AbstractNLModel


1   /*******************************************************************************
2    * Copyright (c) 2006, 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.core;
12  
13  import org.eclipse.core.resources.IResource;
14  
15  public abstract class AbstractNLModel extends AbstractModel {
16      protected transient NLResourceHelper fNLHelper;
17  
18      public NLResourceHelper getNLResourceHelper() {
19          if (fNLHelper == null)
20              fNLHelper = createNLResourceHelper();
21          return fNLHelper;
22      }
23  
24      public void resetNLResourceHelper() {
25          fNLHelper = null;
26      }
27  
28      public void dispose() {
29          if (fNLHelper != null) {
30              fNLHelper.dispose();
31              fNLHelper = null;
32          }
33          super.dispose();
34      }
35  
36      public String   getResourceString(String   key) {
37          if (key == null)
38              return ""; //$NON-NLS-1$
39  
40          if (fNLHelper == null)
41              fNLHelper = createNLResourceHelper();
42          
43          return fNLHelper != null ? fNLHelper.getResourceString(key) : key;
44      }
45      
46      protected abstract NLResourceHelper createNLResourceHelper();
47      
48      public Object   getAdapter(Class   adapter) {
49          if(adapter == IResource.class) {
50              IResource resource = getUnderlyingResource();
51              return resource == null ? null : resource.getProject();
52          }
53          return super.getAdapter(adapter);
54      }
55  
56  }
57
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