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.Layout;
24  
25  /**
26   * <a href="LayoutPriorityComparator.java.html"><b><i>View Source</i></b></a>
27   *
28   * @author Brian Wing Shun Chan
29   *
30   */
31  public class LayoutPriorityComparator extends OrderByComparator {
32  
33      public static String ORDER_BY_ASC = "priority ASC";
34  
35      public LayoutPriorityComparator(Layout layout, boolean lessThan) {
36          _layout = layout;
37          _lessThan = lessThan;
38      }
39  
40      public int compare(Object obj1, Object obj2) {
41          Layout layout1 = (Layout)obj1;
42          Layout layout2 = (Layout)obj2;
43  
44          int priority1 = layout1.getPriority();
45          int priority2 = layout2.getPriority();
46  
47          if (priority1 > priority2) {
48              return 1;
49          }
50          else if (priority1 < priority2) {
51              return -1;
52          }
53          else {
54              if (_layout.equals(layout1)) {
55                  if (_lessThan) {
56                      return 1;
57                  }
58                  else {
59                      return -1;
60                  }
61              }
62              else if (_layout.equals(layout2)) {
63                  if (_lessThan) {
64                      return -1;
65                  }
66                  else {
67                      return 1;
68                  }
69              }
70  
71              return 0;
72          }
73      }
74  
75      public String getOrderBy() {
76          return ORDER_BY_ASC;
77      }
78  
79      private Layout _layout;
80      private boolean _lessThan;
81  
82  }