Properties


1   /*******************************************************************************
2    * Copyright (c) 2000, 2006 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.refactoring.nls.search;
12  
13  import java.util.Set  ;
14  
15  import org.eclipse.core.runtime.Assert;
16  
17  
18  
19  class Properties extends java.util.Properties   {
20      
21      private static final long serialVersionUID= 1L;
22      
23      private Set   fDuplicateKeys;
24  
25      public Properties() {
26      }
27      
28      public Properties(Set   duplicateKeys) {
29          super();
30          Assert.isNotNull(duplicateKeys);
31          fDuplicateKeys= duplicateKeys;
32      }
33      
34      public Properties (Properties properties, Set   duplicateKeys) {
35          super(properties);
36          Assert.isNotNull(duplicateKeys);
37          fDuplicateKeys= duplicateKeys;
38      }
39      /*
40       * @see java.util.Map#put(Object, Object)
41       */
42      public Object   put(Object   arg0, Object   arg1) {
43          if (arg0 != null && containsKey(arg0))
44              fDuplicateKeys.add(arg0);
45          return super.put(arg0, arg1);
46      }
47  }
48

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