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.portlet.bookmarks.util.comparator;
24  
25  import com.liferay.portal.kernel.util.DateUtil;
26  import com.liferay.portal.kernel.util.OrderByComparator;
27  import com.liferay.portlet.bookmarks.model.BookmarksEntry;
28  
29  /**
30   * <a href="EntryCreateDateComparator.java.html"><b><i>View Source</i></b></a>
31   *
32   * @author Brian Wing Shun Chan
33   *
34   */
35  public class EntryCreateDateComparator extends OrderByComparator {
36  
37      public static String ORDER_BY_ASC = "createDate ASC";
38  
39      public static String ORDER_BY_DESC = "createDate DESC";
40  
41      public EntryCreateDateComparator() {
42          this(false);
43      }
44  
45      public EntryCreateDateComparator(boolean asc) {
46          _asc = asc;
47      }
48  
49      public int compare(Object obj1, Object obj2) {
50          BookmarksEntry entry1 = (BookmarksEntry)obj1;
51          BookmarksEntry entry2 = (BookmarksEntry)obj2;
52  
53          int value = DateUtil.compareTo(
54              entry1.getCreateDate(), entry2.getCreateDate());
55  
56          if (_asc) {
57              return value;
58          }
59          else {
60              return -value;
61          }
62      }
63  
64      public String getOrderBy() {
65          if (_asc) {
66              return ORDER_BY_ASC;
67          }
68          else {
69              return ORDER_BY_DESC;
70          }
71      }
72  
73      private boolean _asc;
74  
75  }