01: /**
02: * Copyright (c) 2000-2008 Liferay, Inc. All rights reserved.
03: *
04: * Permission is hereby granted, free of charge, to any person obtaining a copy
05: * of this software and associated documentation files (the "Software"), to deal
06: * in the Software without restriction, including without limitation the rights
07: * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
08: * copies of the Software, and to permit persons to whom the Software is
09: * 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: */package com.liferay.portlet.shopping.util.comparator;
22:
23: import com.liferay.portal.kernel.util.OrderByComparator;
24: import com.liferay.portlet.shopping.model.ShoppingItem;
25:
26: /**
27: * <a href="ItemMinQuantityComparator.java.html"><b><i>View Source</i></b></a>
28: *
29: * @author Brian Wing Shun Chan
30: *
31: */
32: public class ItemMinQuantityComparator extends OrderByComparator {
33:
34: public static String ORDER_BY_ASC = "categoryId ASC, minQuantity ASC, name ASC";
35:
36: public static String ORDER_BY_DESC = "categoryId DESC, minQuantity DESC, name DESC";
37:
38: public ItemMinQuantityComparator() {
39: this (false);
40: }
41:
42: public ItemMinQuantityComparator(boolean asc) {
43: _asc = asc;
44: }
45:
46: public int compare(Object obj1, Object obj2) {
47: ShoppingItem item1 = (ShoppingItem) obj1;
48: ShoppingItem item2 = (ShoppingItem) obj2;
49:
50: Long categoryId1 = new Long(item1.getCategoryId());
51: Long categoryId2 = new Long(item2.getCategoryId());
52:
53: int value = categoryId1.compareTo(categoryId2);
54:
55: if (value == 0) {
56: if (item1.getMinQuantity() < item2.getMinQuantity()) {
57: value = -1;
58: } else if (item1.getMinQuantity() > item2.getMinQuantity()) {
59: value = 1;
60: }
61: }
62:
63: if (value == 0) {
64: value = item1.getName().toLowerCase().compareTo(
65: item2.getName().toLowerCase());
66: }
67:
68: if (_asc) {
69: return value;
70: } else {
71: return -value;
72: }
73: }
74:
75: public String getOrderBy() {
76: if (_asc) {
77: return ORDER_BY_ASC;
78: } else {
79: return ORDER_BY_DESC;
80: }
81: }
82:
83: private boolean _asc;
84:
85: }
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