ArticleReviewDateComparator.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.journal.util.comparator; 24 25 import com.liferay.portal.kernel.util.DateUtil; 26 import com.liferay.portal.kernel.util.OrderByComparator; 27 import com.liferay.portlet.journal.model.JournalArticle; 28 29 /** 30 * <a href="ArticleReviewDateComparator.java.html"><b><i>View Source</i></b> 31 * </a> 32 * 33 * @author Brian Wing Shun Chan 34 * 35 */ 36 public class ArticleReviewDateComparator extends OrderByComparator { 37 38 public static String ORDER_BY_ASC = "reviewDate ASC, version ASC"; 39 40 public static String ORDER_BY_DESC = "reviewDate DESC, version DESC"; 41 42 public ArticleReviewDateComparator() { 43 this(false); 44 } 45 46 public ArticleReviewDateComparator(boolean asc) { 47 _asc = asc; 48 } 49 50 public int compare(Object obj1, Object obj2) { 51 JournalArticle article1 = (JournalArticle)obj1; 52 JournalArticle article2 = (JournalArticle)obj2; 53 54 int value = DateUtil.compareTo( 55 article1.getReviewDate(), article2.getReviewDate()); 56 57 if (value == 0) { 58 if (article1.getVersion() < article2.getVersion()) { 59 value = -1; 60 } 61 else if (article1.getVersion() > article2.getVersion()) { 62 value = 1; 63 } 64 } 65 66 if (_asc) { 67 return value; 68 } 69 else { 70 return -value; 71 } 72 } 73 74 public String getOrderBy() { 75 if (_asc) { 76 return ORDER_BY_ASC; 77 } 78 else { 79 return ORDER_BY_DESC; 80 } 81 } 82 83 private boolean _asc; 84 85 }