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 ItemSKUComparator() { 38 this(false); 39 } 40 41 public ItemSKUComparator(boolean asc) { 42 _asc = asc; 43 } 44 45 public int compare(Object obj1, Object obj2) { 46 ShoppingItem item1 = (ShoppingItem)obj1; 47 ShoppingItem item2 = (ShoppingItem)obj2; 48 49 Long categoryId1 = new Long(item1.getCategoryId()); 50 Long categoryId2 = new Long(item2.getCategoryId()); 51 52 int value = categoryId1.compareTo(categoryId2); 53 54 if (value == 0) { 55 value = item1.getSku().compareTo(item2.getSku()); 56 } 57 58 if (_asc) { 59 return value; 60 } 61 else { 62 return -value; 63 } 64 } 65 66 public String getOrderBy() { 67 if (_asc) { 68 return ORDER_BY_ASC; 69 } 70 else { 71 return ORDER_BY_DESC; 72 } 73 } 74 75 private boolean _asc; 76 77 }