PackageFragmentRootContainer


1   /*******************************************************************************
2    * Copyright (c) 2000, 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.jdt.internal.ui.packageview;
12  
13  import org.eclipse.core.runtime.Assert;
14  import org.eclipse.core.runtime.IAdaptable;
15  
16  import org.eclipse.jface.resource.ImageDescriptor;
17  
18  import org.eclipse.ui.model.IWorkbenchAdapter;
19  
20  import org.eclipse.jdt.core.IJavaProject;
21  import org.eclipse.jdt.core.IPackageFragmentRoot;
22  
23  public abstract class PackageFragmentRootContainer implements IAdaptable {
24      
25      private static WorkbenchAdapterImpl fgAdapterInstance= new WorkbenchAdapterImpl();
26      
27      private static class WorkbenchAdapterImpl implements IWorkbenchAdapter {
28  
29          /* (non-Javadoc)
30           * @see org.eclipse.ui.model.IWorkbenchAdapter#getChildren(java.lang.Object)
31           */
32          public Object  [] getChildren(Object   o) {
33              if (o instanceof PackageFragmentRootContainer)
34                  return ((PackageFragmentRootContainer) o).getChildren();
35              return new Object  [0];
36          }
37  
38          /* (non-Javadoc)
39           * @see org.eclipse.ui.model.IWorkbenchAdapter#getImageDescriptor(java.lang.Object)
40           */
41          public ImageDescriptor getImageDescriptor(Object   o) {
42              if (o instanceof PackageFragmentRootContainer)
43                  return ((PackageFragmentRootContainer) o).getImageDescriptor();
44              return null;
45          }
46  
47          /* (non-Javadoc)
48           * @see org.eclipse.ui.model.IWorkbenchAdapter#getLabel(java.lang.Object)
49           */
50          public String   getLabel(Object   o) {
51              if (o instanceof PackageFragmentRootContainer)
52                  return ((PackageFragmentRootContainer) o).getLabel();
53              return new String  ();
54          }
55  
56          /* (non-Javadoc)
57           * @see org.eclipse.ui.model.IWorkbenchAdapter#getParent(java.lang.Object)
58           */
59          public Object   getParent(Object   o) {
60              if (o instanceof PackageFragmentRootContainer)
61                  return ((PackageFragmentRootContainer) o).getJavaProject();
62              return null;
63          }
64      }
65      
66      private IJavaProject fProject;
67  
68      public PackageFragmentRootContainer(IJavaProject project) {
69          Assert.isNotNull(project);
70          fProject= project;
71      }
72  
73      public Object   getAdapter(Class   adapter) {
74          if (adapter == IWorkbenchAdapter.class) 
75              return fgAdapterInstance;
76          return null;
77      }
78  
79      public abstract IAdaptable[] getChildren();
80      
81      public abstract IPackageFragmentRoot[] getPackageFragmentRoots();
82      
83      public abstract String   getLabel();
84      
85      public abstract ImageDescriptor getImageDescriptor();
86      
87      public IJavaProject getJavaProject() {
88          return fProject;
89      }
90  }
91
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