus workflowInstanceStatus = new WorkflowInstanceStatus(workflowInstance, status, formattedDate);
+            airavataRegistry.updateWorkflowInstanceStatus(workflowInstanceStatus);
+            Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+            builder.entity("Workflow instance status updated successfully...");
+            return builder.build();
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.NOT_FOUND);
+            builder.entity(e.getMessage());
+            return builder.build();
+        } catch (ParseException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.NOT_FOUND);
+            builder.entity(e.getMessage());
+            return builder.build();
+        }
+    }
+
+    /**
+     * This method will retrieve workflow instance statuse for a given workflow instance ID
+     * @param instanceId workflow instance ID
+     * @return HTTP response
+     */
+    @GET
+    @Path(ResourcePathConstants.ProvenanceResourcePathConstants.GET_WORKFLOWINSTANCESTATUS)
+    @Produces({MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON})
+    public Response getWorkflowInstanceStatus(@QueryParam("instanceId") String instanceId) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            WorkflowInstanceStatus workflowInstanceStatus = airavataRegistry.getWorkflowInstanceStatus(instanceId);
+            if (workflowInstanceStatus != null) {
+                Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+                builder.entity(workflowInstanceStatus);
+                return builder.build();
+            } else {
+                Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+                builder.entity("Could not get workflow instance status...");
+                return builder.build();
+            }
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            builder.entity(e.getMessage());
+            return builder.build();
+        }
+    }
+
+    /**
+     * This method will update workflowNodeInput
+     * @param nodeID workflow node ID
+     * @param workflowInstanceID  workflow instance ID
+     * @param data input data
+     * @return  HTTP response
+     */
+    @POST
+    @Path(ResourcePathConstants.ProvenanceResourcePathConstants.UPDATE_WORKFLOWNODEINPUT)
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response updateWorkflowNodeInput(@FormParam("nodeID") String nodeID,
+                                            @FormParam("workflowInstanceId") String workflowInstanceID,
+                                            @FormParam("data") String data) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            WorkflowInstanceData workflowInstanceData = airavataRegistry.getWorkflowInstanceData(workflowInstanceID);
+            WorkflowInstanceNode workflowInstanceNode = workflowInstanceData.getNodeData(nodeID).getWorkflowInstanceNode();
+            airavataRegistry.updateWorkflowNodeInput(workflowInstanceNode, data);
+            Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+            builder.entity("Workflow node input saved successfully...");
+            return builder.build();
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            builder.entity(e.getMessage());
+            return builder.build();
+        }
+
+    }
+
+    /**
+     * This method will update workflow node output
+     * @param nodeID workflow node ID
+     * @param workflowInstanceID workflow instance ID
+     * @param data workflow node output data
+     * @return HTTP response
+     */
+    @POST
+    @Path(ResourcePathConstants.ProvenanceResourcePathConstants.UPDATE_WORKFLOWNODEOUTPUT)
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response updateWorkflowNodeOutput(@FormParam("nodeID") String nodeID,
+                                             @FormParam("workflowInstanceId") String workflowInstanceID,
+                                             @FormParam("data") String data) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            WorkflowInstanceData workflowInstanceData = airavataRegistry.getWorkflowInstanceData(workflowInstanceID);
+            WorkflowInstanceNode workflowInstanceNode = workflowInstanceData.getNodeData(nodeID).getWorkflowInstanceNode();
+            airavataRegistry.updateWorkflowNodeOutput(workflowInstanceNode, data);
+            Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+            builder.entity("Workflow node output saved successfully...");
+            return builder.build();
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            builder.entity(e.getMessage());
+            return builder.build();
+        }
+    }
+
+    /*
+    @GET
+    @Path("search/workflowinstancenodeinput")
+    @Produces({MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON})
+    public Response searchWorkflowInstanceNodeInput(@QueryParam("experimentIdRegEx") String experimentIdRegEx,
+                                                    @QueryParam("workflowNameRegEx") String workflowNameRegEx,
+                                                    @QueryParam("nodeNameRegEx") String nodeNameRegEx) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            List<WorkflowNodeIOData> workflowNodeIODataList = airavataRegistry.searchWorkflowInstanceNodeInput(experimentIdRegEx, workflowNameRegEx, nodeNameRegEx);
+            WorkflowNodeIODataMapping[] workflowNodeIODataCollection = new WorkflowNodeIODataMapping[workflowNodeIODataList.size()];
+            WorkflowNodeIODataList workflowNodeIOData = new WorkflowNodeIODataList();
+            for (int i = 0; i < workflowNodeIODataList.size(); i++) {
+                WorkflowNodeIOData nodeIOData = workflowNodeIODataList.get(i);
+                WorkflowNodeIODataMapping workflowNodeIODataMapping = new WorkflowNodeIODataMapping();
+
+                workflowNodeIODataMapping.setExperimentId(nodeIOData.getExperimentId());
+                workflowNodeIODataMapping.setWorkflowId(nodeIOData.getWorkflowId());
+                workflowNodeIODataMapping.setWorkflowInstanceId(nodeIOData.getWorkflowInstanceId());
+                workflowNodeIODataMapping.setWorkflowName(nodeIOData.getWorkflowName());
+                workflowNodeIODataMapping.setWorkflowNodeType(nodeIOData.getNodeType().toString());
+                workflowNodeIODataCollection[i] = workflowNodeIODataMapping;
+            }
+            workflowNodeIOData.setWorkflowNodeIOData(workflowNodeIODataCollection);
+            if (workflowNodeIODataList.size() != 0) {
+                Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+                builder.entity(workflowNodeIOData);
+                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("search/workflowinstancenodeoutput")
+    @Produces({MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON})
+    public Response searchWorkflowInstanceNodeOutput(@QueryParam("experimentIdRegEx") String experimentIdRegEx,
+                                                     @QueryParam("workflowNameRegEx") String workflowNameRegEx,
+                                                     @QueryParam("nodeNameRegEx") String nodeNameRegEx) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            List<WorkflowNodeIOData> workflowNodeIODataList = airavataRegistry.searchWorkflowInstanceNodeOutput(experimentIdRegEx, workflowNameRegEx, nodeNameRegEx);
+            WorkflowNodeIODataMapping[] workflowNodeIODataCollection = new WorkflowNodeIODataMapping[workflowNodeIODataList.size()];
+            WorkflowNodeIODataList workflowNodeIOData = new WorkflowNodeIODataList();
+            for (int i = 0; i < workflowNodeIODataList.size(); i++) {
+                WorkflowNodeIOData nodeIOData = workflowNodeIODataList.get(i);
+                WorkflowNodeIODataMapping workflowNodeIODataMapping = new WorkflowNodeIODataMapping();
+
+                workflowNodeIODataMapping.setExperimentId(nodeIOData.getExperimentId());
+                workflowNodeIODataMapping.setWorkflowId(nodeIOData.getWorkflowId());
+                workflowNodeIODataMapping.setWorkflowInstanceId(nodeIOData.getWorkflowInstanceId());
+                workflowNodeIODataMapping.setWorkflowName(nodeIOData.getWorkflowName());
+                workflowNodeIODataMapping.setWorkflowNodeType(nodeIOData.getNodeType().toString());
+                workflowNodeIODataCollection[i] = workflowNodeIODataMapping;
+            }
+            workflowNodeIOData.setWorkflowNodeIOData(workflowNodeIODataCollection);
+            if (workflowNodeIODataList.size() != 0) {
+                Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+                builder.entity(workflowNodeIOData);
+                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/workflowinstancenodeinput")
+    @Produces({MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON})
+    public Response getWorkflowInstanceNodeInput(@QueryParam("workflowInstanceId") String workflowInstanceId,
+                                                 @QueryParam("nodeType") String nodeType) {
+        // Airavata JPA Registry method returns null at the moment
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            List<WorkflowNodeIOData> workflowNodeIODataList = airavataRegistry.getWorkflowInstanceNodeInput(workflowInstanceId, nodeType);
+            WorkflowNodeIODataMapping[] workflowNodeIODataCollection = new WorkflowNodeIODataMapping[workflowNodeIODataList.size()];
+            WorkflowNodeIODataList workflowNodeIOData = new WorkflowNodeIODataList();
+            for (int i = 0; i < workflowNodeIODataList.size(); i++) {
+                WorkflowNodeIOData nodeIOData = workflowNodeIODataList.get(i);
+                WorkflowNodeIODataMapping workflowNodeIODataMapping = new WorkflowNodeIODataMapping();
+
+                workflowNodeIODataMapping.setExperimentId(nodeIOData.getExperimentId());
+                workflowNodeIODataMapping.setWorkflowId(nodeIOData.getWorkflowId());
+                workflowNodeIODataMapping.setWorkflowInstanceId(nodeIOData.getWorkflowInstanceId());
+                workflowNodeIODataMapping.setWorkflowName(nodeIOData.getWorkflowName());
+                workflowNodeIODataMapping.setWorkflowNodeType(nodeIOData.getNodeType().toString());
+                workflowNodeIODataCollection[i] = workflowNodeIODataMapping;
+            }
+            workflowNodeIOData.setWorkflowNodeIOData(workflowNodeIODataCollection);
+            if (workflowNodeIODataList.size() != 0) {
+                Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+                builder.entity(workflowNodeIOData);
+                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/workflowinstancenodeoutput")
+    @Produces({MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON})
+    public Response getWorkflowInstanceNodeOutput(@QueryParam("workflowInstanceId") String workflowInstanceId,
+                                                  @QueryParam("nodeType") String nodeType) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try {
+            List<WorkflowNodeIOData> workflowNodeIODataList = airavataRegistry.getWorkflowInstanceNodeOutput(workflowInstanceId, nodeType);
+            WorkflowNodeIODataMapping[] workflowNodeIODataCollection = new WorkflowNodeIODataMapping[workflowNodeIODataList.size()];
+            WorkflowNodeIODataList workflowNodeIOData = new WorkflowNodeIODataList();
+            for (int i = 0; i < workflowNodeIODataList.size(); i++) {
+                WorkflowNodeIOData nodeIOData = workflowNodeIODataList.get(i);
+                WorkflowNodeIODataMapping workflowNodeIODataMapping = new WorkflowNodeIODataMapping();
+
+                workflowNodeIODataMapping.setExperimentId(nodeIOData.getExperimentId());
+                workflowNodeIODataMapping.setWorkflowId(nodeIOData.getWorkflowId());
+                workflowNodeIODataMapping.setWorkflowInstanceId(nodeIOData.getWorkflowInstanceId());
+                workflowNodeIODataMapping.setWorkflowName(nodeIOData.getWorkflowName());
+                workflowNodeIODataMapping.setWorkflowNodeType(nodeIOData.getNodeType().toString());
+                workflowNodeIODataCollection[i] = workflowNodeIODataMapping;
+            }
+            workflowNodeIOData.setWorkflowNodeIOData(workflowNodeIODataCollection);
+            if (workflowNodeIODataList.size() != 0) {
+                Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+                builder.entity(workflowNodeIOData);
+                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();
+        }
+    }
+    */
+
+    /**
+     * This method will return all the data related to a given experiment. This will include workflow
+     * status, input values, output values to the workflow, node statuses etc.
+     * @param experimentId experiment ID
+     * @return HTTP response
+     */
+    @GET
+    @Path(ResourcePathConstants.ProvenanceResourcePathConstants.GET_EXPERIMENT)
+    @Produces({MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON})
+    public Response getExperiment(@QueryParam("experimentId") String experimentId) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try{
+            ExperimentDataImpl experimentData = (ExperimentDataImpl)airavataRegistry.getExperiment(experimentId);
+            if (experimentData != null){
+                Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+                builder.entity(experimentData);
+                return builder.build();
+            } else {
+                Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+                builder.entity("No experiments available...");
+                return builder.build();
+            }
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            builder.entity(e.getMessage());
+            return builder.build();
+        }
+    }
+
+    /**
+     * This method will return all the experiment IDs for a given user
+     * @param username experiment execution user
+     * @return HTTP response
+     */
+    @GET
+    @Path(ResourcePathConstants.ProvenanceResourcePathConstants.GET_EXPERIMENT_ID_USER)
+    @Produces(MediaType.APPLICATION_XML)
+    public Response getExperimentIdByUser(@QueryParam("username") String username) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try{
+            ArrayList<String> experiments = (ArrayList)airavataRegistry.getExperimentIdByUser(username);
+            ExperimentIDList experimentIDList = new ExperimentIDList();
+            experimentIDList.setExperimentIDList(experiments);
+            if (experiments.size() != 0){
+                Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+                builder.entity(experimentIDList);
+                return builder.build();
+            } else {
+                Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+                builder.entity("No experiments available...");
+                return builder.build();
+            }
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            builder.entity(e.getMessage());
+            return builder.build();
+        }
+    }
+
+    /**
+     * This method will return all the experiments for a given user
+     * @param username experiment execution user
+     * @return  HTTP response
+     *
+     */
+    @GET
+    @Path(ResourcePathConstants.ProvenanceResourcePathConstants.GET_EXPERIMENT_USER)
+    @Produces({MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON})
+    public Response getExperimentByUser(@QueryParam("username") String username){
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try{
+            List<ExperimentData> experimentDataList = airavataRegistry.getExperimentByUser(username);
+            ExperimentDataList experimentData = new ExperimentDataList();
+            List<ExperimentDataImpl> experimentDatas = new ArrayList<ExperimentDataImpl>();
+            for (int i = 0; i < experimentDataList.size(); i ++){
+                experimentDatas.add((ExperimentDataImpl)experimentDataList.get(i));
+            }
+            experimentData.setExperimentDataList(experimentDatas);
+            if (experimentDataList.size() != 0) {
+                Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+                builder.entity(experimentData);
+                return builder.build();
+            } else {
+                Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+                builder.entity("No experiments available...");
+                return builder.build();
+            }
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            builder.entity(e.getMessage());
+            return builder.build();
+        }
+    }
+
+    /**
+     * This method will update the workflow node status
+     * @param workflowInstanceId  workflow instance ID
+     * @param nodeId  node ID
+     * @param executionStatus node execution status
+     * @return HTTP response
+     */
+    @POST
+    @Path(ResourcePathConstants.ProvenanceResourcePathConstants.UPDATE_WORKFLOWNODE_STATUS)
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response updateWorkflowNodeStatus(@FormParam("workflowInstanceId") String workflowInstanceId,
+                                             @FormParam("nodeId") String nodeId,
+                                             @FormParam("executionStatus") String executionStatus) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try{
+            WorkflowInstanceStatus.ExecutionStatus status = WorkflowInstanceStatus.ExecutionStatus.valueOf(executionStatus);
+            airavataRegistry.updateWorkflowNodeStatus(workflowInstanceId, nodeId, status);
+            Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+            builder.entity("Workflow node status updated successfully...");
+            return builder.build();
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            builder.entity(e.getMessage());
+            return builder.build();
+        }
+    }
+
+    /**
+     * This method will retrieve workflow status for a given workflow instance and node
+     * @param workflowInstanceId workflow instance ID
+     * @param nodeId node ID
+     * @return HTTP response
+     */
+    @GET
+    @Path(ResourcePathConstants.ProvenanceResourcePathConstants.GET_WORKFLOWNODE_STATUS)
+    @Produces({MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML})
+    public Response getWorkflowNodeStatus(@QueryParam("workflowInstanceId") String workflowInstanceId,
+                                          @QueryParam("nodeId") String nodeId){
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try{
+            WorkflowInstanceData workflowInstanceData = airavataRegistry.getWorkflowInstanceData(workflowInstanceId);
+            WorkflowInstanceNode workflowInstanceNode = workflowInstanceData.getNodeData(nodeId).getWorkflowInstanceNode();
+            WorkflowInstanceNodeStatus workflowNodeStatus = airavataRegistry.getWorkflowNodeStatus(workflowInstanceNode);
+            if(workflowNodeStatus != null){
+                Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+                builder.entity(workflowNodeStatus);
+                return builder.build();
+            } else {
+                Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+                builder.entity("Could not retrieve workflow node status...");
+                return builder.build();
+            }
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            builder.entity(e.getMessage());
+            return builder.build();
+        }
+    }
+
+    /**
+     * This method will retrieve workflow node started time
+     * @param workflowInstanceId workflow instance ID
+     * @param nodeId node ID
+     * @return  HTTP response
+     */
+    @GET
+    @Path(ResourcePathConstants.ProvenanceResourcePathConstants.GET_WORKFLOWNODE_STARTTIME)
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response getWorkflowNodeStartTime(@QueryParam("workflowInstanceId") String workflowInstanceId,
+                                             @QueryParam("nodeId") String nodeId) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try{
+            WorkflowInstanceData workflowInstanceData = airavataRegistry.getWorkflowInstanceData(workflowInstanceId);
+            WorkflowInstanceNode workflowInstanceNode = workflowInstanceData.getNodeData(nodeId).getWorkflowInstanceNode();
+            Date workflowNodeStartTime = airavataRegistry.getWorkflowNodeStartTime(workflowInstanceNode);
+            if(workflowNodeStartTime != null){
+                Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+                builder.entity(workflowNodeStartTime.toString());
+                return builder.build();
+            } else {
+                Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+                builder.entity("Could not retrieve workflow node started time...");
+                return builder.build();
+            }
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            builder.entity(e.getMessage());
+            return builder.build();
+        }
+    }
+
+    /**
+     * This method will return workflow started time
+     * @param workflowInstanceId workflow instance ID
+     * @return HTTP response
+     */
+    @GET
+    @Path(ResourcePathConstants.ProvenanceResourcePathConstants.GET_WORKFLOW_STARTTIME)
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response getWorkflowStartTime(@QueryParam("workflowInstanceId") String workflowInstanceId) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try{
+            WorkflowInstanceData workflowInstanceData = airavataRegistry.getWorkflowInstanceData(workflowInstanceId);
+            WorkflowInstance workflowInstance = workflowInstanceData.getWorkflowInstance();
+            Date workflowStartTime = airavataRegistry.getWorkflowStartTime(workflowInstance);
+            if(workflowStartTime != null){
+                Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+                builder.entity(workflowStartTime.toString());
+                return builder.build();
+            } else {
+                Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+                builder.entity("Could not retrieve workflow start time...");
+                return builder.build();
+            }
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            builder.entity(e.getMessage());
+            return builder.build();
+        }
+    }
+
+    /**
+     * This method will update workflow node Gram data
+     * @param workflowNodeGramData workflow node gram data object as a JSON input
+     * @return HTTP response
+     */
+    @GET
+    @Path(ResourcePathConstants.ProvenanceResourcePathConstants.UPDATE_WORKFLOWNODE_GRAMDATA)
+    @Consumes({MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML})
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response updateWorkflowNodeGramData(WorkflowNodeGramData workflowNodeGramData) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try{
+            airavataRegistry.updateWorkflowNodeGramData(workflowNodeGramData);
+            Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+            builder.entity("Workflow node Gram data updated successfully...");
+            return builder.build();
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            builder.entity(e.getMessage());
+            return builder.build();
+        }
+
+    }
+
+    /**
+     * This method will return all the information regarding a workflow instance
+     * @param workflowInstanceId workflow instance ID
+     * @return HTTP response
+     */
+    @GET
+    @Path(ResourcePathConstants.ProvenanceResourcePathConstants.GET_WORKFLOWINSTANCEDATA)
+    @Produces({MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML})
+    public Response getWorkflowInstanceData(@QueryParam("workflowInstanceId") String workflowInstanceId) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try{
+            WorkflowInstanceData workflowInstanceData = airavataRegistry.getWorkflowInstanceData(workflowInstanceId);
+            if (workflowInstanceData != null){
+                Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+                builder.entity(workflowInstanceData);
+                return builder.build();
+            } else {
+                Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+                builder.entity("Could not retrieve workflow instance data...");
+                return builder.build();
+            }
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            builder.entity(e.getMessage());
+            return builder.build();
+        }
+    }
+
+    /**
+     * This method wil check whether a workflow node present
+     * @param workflowInstanceId workflow instance ID
+     * @param nodeId node ID
+     * @return HTTP response
+     */
+    @GET
+    @Path(ResourcePathConstants.ProvenanceResourcePathConstants.WORKFLOWINSTANCE_NODE_EXIST)
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response isWorkflowInstanceNodePresent(@QueryParam("workflowInstanceId") String workflowInstanceId,
+                                                  @QueryParam("nodeId") String nodeId){
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try{
+            boolean workflowInstanceNodePresent = airavataRegistry.isWorkflowInstanceNodePresent(workflowInstanceId, nodeId);
+            if (workflowInstanceNodePresent){
+                Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+                builder.entity("Workflow instance node exists...");
+                return builder.build();
+            } else {
+                Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+                builder.entity("Workflow instance node does not exist...");
+                return builder.build();
+            }
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            builder.entity(e.getMessage());
+            return builder.build();
+        }
+
+    }
+
+    /**
+     * This method wil check whether a workflow node present and create a new workflow node according
+     * to createIfNotPresent flag
+     * @param workflowInstanceId workflow instance Id
+     * @param nodeId  node Id
+     * @param createIfNotPresent  flag whether to create a new node or not
+     * @return HTTP response
+     */
+    @POST
+    @Path(ResourcePathConstants.ProvenanceResourcePathConstants.WORKFLOWINSTANCE_NODE_EXIST_CREATE)
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response isWorkflowInstanceNodePresentCreate(@FormParam("workflowInstanceId") String workflowInstanceId,
+                                                        @FormParam("nodeId") String nodeId,
+                                                        @FormParam("createIfNotPresent") boolean createIfNotPresent){
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try{
+            boolean workflowInstanceNodePresent = airavataRegistry.isWorkflowInstanceNodePresent(workflowInstanceId, nodeId, createIfNotPresent);
+            if (workflowInstanceNodePresent){
+                Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+                builder.entity("Workflow instance node exists...");
+                return builder.build();
+            } else {
+                Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+                builder.entity("Workflow instance node does not exist...");
+                return builder.build();
+            }
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            builder.entity(e.getMessage());
+            return builder.build();
+        }
+
+    }
+
+
+    /**
+     * This method will return data related to the workflow instance node
+     * @param workflowInstanceId workflow instance ID
+     * @param nodeId node ID
+     * @return HTTP response
+     */
+    @GET
+    @Path(ResourcePathConstants.ProvenanceResourcePathConstants.WORKFLOWINSTANCE_NODE_DATA)
+    @Produces({MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML})
+    public Response getWorkflowInstanceNodeData(@QueryParam("workflowInstanceId") String workflowInstanceId,
+                                                @QueryParam("nodeId") String nodeId) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try{
+            WorkflowInstanceNodeData workflowInstanceNodeData = airavataRegistry.getWorkflowInstanceNodeData(workflowInstanceId, nodeId);
+            if (workflowInstanceNodeData != null){
+                Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+                builder.entity(workflowInstanceNodeData);
+                return builder.build();
+            }  else {
+                Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+                builder.entity("Could not retrieve workflow instance node data...");
+                return builder.build();
+            }
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+            builder.entity(e.getMessage());
+            return builder.build();
+        }
+
+    }
+
+    /**
+     * This method will add a workflow instance
+     * @param experimentId experiment ID
+     * @param workflowInstanceId  workflow instance ID
+     * @param templateName workflow template name
+     * @return  HTTP response
+     */
+    @POST
+    @Path(ResourcePathConstants.ProvenanceResourcePathConstants.ADD_WORKFLOWINSTANCE)
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response addWorkflowInstance(@FormParam("experimentId") String experimentId,
+                                        @FormParam("workflowInstanceId") String workflowInstanceId,
+                                        @FormParam("templateName") String templateName) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try{
+            airavataRegistry.addWorkflowInstance(experimentId, workflowInstanceId, templateName);
+            Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+            builder.entity("Workflow instance added successfully...");
+            return builder.build();
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+            builder.entity(e.getMessage());
+            return builder.build();
+        }
+    }
+
+    /**
+     * This method will update the workflow node type
+     * @param workflowInstanceId workflow instance ID
+     * @param nodeId node ID
+     * @param nodeType node type
+     * @return  HTTP response
+     */
+    @POST
+    @Path(ResourcePathConstants.ProvenanceResourcePathConstants.UPDATE_WORKFLOWNODETYPE)
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response updateWorkflowNodeType(@FormParam("workflowInstanceId") String workflowInstanceId,
+                                           @FormParam("nodeId") String nodeId,
+                                           @FormParam("nodeType") String nodeType) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try{
+            WorkflowInstanceNodeData workflowInstanceNodeData = airavataRegistry.getWorkflowInstanceData(workflowInstanceId).getNodeData(nodeId);
+            WorkflowInstanceNode workflowInstanceNode = workflowInstanceNodeData.getWorkflowInstanceNode();
+            WorkflowNodeType workflowNodeType = new WorkflowNodeType();
+
+            //currently from API only service node is being used
+            workflowNodeType.setNodeType(WorkflowNodeType.WorkflowNode.SERVICENODE);
+//            workflowNodeType.setNodeType(nodeType);
+            airavataRegistry.updateWorkflowNodeType(workflowInstanceNode, workflowNodeType);
+            Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+            builder.entity("Workflow instance node type updated successfully...");
+            return builder.build();
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            builder.entity(e.getMessage());
+            return builder.build();
+        }
+    }
+
+
+    /**
+     * This method will add a new node to workflow instance
+     * @param workflowInstanceId workflow instance ID
+     * @param nodeId  node ID
+     * @return  HTTP response
+     */
+    @POST
+    @Path(ResourcePathConstants.ProvenanceResourcePathConstants.ADD_WORKFLOWINSTANCENODE)
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response addWorkflowInstanceNode(@FormParam("workflowInstanceId") String workflowInstanceId,
+                                            @FormParam("nodeId") String nodeId) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try{
+            airavataRegistry.addWorkflowInstanceNode(workflowInstanceId, nodeId);
+            Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+            builder.entity("Workflow instance node added successfully...");
+            return builder.build();
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            builder.entity(e.getMessage());
+            return builder.build();
+        }
+    }
+
+
+    /**
+     * This method wil check whether the experiment name exists
+     * @param experimentName experiment name
+     * @return HTTP response
+     */
+    @GET
+    @Path(ResourcePathConstants.ProvenanceResourcePathConstants.EXPERIMENTNAME_EXISTS)
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response isExperimentNameExist(@QueryParam("experimentName") String experimentName){
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try{
+            boolean experimentNameExist = airavataRegistry.isExperimentNameExist(experimentName);
+            if (experimentNameExist){
+                Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+                builder.entity("Experiment name exists...");
+                return builder.build();
+            } else {
+                Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+                builder.entity("Experiment name does not exists...");
+                return builder.build();
+            }
+
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            builder.entity(e.getMessage());
+            return builder.build();
+        }
+
+    }
+
+    /**
+     * This method will return only information regarding to the experiment. Node information will
+     * not be retrieved
+     * @param experimentId experiment ID
+     * @return HTTP response
+     */
+    @GET
+    @Path(ResourcePathConstants.ProvenanceResourcePathConstants.GET_EXPERIMENT_METAINFORMATION)
+    @Produces({MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML})
+    public Response getExperimentMetaInformation(@QueryParam("experimentId") String experimentId){
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try{
+            ExperimentDataImpl experimentMetaInformation = (ExperimentDataImpl)airavataRegistry.getExperimentMetaInformation(experimentId);
+            if (experimentMetaInformation != null){
+                Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+                builder.entity(experimentMetaInformation);
+                return builder.build();
+            } else {
+                Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+                builder.entity("Could not retrieve experiment meta information...");
+                return builder.build();
+            }
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            builder.entity(e.getMessage());
+            return builder.build();
+        }
+    }
+
+    /**
+     * This method will return all meta information for all the experiments
+     * @param user experiment execution user
+     * @return HTTP response
+     */
+    @GET
+    @Path(ResourcePathConstants.ProvenanceResourcePathConstants.GET_ALL_EXPERIMENT_METAINFORMATION)
+    @Produces({MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML})
+    public Response getAllExperimentMetaInformation(@QueryParam("user") String user){
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try{
+            List<ExperimentData> allExperimentMetaInformation = airavataRegistry.getAllExperimentMetaInformation(user);
+            ExperimentDataList experimentDataList = new ExperimentDataList();
+            List<ExperimentDataImpl> experimentDatas = new ArrayList<ExperimentDataImpl>();
+            for (ExperimentData experimentData : allExperimentMetaInformation){
+                experimentDatas.add((ExperimentDataImpl)experimentData);
+            }
+            experimentDataList.setExperimentDataList(experimentDatas);
+            if (allExperimentMetaInformation.size() != 0){
+                Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+                builder.entity(experimentDataList);
+                return builder.build();
+            } else {
+                Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+                builder.entity("No experiment data available...");
+                return builder.build();
+            }
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            builder.entity(e.getMessage());
+            return builder.build();
+        }
+    }
+
+    /**
+     * This method will search all the experiments which has the name like given experiment name for
+     * a given experiment execution user
+     * @param user experiment execution user
+     * @param experimentNameRegex experiment name
+     * @return  HTTP response
+     */
+    @GET
+    @Path(ResourcePathConstants.ProvenanceResourcePathConstants.SEARCH_EXPERIMENTS)
+    @Produces({MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML})
+    public Response searchExperiments(@QueryParam("user") String user,
+                                      @QueryParam("experimentNameRegex") String experimentNameRegex){
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try{
+            List<ExperimentData> experimentDataList = airavataRegistry.searchExperiments(user, experimentNameRegex);
+            ExperimentDataList experimentData = new ExperimentDataList();
+            List<ExperimentDataImpl> experimentDatas = new ArrayList<ExperimentDataImpl>();
+            for (ExperimentData experimentData1 : experimentDataList){
+                experimentDatas.add((ExperimentDataImpl)experimentData1);
+            }
+            experimentData.setExperimentDataList(experimentDatas);
+            if (experimentDataList.size() != 0){
+                Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+                builder.entity(experimentData);
+                return builder.build();
+            } else {
+                Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+                builder.entity("No experiment data available...");
+                return builder.build();
+            }
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            builder.entity(e.getMessage());
+            return builder.build();
+        }
+
+    }
+
+
+}

Added: airavata/trunk/modules/airavata-rest-services/src/main/java/org/apache/airavata/services/registry/rest/resources/PublishWorkflowRegistryResource.java
URL: http://svn.apache.org/viewvc/airavata/trunk/modules/airavata-rest-services/src/main/java/org/apache/airavata/services/registry/rest/resources/PublishWorkflowRegistryResource.java?rev=1408798&view=auto
==============================================================================
--- airavata/trunk/modules/airavata-rest-services/src/main/java/org/apache/airavata/services/registry/rest/resources/PublishWorkflowRegistryResource.java (added)
+++ airavata/trunk/modules/airavata-rest-services/src/main/java/org/apache/airavata/services/registry/rest/resources/PublishWorkflowRegistryResource.java Tue Nov 13 15:52:16 2012
@@ -0,0 +1,270 @@
+/*
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+
+package org.apache.airavata.services.registry.rest.resources;
+
+import org.apache.airavata.registry.api.AiravataRegistry2;
+import org.apache.airavata.registry.api.exception.RegistryException;
+import org.apache.airavata.registry.api.exception.gateway.PublishedWorkflowAlreadyExistsException;
+import org.apache.airavata.registry.api.exception.gateway.PublishedWorkflowDoesNotExistsException;
+import org.apache.airavata.registry.api.exception.worker.UserWorkflowDoesNotExistsException;
+import org.apache.airavata.services.registry.rest.resourcemappings.PublishWorkflowNamesList;
+import org.apache.airavata.services.registry.rest.resourcemappings.Workflow;
+import org.apache.airavata.services.registry.rest.resourcemappings.WorkflowList;
+import org.apache.airavata.services.registry.rest.utils.ResourcePathConstants;
+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.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * This class is the REST interface for all the operations related to published workflows that has
+ * been exposed by Airavata Registry API
+ */
+@Path(ResourcePathConstants.PublishedWFConstants.REGISTRY_API_PUBLISHWFREGISTRY)
+public class PublishWorkflowRegistryResource {
+    private AiravataRegistry2 airavataRegistry;
+
+    @Context
+    ServletContext context;
+
+    /**---------------------------------Published Workflow Registry----------------------------------**/
+
+    /**
+     * This method will check whether a given published workflow name already exists
+     * @param workflowname publish workflow name
+     * @return HTTP response
+     */
+    @GET
+    @Path(ResourcePathConstants.PublishedWFConstants.PUBLISHWF_EXIST)
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response isPublishedWorkflowExists(@QueryParam("workflowname") String workflowname) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try{
+            boolean workflowExists = airavataRegistry.isPublishedWorkflowExists(workflowname);
+            if (workflowExists){
+                Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+                builder.entity("Publish workflow exists...");
+                return builder.build();
+            }else {
+                Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+                builder.entity("Publish workflow does not exists...");
+                return builder.build();
+            }
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            builder.entity(e.getMessage());
+            return builder.build();
+        }
+    }
+
+    /**
+     * This method will make a user workflow as a published workflow with the given name
+     * @param workflowName user workflow name
+     * @param publishWorkflowName name need to save the published workflow as
+     * @return HTTP response
+     */
+    @POST
+    @Path(ResourcePathConstants.PublishedWFConstants.PUBLISH_WORKFLOW)
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response publishWorkflow(@FormParam("workflowName") String workflowName,
+                                    @FormParam("publishWorkflowName") String publishWorkflowName)  {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try{
+            airavataRegistry.publishWorkflow(workflowName, publishWorkflowName);
+            Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+            builder.entity("Workflow published successfully...");
+            return builder.build();
+        } catch (UserWorkflowDoesNotExistsException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            builder.entity(e.getMessage());
+            return builder.build();
+        } catch (PublishedWorkflowAlreadyExistsException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            builder.entity(e.getMessage());
+            return builder.build();
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            builder.entity(e.getMessage());
+            return builder.build();
+        }
+    }
+
+    /**
+     * This method will publish a workflow with the default workflow name
+     * @param workflowName workflow name
+     * @return HTTP response
+     */
+    @POST
+    @Path(ResourcePathConstants.PublishedWFConstants.PUBLISH_DEFAULT_WORKFLOW)
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response publishWorkflow(@FormParam("workflowName") String workflowName){
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try{
+            airavataRegistry.publishWorkflow(workflowName);
+            Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+            builder.entity("Workflow published successfully...");
+            return builder.build();
+        } catch (UserWorkflowDoesNotExistsException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            builder.entity(e.getMessage());
+            return builder.build();
+        } catch (PublishedWorkflowAlreadyExistsException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            builder.entity(e.getMessage());
+            return builder.build();
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            builder.entity(e.getMessage());
+            return builder.build();
+        }
+    }
+
+    /**
+     * This method will return the worklflow graph
+     * @param workflowName workflow name
+     * @return HTTP response
+     */
+    @GET
+    @Path(ResourcePathConstants.PublishedWFConstants.GET_PUBLISHWORKFLOWGRAPH)
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response getPublishedWorkflowGraphXML(@QueryParam("workflowName") String workflowName) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try{
+            String publishedWorkflowGraphXML = airavataRegistry.getPublishedWorkflowGraphXML(workflowName);
+            if (publishedWorkflowGraphXML !=null){
+                Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+                builder.entity(publishedWorkflowGraphXML);
+                return builder.build();
+            }else {
+                Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+                builder.entity("Could not find workflow graph...");
+                return builder.build();
+            }
+        } catch (PublishedWorkflowDoesNotExistsException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            builder.entity(e.getMessage());
+            return builder.build();
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            builder.entity(e.getMessage());
+            return builder.build();
+        }
+    }
+
+    /**
+     * This method will return all the published workflow names
+     * @return HTTP response
+     */
+    @GET
+    @Path(ResourcePathConstants.PublishedWFConstants.GET_PUBLISHWORKFLOWNAMES)
+    @Produces({MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML})
+    public Response getPublishedWorkflowNames() {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try{
+            List<String> publishedWorkflowNames = airavataRegistry.getPublishedWorkflowNames();
+            PublishWorkflowNamesList publishWorkflowNamesList = new PublishWorkflowNamesList();
+            publishWorkflowNamesList.setPublishWorkflowNames(publishedWorkflowNames);
+            if (publishedWorkflowNames.size() != 0){
+                Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+                builder.entity(publishWorkflowNamesList);
+                return builder.build();
+            } else {
+                Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+                builder.entity("No published workflows available...");
+                return builder.build();
+            }
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            builder.entity(e.getMessage());
+            return builder.build();
+        }
+    }
+
+    /**
+     * This method will return all the published workflows
+     * @return HTTP response
+     */
+    @GET
+    @Path(ResourcePathConstants.PublishedWFConstants.GET_PUBLISHWORKFLOWS)
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response getPublishedWorkflows() {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try{
+            Map<String, String> publishedWorkflows = airavataRegistry.getPublishedWorkflows();
+            WorkflowList workflowList = new WorkflowList();
+            List<Workflow> workflowsModels = new ArrayList<Workflow>();
+            for (String workflowName : publishedWorkflows.keySet()){
+                Workflow workflow = new Workflow();
+                workflow.setWorkflowName(workflowName);
+                workflow.setWorkflowGraph(publishedWorkflows.get(workflowName));
+                workflowsModels.add(workflow);
+            }
+            workflowList.setWorkflowList(workflowsModels);
+            if(publishedWorkflows.size() != 0 ){
+                Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+                builder.entity(workflowList);
+                return builder.build();
+            } else {
+                Response.ResponseBuilder builder = Response.status(Response.Status.NO_CONTENT);
+                builder.entity("Publish workflows does not exists...");
+                return builder.build();
+            }
+
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            builder.entity(e.getMessage());
+            return builder.build();
+        }
+    }
+
+    /**
+     * This method will delete a published workflow with the given published workflow name
+     * @param workflowName published workflow name
+     * @return HTTP response
+     */
+    @GET
+    @Path(ResourcePathConstants.PublishedWFConstants.REMOVE_PUBLISHWORKFLOW)
+    @Produces(MediaType.TEXT_PLAIN)
+    public Response removePublishedWorkflow(@QueryParam("workflowName") String workflowName) {
+        airavataRegistry = (AiravataRegistry2) context.getAttribute(RestServicesConstants.AIRAVATA_REGISTRY);
+        try{
+            airavataRegistry.removePublishedWorkflow(workflowName);
+            Response.ResponseBuilder builder = Response.status(Response.Status.OK);
+            builder.entity("Publish workflow removed successfully...");
+            return builder.build();
+        } catch (PublishedWorkflowDoesNotExistsException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            builder.entity(e.getMessage());
+            return builder.build();
+        } catch (RegistryException e) {
+            Response.ResponseBuilder builder = Response.status(Response.Status.INTERNAL_SERVER_ERROR);
+            builder.entity(e.getMessage());
+            return builder.build();
+        }
+    }
+}

Added: airavata/trunk/modules/airavata-rest-services/src/main/java/org/apache/airavata/services/registry/rest/resources/RegistryApplication.java
URL: http://svn.apache.org/viewvc/airavata/trunk/modules/airavata-rest-services/src/main/java/org/apache/airavata/services/registry/rest/resources/RegistryApplication.java?rev=1408798&view=auto
==============================================================================
--- airavata/trunk/modules/airavata-rest-services/src/main/java/org/apache/airavata/services/registry/rest/resources/RegistryApplication.java (added)
+++ airavata/trunk/modules/airavata-rest-services/src/main/java/org/apache/airavata/services/registry/rest/resources/RegistryApplication.java Tue Nov 13 15:52:16 2012
@@ -0,0 +1,21 @@
+package org.apache.airavata.services.registry.rest.resources;
+
+import javax.ws.rs.core.Application;
+import java.util.HashSet;
+import java.util.Set;
+
+public class RegistryApplication extends Application {
+    @Override
+    public Set<Class<?>> getClasses() {
+        final Set<Class<?>> classes = new HashSet<Class<?>>();
+        // register root resource
+        classes.add(RegistryResource.class);
+        return classes;
+    }
+
+    @Override
+    public Set<Object> getSingletons() {
+        return super.getSingletons();
+    }
+
+}



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