1   /**
2    * Copyright (c) 2000-2009 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.portlet.shopping.util.comparator;
24  
25  import com.liferay.portal.kernel.util.OrderByComparator;
26  import com.liferay.portlet.shopping.model.ShoppingItem;
27  
28  /**
29   * <a href="ItemMinQuantityComparator.java.html"><b><i>View Source</i></b></a>
30   *
31   * @author Brian Wing Shun Chan
32   *
33   */
34  public class ItemMinQuantityComparator extends OrderByComparator {
35  
36      public static String ORDER_BY_ASC =
37          "categoryId ASC, minQuantity ASC, name ASC";
38  
39      public static String ORDER_BY_DESC =
40          "categoryId DESC, minQuantity DESC, name DESC";
41  
42      public ItemMinQuantityComparator() {
43          this(false);
44      }
45  
46      public ItemMinQuantityComparator(boolean asc) {
47          _asc = asc;
48      }
49  
50      public int compare(Object obj1, Object obj2) {
51          ShoppingItem item1 = (ShoppingItem)obj1;
52          ShoppingItem item2 = (ShoppingItem)obj2;
53  
54          Long categoryId1 = new Long(item1.getCategoryId());
55          Long categoryId2 = new Long(item2.getCategoryId());
56  
57          int value = categoryId1.compareTo(categoryId2);
58  
59          if (value == 0) {
60              if (item1.getMinQuantity() < item2.getMinQuantity()) {
61                  value = -1;
62              }
63              else if (item1.getMinQuantity() > item2.getMinQuantity()) {
64                  value = 1;
65              }
66          }
67  
68          if (value == 0) {
69              value = item1.getName().toLowerCase().compareTo(
70                  item2.getName().toLowerCase());
71          }
72  
73          if (_asc) {
74              return value;
75          }
76          else {
77              return -value;
78          }
79      }
80  
81      public String getOrderBy() {
82          if (_asc) {
83              return ORDER_BY_ASC;
84          }
85          else {
86              return ORDER_BY_DESC;
87          }
88      }
89  
90      private boolean _asc;
91  
92  }