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.portal.util.comparator;
24  
25  import com.liferay.portal.kernel.util.OrderByComparator;
26  import com.liferay.portal.model.User;
27  
28  /**
29   * <a href="ContactLastNameComparator.java.html"><b><i>View Source</i></b></a>
30   *
31   * @author Brian Wing Shun Chan
32   *
33   */
34  public class ContactLastNameComparator extends OrderByComparator {
35  
36      public static String ORDER_BY_ASC =
37          "Contact_.lastName ASC, Contact_.firstName ASC, " +
38              "Contact_.middleName ASC";
39  
40      public static String ORDER_BY_DESC =
41          "Contact_.lastName DESC, Contact_.firstName DESC, " +
42              "Contact_.middleName DESC";
43  
44      public ContactLastNameComparator() {
45          this(false);
46      }
47  
48      public ContactLastNameComparator(boolean asc) {
49          _asc = asc;
50      }
51  
52      public int compare(Object obj1, Object obj2) {
53          User user1 = (User)obj1;
54          User user2 = (User)obj2;
55  
56          int value =
57              user1.getLastName().compareTo(user2.getLastName());
58  
59          if (value == 0) {
60              value = user1.getFirstName().compareTo(user2.getFirstName());
61          }
62  
63          if (value == 0) {
64              value = user1.getMiddleName().compareTo(user2.getMiddleName());
65          }
66  
67          if (_asc) {
68              return value;
69          }
70          else {
71              return -value;
72          }
73      }
74  
75      public String getOrderBy() {
76          if (_asc) {
77              return ORDER_BY_ASC;
78          }
79          else {
80              return ORDER_BY_DESC;
81          }
82      }
83  
84      private boolean _asc;
85  
86  }