PDESourceLookupDirector


1   /*******************************************************************************
2    * Copyright (c) 2005, 2007 IBM Corporation and others.
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    * which accompanies this distribution, and is available at
6    * http://www.eclipse.org/legal/epl-v10.html
7    *
8    * Contributors:
9    *     IBM Corporation - initial API and implementation
10   *******************************************************************************/
11  package org.eclipse.pde.internal.ui.launcher;
12  
13  import java.util.HashSet  ;
14  import java.util.Set  ;
15  
16  import org.eclipse.core.runtime.CoreException;
17  import org.eclipse.core.runtime.SafeRunner;
18  import org.eclipse.debug.core.sourcelookup.AbstractSourceLookupDirector;
19  import org.eclipse.debug.core.sourcelookup.ISourceContainerType;
20  import org.eclipse.debug.core.sourcelookup.ISourceLookupParticipant;
21  import org.eclipse.debug.core.sourcelookup.containers.ProjectSourceContainer;
22  import org.eclipse.debug.core.sourcelookup.containers.WorkspaceSourceContainer;
23  import org.eclipse.debug.ui.sourcelookup.WorkingSetSourceContainer;
24  import org.eclipse.jdt.debug.core.IJavaObject;
25  import org.eclipse.jdt.debug.core.IJavaReferenceType;
26  import org.eclipse.jdt.debug.core.IJavaStackFrame;
27  import org.eclipse.jdt.launching.sourcelookup.containers.JavaSourceLookupParticipant;
28  
29  public class PDESourceLookupDirector extends AbstractSourceLookupDirector {
30  
31      private static Set   fFilteredTypes;
32      
33      static {
34          fFilteredTypes = new HashSet  (3);
35          fFilteredTypes.add(ProjectSourceContainer.TYPE_ID);
36          fFilteredTypes.add(WorkspaceSourceContainer.TYPE_ID);
37          fFilteredTypes.add(WorkingSetSourceContainer.TYPE_ID); //$NON-NLS-1$
38      }
39      
40      /* (non-Javadoc)
41       * @see org.eclipse.debug.internal.core.sourcelookup.ISourceLookupDirector#initializeParticipants()
42       */
43      public void initializeParticipants() {
44          addParticipants(new ISourceLookupParticipant[] {new JavaSourceLookupParticipant()});
45      }
46      
47      /* (non-Javadoc)
48       * @see org.eclipse.debug.internal.core.sourcelookup.ISourceLookupDirector#supportsSourceContainerType(org.eclipse.debug.internal.core.sourcelookup.ISourceContainerType)
49       */
50      public boolean supportsSourceContainerType(ISourceContainerType type) {
51          return !fFilteredTypes.contains(type.getId());
52      }
53      
54      /* (non-Javadoc)
55       * @see org.eclipse.debug.core.sourcelookup.AbstractSourceLookupDirector#getSourceElement(java.lang.Object)
56       */
57      public Object   getSourceElement(Object   element) {
58          PDESourceLookupQuery query = new PDESourceLookupQuery(element);
59          SafeRunner.run(query);
60          Object   result = query.getResult();
61          return result != null ? result : super.getSourceElement(element);
62      }
63      
64      /* (non-Javadoc)
65       * @see org.eclipse.debug.core.sourcelookup.AbstractSourceLookupDirector#findSourceElements(java.lang.Object)
66       */
67      public Object  [] findSourceElements(Object   object) throws CoreException {
68          Object  [] sourceElements = null;
69          if (object instanceof IJavaStackFrame || object instanceof IJavaObject || object instanceof IJavaReferenceType){
70              sourceElements = new Object  [] {getSourceElement(object)};
71          }
72          if (sourceElements == null) {
73              sourceElements = super.findSourceElements(object);
74          }
75          return sourceElements;
76      }
77      
78  }
79
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