1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    * The contents of this file are subject to the terms of the Liferay Enterprise
5    * Subscription License ("License"). You may not use this file except in
6    * compliance with the License. You can obtain a copy of the License by
7    * contacting Liferay, Inc. See the License for the specific language governing
8    * permissions and limitations under the License, including but not limited to
9    * distribution rights of the Software.
10   *
11   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
12   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
13   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
14   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
15   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
16   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
17   * SOFTWARE.
18   */
19  
20  package com.liferay.portal.util.comparator;
21  
22  import com.liferay.portal.kernel.util.OrderByComparator;
23  import com.liferay.portal.model.User;
24  
25  /**
26   * <a href="UserLastNameComparator.java.html"><b><i>View Source</i></b></a>
27   *
28   * @author Brian Wing Shun Chan
29   *
30   */
31  public class UserLastNameComparator extends OrderByComparator {
32  
33      public static String ORDER_BY_ASC =
34          "User_.lastName ASC, User_.firstName ASC, User_.middleName ASC";
35  
36      public static String ORDER_BY_DESC =
37          "User_.lastName DESC, User_.firstName DESC, User_.middleName DESC";
38  
39      public static String[] ORDER_BY_FIELDS = {
40          "lastName", "firstName", "middleName"
41      };
42  
43      public UserLastNameComparator() {
44          this(false);
45      }
46  
47      public UserLastNameComparator(boolean asc) {
48          _asc = asc;
49      }
50  
51      public int compare(Object obj1, Object obj2) {
52          User user1 = (User)obj1;
53          User user2 = (User)obj2;
54  
55          int value = user1.getLastName().compareTo(user2.getLastName());
56  
57          if (value == 0) {
58              value = user1.getFirstName().compareTo(user2.getFirstName());
59          }
60  
61          if (value == 0) {
62              value = user1.getMiddleName().compareTo(user2.getMiddleName());
63          }
64  
65          if (_asc) {
66              return value;
67          }
68          else {
69              return -value;
70          }
71      }
72  
73      public String getOrderBy() {
74          if (_asc) {
75              return ORDER_BY_ASC;
76          }
77          else {
78              return ORDER_BY_DESC;
79          }
80      }
81  
82      public String[] getOrderByFields() {
83          return ORDER_BY_FIELDS;
84      }
85  
86      public boolean isAscending() {
87          return _asc;
88      }
89  
90      private boolean _asc;
91  
92  }