bundles/org.simantics.modeling/src/org/simantics/modeling/adapters/ElementStringAdapter.java

   1 /*******************************************************************************
   2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management
   3  * in Industry THTH ry.
   4  * All rights reserved. This program and the accompanying materials
   5  * are made available under the terms of the Eclipse Public License v1.0
   6  * which accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *     VTT Technical Research Centre of Finland - initial API and implementation
  11  *******************************************************************************/
  12 package org.simantics.modeling.adapters;
  13
  14 import org.simantics.db.ReadGraph;
  15 import org.simantics.db.Resource;
  16 import org.simantics.db.common.adaption.SimpleAdapter;
  17 import org.simantics.db.exception.AdaptionException;
  18 import org.simantics.db.exception.ServiceException;
  19 import org.simantics.db.exception.ValidationException;
  20 import org.simantics.layer0.Layer0;
  21 import org.simantics.modeling.ModelingResources;
  22
  23 public class ElementStringAdapter extends SimpleAdapter<String> {
  24
  25     @Override
  26     public String adapt(ReadGraph g, Resource r) throws ValidationException, ServiceException {
  27
  28         try {
  29             ModelingResources mr = ModelingResources.getInstance(g);
  30             Resource name = r;
  31             Resource component = g.getPossibleObject(r, mr.ElementToComponent);
  32             if (component != null)
  33                 name = component;
  34             StringBuilder sb = new StringBuilder();
  35                 Layer0 b = Layer0.getInstance(g);
  36             String nameName = g.getPossibleRelatedValue(name, b.HasName);
  37             if (nameName != null)
  38                 sb.append(nameName);
  39             boolean first = true;
  40             for (Resource rType : g.getPrincipalTypes(r)) {
  41                 String s = g.adapt(rType, String.class);
  42                 if (first) {
  43                     sb.append(" : ");
  44                     first = false;
  45                 } else {
  46                     sb.append(", ");
  47                 }
  48                 sb.append(s);
  49             }
  50             return sb.toString();
  51         } catch (AdaptionException e) {
  52
  53             throw new ValidationException(e);
  54
  55         }
  56
  57     }
  58
  59 }