winery/org.eclipse.winery.repository/src/main/java/org/eclipse/winery/repository/resources/interfaces/InterfacesResource.java

   1 /*******************************************************************************
   2  * Copyright (c) 2012-2013 University of Stuttgart.
   3  * All rights reserved. This program and the accompanying materials
   4  * are made available under the terms of the Eclipse Public License v1.0
   5  * and the Apache License 2.0 which both accompany this distribution,
   6  * and are available at http://www.eclipse.org/legal/epl-v10.html
   7  * and http://www.apache.org/licenses/LICENSE-2.0
   8  *
   9  * Contributors:
  10  *     Oliver Kopp - initial API and implementation
  11  *******************************************************************************/
  12 package org.eclipse.winery.repository.resources.interfaces;
  13
  14 import java.util.List;
  15
  16 import javax.ws.rs.Consumes;
  17 import javax.ws.rs.FormParam;
  18 import javax.ws.rs.POST;
  19 import javax.ws.rs.Produces;
  20 import javax.ws.rs.core.MediaType;
  21 import javax.ws.rs.core.Response;
  22 import javax.ws.rs.core.Response.Status;
  23
  24 import org.apache.commons.lang3.StringUtils;
  25 import org.eclipse.winery.model.tosca.TInterface;
  26 import org.eclipse.winery.repository.backend.BackendUtils;
  27 import org.eclipse.winery.repository.resources._support.IPersistable;
  28 import org.eclipse.winery.repository.resources._support.collections.withid.EntityWithIdCollectionResource;
  29 import org.eclipse.winery.repository.resources.entitytypes.TopologyGraphElementEntityTypeResource;
  30 import org.eclipse.winery.repository.resources.entitytypes.relationshiptypes.RelationshipTypeResource;
  31 import org.restdoc.annotations.RestDoc;
  32 import org.slf4j.Logger;
  33 import org.slf4j.LoggerFactory;
  34
  35 import com.sun.jersey.api.view.Viewable;
  36
  37 public class InterfacesResource extends EntityWithIdCollectionResource<InterfaceResource, TInterface> {
  38
  39         private static final Logger logger = LoggerFactory.getLogger(InterfacesResource.class);
  40
  41         private TopologyGraphElementEntityTypeResource typeResource;
  42
  43         private String urlPrefix;
  44
  45
  46         public InterfacesResource(IPersistable res, List<TInterface> list) {
  47                 super(InterfaceResource.class, TInterface.class, list, res);
  48         }
  49
  50         /**
  51          * @param urlPrefix prefix to be prepended to the URL.
  52          *            "source"|"target"|null. E.g., "source" for "sourceinterfaces"
  53          */
  54         public InterfacesResource(String urlPrefix, List<TInterface> list, IPersistable typeResource) {
  55                 super(InterfaceResource.class, TInterface.class, list, typeResource);
  56                 this.urlPrefix = urlPrefix;
  57                 this.typeResource = (TopologyGraphElementEntityTypeResource) typeResource;
  58         }
  59
  60         @Override
  61         public Viewable getHTML() {
  62                 return new Viewable("/jsp/interfaces/interfaces.jsp", this);
  63         }
  64
  65         /**
  66          * Implementation base: <br />
  67          * {@link org.eclipse.winery.repository.resources.AbstractComponentResource.
  68          * onPost(String)}
  69          *
  70          * @return entity: id of the stored interface
  71          */
  72         @POST
  73         @RestDoc(methodDescription = "Creates a new interface. Returns conflict if interface already exists")
  74         @Consumes(MediaType.APPLICATION_FORM_URLENCODED)
  75         @Produces(MediaType.TEXT_PLAIN)
  76         public Response onPost(@FormParam("interfaceName") String interfaceName) {
  77                 if (StringUtils.isEmpty(interfaceName)) {
  78                         return Response.status(Status.BAD_REQUEST).entity("null interfaceName").build();
  79                 }
  80
  81                 TInterface iface = new TInterface();
  82                 iface.setName(interfaceName);
  83
  84                 // check for duplicates
  85                 // return "conflict" if interface already exists
  86                 if (this.alreadyContains(iface)) {
  87                         return Response.status(Status.CONFLICT).build();
  88                 }
  89
  90                 this.list.add(iface);
  91                 return BackendUtils.persist(this.res);
  92         }
  93
  94         /**
  95          * Required by interfaces.jsp
  96          */
  97         public String getUrlPrefix() {
  98                 return this.urlPrefix;
  99         }
 100
 101         @Override
 102         public String getId(TInterface entity) {
 103                 return entity.getName();
 104         }
 105
 106         /**
 107          * @return the namespace of the node/relationship type
 108          */
 109         public String getNamespace() {
 110                 return this.typeResource.getId().getNamespace().getDecoded();
 111         }
 112
 113         /**
 114          * @return the name of the node/relationship type
 115          */
 116         public String getName() {
 117                 return this.typeResource.getName();
 118         }
 119
 120         public String getRelationshipTypeOrNodeTypeURLFragment() {
 121                 if (this.typeResource instanceof RelationshipTypeResource) {
 122                         return "relationshiptype";
 123                 } else {
 124                         return "nodetype";
 125                 }
 126         }
 127
 128         public String getRelationshipTypeOrNodeType() {
 129                 if (this.typeResource instanceof RelationshipTypeResource) {
 130                         return "Relationship Type";
 131                 } else {
 132                         return "Node Type";
 133                 }
 134         }
 135
 136         public String getTypeQName() {
 137                 String res = this.typeResource.getId().getQName().toString();
 138                 return res;
 139         }
 140 }