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.blogs.util.comparator;
24  
25  import com.liferay.portal.kernel.util.DateUtil;
26  import com.liferay.portal.kernel.util.OrderByComparator;
27  import com.liferay.portlet.blogs.model.BlogsStatsUser;
28  
29  /**
30   * <a href="StatsUserLastPostDateComparator.java.html"><b><i>View Source</i></b>
31   * </a>
32   *
33   * @author Brian Wing Shun Chan
34   *
35   */
36  public class StatsUserLastPostDateComparator extends OrderByComparator {
37  
38      public static String ORDER_BY_ASC = "lastPostDate ASC";
39  
40      public static String ORDER_BY_DESC = "lastPostDate DESC";
41  
42      public StatsUserLastPostDateComparator(boolean asc) {
43          _asc = asc;
44      }
45  
46      public int compare(Object obj1, Object obj2) {
47          BlogsStatsUser statsUser1 = (BlogsStatsUser)obj1;
48          BlogsStatsUser statsUser2 = (BlogsStatsUser)obj2;
49  
50          int value = DateUtil.compareTo(
51              statsUser1.getLastPostDate(), statsUser2.getLastPostDate());
52  
53          if (_asc) {
54              return value;
55          }
56          else {
57              return -value;
58          }
59      }
60  
61      public String getOrderBy() {
62          if (_asc) {
63              return ORDER_BY_ASC;
64          }
65          else {
66              return ORDER_BY_DESC;
67          }
68      }
69  
70      private boolean _asc;
71  
72  }