1   /**
2    * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved.
3    *
4    * The contents of this file are subject to the terms of the Liferay Enterprise
5    * Subscription License ("License"). You may not use this file except in
6    * compliance with the License. You can obtain a copy of the License by
7    * contacting Liferay, Inc. See the License for the specific language governing
8    * permissions and limitations under the License, including but not limited to
9    * distribution rights of the Software.
10   *
11   *
12   *
13   */
14  
15  package com.liferay.portal.googleapps.comparator;
16  
17  import com.liferay.portal.googleapps.GUser;
18  
19  import java.util.Comparator;
20  
21  /**
22   * <a href="GUserUserIdComparator.java.html"><b><i>View Source</i></b></a>
23   *
24   * @author Brian Wing Shun Chan
25   */
26  public class GUserUserIdComparator implements Comparator<GUser> {
27  
28      public GUserUserIdComparator() {
29          this(true);
30      }
31  
32      public GUserUserIdComparator(boolean ascending) {
33          _ascending = ascending;
34      }
35  
36      public int compare(GUser user1, GUser user2) {
37          long userId1 = user1.getUserId();
38          long userId2 = user2.getUserId();
39  
40          int value = 0;
41  
42          if (userId1 < userId2) {
43              value = -1;
44          }
45          else if (userId1 > userId2) {
46              value = 1;
47          }
48  
49          if (_ascending) {
50              return value;
51          }
52          else {
53              return -value;
54          }
55      }
56  
57      private boolean _ascending;
58  
59  }