1   /**
2    * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved.
3    *
4    * This library is free software; you can redistribute it and/or modify it under
5    * the terms of the GNU Lesser General Public License as published by the Free
6    * Software Foundation; either version 2.1 of the License, or (at your option)
7    * any later version.
8    *
9    * This library is distributed in the hope that it will be useful, but WITHOUT
10   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
11   * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
12   * details.
13   */
14  
15  package com.liferay.portal.kernel.googleapps.comparator;
16  
17  import com.liferay.portal.kernel.googleapps.GUser;
18  
19  import java.util.Comparator;
20  
21  /**
22   * <a href="GUserLastNameComparator.java.html"><b><i>View Source</i></b></a>
23   *
24   * @author Brian Wing Shun Chan
25   */
26  public class GUserLastNameComparator implements Comparator<GUser> {
27  
28      public GUserLastNameComparator() {
29          this(true);
30      }
31  
32      public GUserLastNameComparator(boolean ascending) {
33          _ascending = ascending;
34      }
35  
36      public int compare(GUser user1, GUser user2) {
37          String lastName1 = user1.getLastName();
38          String lastName2 = user2.getLastName();
39  
40          int value = lastName1.compareTo(lastName2);
41  
42          if (_ascending) {
43              return value;
44          }
45          else {
46              return -value;
47          }
48      }
49  
50      private boolean _ascending;
51  
52  }