1   /**
2    * Copyright (c) 2000-2007 Liferay, Inc. All rights reserved.
3    *
4    * Permission is hereby granted, free of charge, to any person obtaining a copy
5    * of this software and associated documentation files (the "Software"), to deal
6    * in the Software without restriction, including without limitation the rights
7    * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8    * copies of the Software, and to permit persons to whom the Software is
9    * furnished to do so, subject to the following conditions:
10   *
11   * The above copyright notice and this permission notice shall be included in
12   * all copies or substantial portions of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portal.util.comparator;
24  
25  import com.liferay.portal.model.Portlet;
26  import com.liferay.portal.util.PortletKeys;
27  
28  import java.io.Serializable;
29  
30  import java.util.Comparator;
31  
32  /**
33   * <a href="PortletLuceneComparator.java.html"><b><i>View Source</i></b></a>
34   *
35   * @author Brian Wing Shun Chan
36   *
37   */
38  public class PortletLuceneComparator implements Comparator, Serializable {
39  
40      public int compare(Object obj1, Object obj2) {
41          Portlet portlet1 = (Portlet)obj1;
42          Portlet portlet2 = (Portlet)obj2;
43  
44          String portletId1 = portlet1.getPortletId();
45          String portletId2 = portlet2.getPortletId();
46  
47          // Index document library last because it's usually the slowest.
48  
49          if (portletId1.equals(PortletKeys.DOCUMENT_LIBRARY)) {
50              return 1;
51          }
52          else {
53              return portletId1.compareTo(portletId2);
54          }
55      }
56  
57  }