1   /**
2    * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved.
3    *
4    * This library is free software; you can redistribute it and/or modify it under
5    * the terms of the GNU Lesser General Public License as published by the Free
6    * Software Foundation; either version 2.1 of the License, or (at your option)
7    * any later version.
8    *
9    * This library is distributed in the hope that it will be useful, but WITHOUT
10   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
11   * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
12   * details.
13   */
14  
15  package com.liferay.portal.util.comparator;
16  
17  import com.liferay.portal.kernel.util.OrderByComparator;
18  import com.liferay.portal.model.Role;
19  
20  /**
21   * <a href="RoleDescriptionComparator.java.html"><b><i>View Source</i></b></a>
22   *
23   * @author Brian Wing Shun Chan
24   */
25  public class RoleDescriptionComparator extends OrderByComparator {
26  
27      public static String ORDER_BY_ASC =
28          "Role_.description ASC, Role_.name ASC";
29  
30      public static String ORDER_BY_DESC =
31          "Role_.description DESC, Role_.name DESC";
32  
33      public static String[] ORDER_BY_FIELDS = {"description", "name"};
34  
35      public RoleDescriptionComparator() {
36          this(false);
37      }
38  
39      public RoleDescriptionComparator(boolean asc) {
40          _asc = asc;
41      }
42  
43      public int compare(Object obj1, Object obj2) {
44          Role role1 = (Role)obj1;
45          Role role2 = (Role)obj2;
46  
47          int value = role1.getDescription().compareTo(
48              role2.getDescription());
49  
50          if (value == 0) {
51              value = role1.getName().compareTo(role2.getName());
52          }
53  
54          if (_asc) {
55              return value;
56          }
57          else {
58              return -value;
59          }
60      }
61  
62      public String getOrderBy() {
63          if (_asc) {
64              return ORDER_BY_ASC;
65          }
66          else {
67              return ORDER_BY_DESC;
68          }
69      }
70  
71      public String[] getOrderByFields() {
72          return ORDER_BY_FIELDS;
73      }
74  
75      public boolean isAscending() {
76          return _asc;
77      }
78  
79      private boolean _asc;
80  
81  }