winery/org.eclipse.winery.repository/src/main/java/org/eclipse/winery/repository/resources/entitytypes/nodetypes/reqandcapdefs/RequirementDefinitionResource.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.entitytypes.nodetypes.reqandcapdefs;
  13
  14 import java.util.List;
  15
  16 import javax.ws.rs.FormParam;
  17 import javax.ws.rs.PUT;
  18 import javax.ws.rs.Path;
  19 import javax.ws.rs.core.Response;
  20 import javax.xml.namespace.QName;
  21
  22 import org.eclipse.winery.model.tosca.TConstraint;
  23 import org.eclipse.winery.model.tosca.TRequirementDefinition;
  24 import org.eclipse.winery.model.tosca.TRequirementDefinition.Constraints;
  25 import org.eclipse.winery.repository.backend.BackendUtils;
  26 import org.eclipse.winery.repository.resources.AbstractComponentInstanceResource;
  27 import org.eclipse.winery.repository.resources._support.IPersistable;
  28 import org.eclipse.winery.repository.resources._support.collections.IIdDetermination;
  29 import org.eclipse.winery.repository.resources.entitytypes.nodetypes.NodeTypeResource;
  30
  31 public final class RequirementDefinitionResource extends AbstractReqOrCapDefResource<TRequirementDefinition> {
  32
  33         private TRequirementDefinition reqDef;
  34
  35
  36         /**
  37          * Constructor has to follow the pattern of EnetityTResource as the
  38          * constructor is invoked by reflection in EntityWithIdcollectionResource
  39          *
  40          * @param res the resource this req def is nested in. Has to be of Type
  41          *            "NodeTypeResource". Due to the implementation of
  42          *            org.eclipse.winery .repository.resources._support.collections.
  43          *            withid.EntityWithIdCollectionResource
  44          *            .getEntityResourceInstance(EntityT, int), we have to use
  45          *            "AbstractComponentInstanceResource" as type
  46          */
  47         public RequirementDefinitionResource(IIdDetermination<TRequirementDefinition> idDetermination, TRequirementDefinition reqDef, int idx, List<TRequirementDefinition> list, AbstractComponentInstanceResource res) {
  48                 super(idDetermination, reqDef, idx, list, (NodeTypeResource) res, RequirementDefinitionResource.getConstraints(reqDef));
  49                 this.reqDef = reqDef;
  50         }
  51
  52         /**
  53          * Quick fix to avoid internal server error when opening
  54          * RequirementDefinitions Tab
  55          */
  56         public RequirementDefinitionResource(IIdDetermination<TRequirementDefinition> idDetermination, TRequirementDefinition reqDef, int idx, List<TRequirementDefinition> list, IPersistable res) {
  57                 this(idDetermination, reqDef, idx, list, (AbstractComponentInstanceResource) res);
  58         }
  59
  60         /**
  61          * Fetch the list of constraints from the given definition. If the list does
  62          * not exist, the list is created an stored in the given def
  63          */
  64         public static List<TConstraint> getConstraints(TRequirementDefinition def) {
  65                 Constraints constraints = def.getConstraints();
  66                 if (constraints == null) {
  67                         constraints = new Constraints();
  68                         def.setConstraints(constraints);
  69                 }
  70                 return constraints.getConstraint();
  71         }
  72
  73         public QName getType() {
  74                 return this.reqDef.getRequirementType();
  75         }
  76
  77         @PUT
  78         @Path("type")
  79         public Response setType(@FormParam(value = "type") String value) {
  80                 QName qname = QName.valueOf(value);
  81                 this.reqDef.setRequirementType(qname);
  82                 return BackendUtils.persist(this.parent);
  83         }
  84
  85         @Override
  86         public String getId(TRequirementDefinition e) {
  87                 return e.getName();
  88         }
  89 }