ExternalClassFileEditorInput


1   /*******************************************************************************
2    * Copyright (c) 2000, 2005 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.javaeditor;
12  
13  
14  
15  import org.eclipse.core.resources.IFile;
16  
17  import org.eclipse.ui.part.FileEditorInput;
18  
19  import org.eclipse.jdt.core.IClassFile;
20  import org.eclipse.jdt.core.JavaCore;
21  
22  
23  /**
24   * Editor input for .class files on the file system.
25   */
26  public class ExternalClassFileEditorInput extends FileEditorInput implements IClassFileEditorInput {
27  
28      private IClassFile fClassFile;
29  
30      ExternalClassFileEditorInput(IFile file) {
31          super(file);
32          refresh();
33      }
34  
35      /*
36       * @see IClassFileEditorInput#getClassFile()
37       */
38      public IClassFile getClassFile() {
39          return fClassFile;
40      }
41  
42      /**
43       * Refreshes this input element. Workaround for non-updating class file elements.
44       */
45      public void refresh() {
46          Object   element= JavaCore.create(getFile());
47          if (element instanceof IClassFile)
48              fClassFile= (IClassFile) element;
49      }
50  
51      /*
52       * @see IAdaptable#getAdapter(Class)
53       */
54      public Object   getAdapter(Class   adapter) {
55          if (adapter == IClassFile.class)
56              return fClassFile;
57          return fClassFile.getAdapter(adapter);
58      }
59  
60  }
61

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