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="LayoutComparator.java.html"><b><i>View Source</i></b></a>
27   *
28   * @author Brian Wing Shun Chan
29   *
30   */
31  public class LayoutComparator extends OrderByComparator {
32  
33      public static String ORDER_BY_ASC = "groupId ASC, layoutId ASC";
34  
35      public static String ORDER_BY_DESC = "groupId DESC, layoutId DESC";
36  
37      public LayoutComparator() {
38          this(false);
39      }
40  
41      public LayoutComparator(boolean asc) {
42          _asc = asc;
43      }
44  
45      public int compare(Object obj1, Object obj2) {
46          Layout layout1 = (Layout)obj1;
47          Layout layout2 = (Layout)obj2;
48  
49          Long groupId1 = new Long(layout1.getGroupId());
50          Long groupId2 = new Long(layout2.getGroupId());
51  
52          int value = groupId1.compareTo(groupId2);
53  
54          if (value != 0) {
55              if (_asc) {
56                  return value;
57              }
58              else {
59                  return -value;
60              }
61          }
62  
63          Long layoutId1 = new Long(layout1.getLayoutId());
64          Long layoutId2 = new Long(layout2.getLayoutId());
65  
66          value = layoutId1.compareTo(layoutId2);
67  
68          if (_asc) {
69              return value;
70          }
71          else {
72              return -value;
73          }
74      }
75  
76      public String getOrderBy() {
77          if (_asc) {
78              return ORDER_BY_ASC;
79          }
80          else {
81              return ORDER_BY_DESC;
82          }
83      }
84  
85      private boolean _asc;
86  
87  }