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.util.comparator;
16  
17  import com.liferay.portal.kernel.util.DateUtil;
18  import com.liferay.portal.model.UserTracker;
19  
20  import java.io.Serializable;
21  
22  import java.util.Comparator;
23  
24  /**
25   * <a href="UserTrackerModifiedDateComparator.java.html"><b><i>View Source</i>
26   * </b></a>
27   *
28   * @author Brian Wing Shun Chan
29   */
30  public class UserTrackerModifiedDateComparator
31      implements Comparator<UserTracker>, Serializable {
32  
33      public UserTrackerModifiedDateComparator() {
34          this(false);
35      }
36  
37      public UserTrackerModifiedDateComparator(boolean asc) {
38          _asc = asc;
39      }
40  
41      public int compare(UserTracker userTracker1, UserTracker userTracker2) {
42          int value = DateUtil.compareTo(
43              userTracker1.getModifiedDate(), userTracker2.getModifiedDate());
44  
45          if (_asc) {
46              return value;
47          }
48          else {
49              return -value;
50          }
51      }
52  
53      private boolean _asc;
54  
55  }