1   /**
2    * Copyright (c) 2000-2009 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.portal.util.comparator;
24  
25  import com.liferay.portal.kernel.util.DateUtil;
26  import com.liferay.portal.model.UserTracker;
27  
28  import java.io.Serializable;
29  
30  import java.util.Comparator;
31  
32  /**
33   * <a href="UserTrackerModifiedDateComparator.java.html"><b><i>View Source</i>
34   * </b></a>
35   *
36   * @author Brian Wing Shun Chan
37   *
38   */
39  public class UserTrackerModifiedDateComparator
40      implements Comparator<UserTracker>, Serializable {
41  
42      public UserTrackerModifiedDateComparator() {
43          this(false);
44      }
45  
46      public UserTrackerModifiedDateComparator(boolean asc) {
47          _asc = asc;
48      }
49  
50      public int compare(UserTracker userTracker1, UserTracker userTracker2) {
51          int value = DateUtil.compareTo(
52              userTracker1.getModifiedDate(), userTracker2.getModifiedDate());
53  
54          if (_asc) {
55              return value;
56          }
57          else {
58              return -value;
59          }
60      }
61  
62      private boolean _asc;
63  
64  }