1   /**
2    * Copyright (c) 2000-2007 Liferay, Inc. All rights reserved.
3    *
4    * Permission is hereby granted, free of charge, to any person obtaining a copy
5    * of this software and associated documentation files (the "Software"), to deal
6    * in the Software without restriction, including without limitation the rights
7    * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8    * copies of the Software, and to permit persons to whom the Software is
9    * furnished to do so, subject to the following conditions:
10   *
11   * The above copyright notice and this permission notice shall be included in
12   * all copies or substantial portions of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portlet.messaging.util.comparator;
24  
25  import java.util.Comparator;
26  
27  import org.jivesoftware.smack.RosterEntry;
28  
29  /**
30   * <a href="NameComparator.java.html"><b><i>View Source</i></b></a>
31   *
32   * @author Ming-Gih Lam
33   *
34   */
35  public class NameComparator implements Comparator {
36  
37      public NameComparator() {
38          _asc = true;
39      }
40  
41      public NameComparator(boolean asc) {
42          _asc = asc;
43      }
44  
45      public int compare(Object obj1, Object obj2) {
46          RosterEntry entry1 = (RosterEntry)obj1;
47          RosterEntry entry2 = (RosterEntry)obj2;
48  
49          String name1 = entry1.getName().toLowerCase();
50          String name2 = entry2.getName().toLowerCase();
51  
52          int value = name1.compareTo(name2);
53  
54          if (_asc) {
55              return value;
56          }
57          else {
58              return -value;
59          }
60      }
61  
62      private boolean _asc;
63  
64  }