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.bookmarks.util.comparator;
21  
22  import com.liferay.portal.kernel.util.OrderByComparator;
23  import com.liferay.portlet.bookmarks.model.BookmarksEntry;
24  
25  /**
26   * <a href="EntryPriorityComparator.java.html"><b><i>View Source</i></b></a>
27   *
28   * @author Brian Wing Shun Chan
29   *
30   */
31  public class EntryPriorityComparator extends OrderByComparator {
32  
33      public static String ORDER_BY_ASC = "priority ASC";
34  
35      public static String ORDER_BY_DESC = "priority DESC";
36  
37      public static String[] ORDER_BY_FIELDS = {"priority"};
38  
39      public EntryPriorityComparator() {
40          this(false);
41      }
42  
43      public EntryPriorityComparator(boolean asc) {
44          _asc = asc;
45      }
46  
47      public int compare(Object obj1, Object obj2) {
48          BookmarksEntry entry1 = (BookmarksEntry)obj1;
49          BookmarksEntry entry2 = (BookmarksEntry)obj2;
50  
51          int value = 0;
52  
53          if (entry1.getPriority() < entry2.getPriority()) {
54              value = -1;
55          }
56          else if (entry1.getPriority() > entry2.getPriority()) {
57              value = 1;
58          }
59  
60          if (_asc) {
61              return value;
62          }
63          else {
64              return -value;
65          }
66      }
67  
68      public String getOrderBy() {
69          if (_asc) {
70              return ORDER_BY_ASC;
71          }
72          else {
73              return ORDER_BY_DESC;
74          }
75      }
76  
77      public String[] getOrderByFields() {
78          return ORDER_BY_FIELDS;
79      }
80  
81      public boolean isAscending() {
82          return _asc;
83      }
84  
85      private boolean _asc;
86  
87  }