| ItemSKUComparator.java |
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="ItemSKUComparator.java.html"><b><i>View Source</i></b></a>
30 *
31 * @author Brian Wing Shun Chan
32 *
33 */
34 public class ItemSKUComparator extends OrderByComparator {
35
36 public static String ORDER_BY_ASC = "categoryId ASC, sku ASC";
37
38 public static String ORDER_BY_DESC = "categoryId DESC, sku DESC";
39
40 public static String[] ORDER_BY_FIELDS = {"categoryId", "sku"};
41
42 public ItemSKUComparator() {
43 this(false);
44 }
45
46 public ItemSKUComparator(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 value = item1.getSku().compareTo(item2.getSku());
61 }
62
63 if (_asc) {
64 return value;
65 }
66 else {
67 return -value;
68 }
69 }
70
71 public String getOrderBy() {
72 if (_asc) {
73 return ORDER_BY_ASC;
74 }
75 else {
76 return ORDER_BY_DESC;
77 }
78 }
79
80 public String[] getOrderByFields() {
81 return ORDER_BY_FIELDS;
82 }
83
84 public boolean isAscending() {
85 return _asc;
86 }
87
88 private boolean _asc;
89
90 }