| ItemMinQuantityComparator.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="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 static String[] ORDER_BY_FIELDS = {
43 "categoryId", "minQuantity", "name"
44 };
45
46 public ItemMinQuantityComparator() {
47 this(false);
48 }
49
50 public ItemMinQuantityComparator(boolean asc) {
51 _asc = asc;
52 }
53
54 public int compare(Object obj1, Object obj2) {
55 ShoppingItem item1 = (ShoppingItem)obj1;
56 ShoppingItem item2 = (ShoppingItem)obj2;
57
58 Long categoryId1 = new Long(item1.getCategoryId());
59 Long categoryId2 = new Long(item2.getCategoryId());
60
61 int value = categoryId1.compareTo(categoryId2);
62
63 if (value == 0) {
64 if (item1.getMinQuantity() < item2.getMinQuantity()) {
65 value = -1;
66 }
67 else if (item1.getMinQuantity() > item2.getMinQuantity()) {
68 value = 1;
69 }
70 }
71
72 if (value == 0) {
73 value = item1.getName().toLowerCase().compareTo(
74 item2.getName().toLowerCase());
75 }
76
77 if (_asc) {
78 return value;
79 }
80 else {
81 return -value;
82 }
83 }
84
85 public String getOrderBy() {
86 if (_asc) {
87 return ORDER_BY_ASC;
88 }
89 else {
90 return ORDER_BY_DESC;
91 }
92 }
93
94 public String[] getOrderByFields() {
95 return ORDER_BY_FIELDS;
96 }
97
98 public boolean isAscending() {
99 return _asc;
100 }
101
102 private boolean _asc;
103
104 }