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 static String[] ORDER_BY_FIELDS = {"priority"};
36  
37      public LayoutPriorityComparator(Layout layout, boolean lessThan) {
38          _layout = layout;
39          _lessThan = lessThan;
40      }
41  
42      public int compare(Object obj1, Object obj2) {
43          Layout layout1 = (Layout)obj1;
44          Layout layout2 = (Layout)obj2;
45  
46          int priority1 = layout1.getPriority();
47          int priority2 = layout2.getPriority();
48  
49          if (priority1 > priority2) {
50              return 1;
51          }
52          else if (priority1 < priority2) {
53              return -1;
54          }
55          else {
56              if (_layout.equals(layout1)) {
57                  if (_lessThan) {
58                      return 1;
59                  }
60                  else {
61                      return -1;
62                  }
63              }
64              else if (_layout.equals(layout2)) {
65                  if (_lessThan) {
66                      return -1;
67                  }
68                  else {
69                      return 1;
70                  }
71              }
72  
73              return 0;
74          }
75      }
76  
77      public String getOrderBy() {
78          return ORDER_BY_ASC;
79      }
80  
81      public String[] getOrderByFields() {
82          return ORDER_BY_FIELDS;
83      }
84  
85      public boolean isAscending() {
86          return true;
87      }
88  
89      private Layout _layout;
90      private boolean _lessThan;
91  
92  }