winery/org.eclipse.winery.repository/src/main/java/org/eclipse/winery/repository/resources/InheritanceResource.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;
  13
  14 import java.util.SortedSet;
  15 import java.util.TreeSet;
  16
  17 import javax.ws.rs.GET;
  18 import javax.ws.rs.Produces;
  19 import javax.ws.rs.core.MediaType;
  20
  21 import org.eclipse.winery.common.ids.definitions.TOSCAComponentId;
  22 import org.eclipse.winery.repository.backend.Repository;
  23
  24 import com.sun.jersey.api.view.Viewable;
  25
  26 /**
  27  * Class for managing inheritance properties: abstract, final, derivedFromn
  28  *
  29  * The linking in the resources tree is different than the others. Here, there
  30  * is no additional Id generated.
  31  *
  32  * We separated the code here to have the collection of valid super types in a
  33  * separate class. We think, this is less confusing than including this
  34  * functionality in
  35  * AbstractComponentInstanceResourceWithNameDerivedFromAbstractFinalDefinitionsBacked
  36  */
  37 public class InheritanceResource {
  38
  39         private AbstractComponentInstanceResourceWithNameDerivedFromAbstractFinal managedResource;
  40
  41
  42         public InheritanceResource(AbstractComponentInstanceResourceWithNameDerivedFromAbstractFinal res) {
  43                 this.managedResource = res;
  44         }
  45
  46         @GET
  47         @Produces(MediaType.TEXT_HTML)
  48         public Viewable getHTML() {
  49                 return new Viewable("/jsp/inheritance.jsp", this);
  50         }
  51
  52         public String getIsAbstract() {
  53                 return this.managedResource.getIsAbstract();
  54         }
  55
  56         public String getIsFinal() {
  57                 return this.managedResource.getIsAbstract();
  58         }
  59
  60         public String getDerivedFrom() {
  61                 return this.managedResource.getDerivedFrom();
  62         }
  63
  64         /** JSP Data **/
  65
  66         public SortedSet<? extends TOSCAComponentId> getPossibleSuperTypes() {
  67                 // sorted by Name, not by namespace
  68                 SortedSet<? extends TOSCAComponentId> allTOSCAcomponentIds = Repository.INSTANCE.getAllTOSCAComponentIds(this.managedResource.getId().getClass());
  69                 SortedSet<? extends TOSCAComponentId> res = new TreeSet<>(allTOSCAcomponentIds);
  70                 res.remove(this.managedResource.getId());
  71                 // FEATURE: Possibly exclude all subtypes to avoid circles. However, this could be disappointing for users who know what they are doing
  72                 return res;
  73         }
  74 }