| ItemSKUComparator.java |
1 /**
2 * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3 *
4 * The contents of this file are subject to the terms of the Liferay Enterprise
5 * Subscription License ("License"). You may not use this file except in
6 * compliance with the License. You can obtain a copy of the License by
7 * contacting Liferay, Inc. See the License for the specific language governing
8 * permissions and limitations under the License, including but not limited to
9 * distribution rights of the Software.
10 *
11 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
12 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
13 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
14 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
15 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
17 * SOFTWARE.
18 */
19
20 package com.liferay.portlet.shopping.util.comparator;
21
22 import com.liferay.portal.kernel.util.OrderByComparator;
23 import com.liferay.portlet.shopping.model.ShoppingItem;
24
25 /**
26 * <a href="ItemSKUComparator.java.html"><b><i>View Source</i></b></a>
27 *
28 * @author Brian Wing Shun Chan
29 *
30 */
31 public class ItemSKUComparator extends OrderByComparator {
32
33 public static String ORDER_BY_ASC = "categoryId ASC, sku ASC";
34
35 public static String ORDER_BY_DESC = "categoryId DESC, sku DESC";
36
37 public static String[] ORDER_BY_FIELDS = {"categoryId", "sku"};
38
39 public ItemSKUComparator() {
40 this(false);
41 }
42
43 public ItemSKUComparator(boolean asc) {
44 _asc = asc;
45 }
46
47 public int compare(Object obj1, Object obj2) {
48 ShoppingItem item1 = (ShoppingItem)obj1;
49 ShoppingItem item2 = (ShoppingItem)obj2;
50
51 Long categoryId1 = new Long(item1.getCategoryId());
52 Long categoryId2 = new Long(item2.getCategoryId());
53
54 int value = categoryId1.compareTo(categoryId2);
55
56 if (value == 0) {
57 value = item1.getSku().compareTo(item2.getSku());
58 }
59
60 if (_asc) {
61 return value;
62 }
63 else {
64 return -value;
65 }
66 }
67
68 public String getOrderBy() {
69 if (_asc) {
70 return ORDER_BY_ASC;
71 }
72 else {
73 return ORDER_BY_DESC;
74 }
75 }
76
77 public String[] getOrderByFields() {
78 return ORDER_BY_FIELDS;
79 }
80
81 public boolean isAscending() {
82 return _asc;
83 }
84
85 private boolean _asc;
86
87 }