1   /**
2    * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved.
3    *
4    * This library is free software; you can redistribute it and/or modify it under
5    * the terms of the GNU Lesser General Public License as published by the Free
6    * Software Foundation; either version 2.1 of the License, or (at your option)
7    * any later version.
8    *
9    * This library is distributed in the hope that it will be useful, but WITHOUT
10   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
11   * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
12   * details.
13   */
14  
15  package com.liferay.portlet.shopping.util.comparator;
16  
17  import com.liferay.portal.kernel.util.OrderByComparator;
18  import com.liferay.portlet.shopping.model.ShoppingItem;
19  
20  /**
21   * <a href="ItemNameComparator.java.html"><b><i>View Source</i></b></a>
22   *
23   * @author Brian Wing Shun Chan
24   */
25  public class ItemNameComparator extends OrderByComparator {
26  
27      public static String ORDER_BY_ASC = "categoryId ASC, name ASC";
28  
29      public static String ORDER_BY_DESC = "categoryId DESC, name DESC";
30  
31      public static String[] ORDER_BY_FIELDS = {"categoryId", "name"};
32  
33      public ItemNameComparator() {
34          this(false);
35      }
36  
37      public ItemNameComparator(boolean asc) {
38          _asc = asc;
39      }
40  
41      public int compare(Object obj1, Object obj2) {
42          ShoppingItem item1 = (ShoppingItem)obj1;
43          ShoppingItem item2 = (ShoppingItem)obj2;
44  
45          Long categoryId1 = new Long(item1.getCategoryId());
46          Long categoryId2 = new Long(item2.getCategoryId());
47  
48          int value = categoryId1.compareTo(categoryId2);
49  
50          if (value == 0) {
51              value = item1.getName().toLowerCase().compareTo(
52                  item2.getName().toLowerCase());
53          }
54  
55          if (_asc) {
56              return value;
57          }
58          else {
59              return -value;
60          }
61      }
62  
63      public String getOrderBy() {
64          if (_asc) {
65              return ORDER_BY_ASC;
66          }
67          else {
68              return ORDER_BY_DESC;
69          }
70      }
71  
72      public String[] getOrderByFields() {
73          return ORDER_BY_FIELDS;
74      }
75  
76      public boolean isAscending() {
77          return _asc;
78      }
79  
80      private boolean _asc;
81  
82  }