ReverseComparator


1   // Copyright 2004, 2005 The Apache Software Foundation
2   //
3   // Licensed under the Apache License, Version 2.0 (the "License");
4   // you may not use this file except in compliance with the License.
5   // You may obtain a copy of the License at
6   //
7   //     http://www.apache.org/licenses/LICENSE-2.0
8   //
9   // Unless required by applicable law or agreed to in writing, software
10  // distributed under the License is distributed on an "AS IS" BASIS,
11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  // See the License for the specific language governing permissions and
13  // limitations under the License.
14  
15  package org.apache.tapestry.contrib.table.model.common;
16  
17  import java.util.Comparator  ;
18  
19  /**
20   * @author mindbridge
21   *
22   */
23  public class ReverseComparator implements Comparator  
24  {
25      private Comparator   m_objComparator;
26  
27      public ReverseComparator(Comparator   objComparator)
28      {
29          m_objComparator = objComparator;
30      }
31  
32      /**
33       * @see java.util.Comparator#compare(Object, Object)
34       */
35      public int compare(Object   objValue1, Object   objValue2)
36      {
37          return -m_objComparator.compare(objValue1, objValue2);
38      }
39  
40  }
41

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