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.portlet.imagegallery.util.comparator;
21  
22  import com.liferay.portal.kernel.util.OrderByComparator;
23  import com.liferay.portlet.imagegallery.model.IGImage;
24  
25  /**
26   * <a href="ImageDescriptionComparator.java.html"><b><i>View Source</i></b></a>
27   *
28   * @author Brian Wing Shun Chan
29   *
30   */
31  public class ImageDescriptionComparator extends OrderByComparator {
32  
33      public static String ORDER_BY_ASC = "description ASC";
34  
35      public static String ORDER_BY_DESC = "description DESC";
36  
37      public static String[] ORDER_BY_FIELDS = {"description"};
38  
39      public ImageDescriptionComparator() {
40          this(false);
41      }
42  
43      public ImageDescriptionComparator(boolean asc) {
44          _asc = asc;
45      }
46  
47      public int compare(Object obj1, Object obj2) {
48          IGImage image1 = (IGImage)obj1;
49          IGImage image2 = (IGImage)obj2;
50  
51          int value =
52              image1.getDescription().toLowerCase().compareTo(
53                  image2.getDescription().toLowerCase());
54  
55          if (_asc) {
56              return value;
57          }
58          else {
59              return -value;
60          }
61      }
62  
63      public String getOrderBy() {
64          if (_asc) {
65              return ORDER_BY_ASC;
66          }
67          else {
68              return ORDER_BY_DESC;
69          }
70      }
71  
72      public String[] getOrderByFields() {
73          return ORDER_BY_FIELDS;
74      }
75  
76      public boolean isAscending() {
77          return _asc;
78      }
79  
80      private boolean _asc;
81  
82  }