UserTrackerModifiedDateComparator.java |
1 /** 2 * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved. 3 * 4 * This library is free software; you can redistribute it and/or modify it under 5 * the terms of the GNU Lesser General Public License as published by the Free 6 * Software Foundation; either version 2.1 of the License, or (at your option) 7 * any later version. 8 * 9 * This library is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 11 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more 12 * details. 13 */ 14 15 package com.liferay.portal.util.comparator; 16 17 import com.liferay.portal.kernel.util.DateUtil; 18 import com.liferay.portal.model.UserTracker; 19 20 import java.io.Serializable; 21 22 import java.util.Comparator; 23 24 /** 25 * <a href="UserTrackerModifiedDateComparator.java.html"><b><i>View Source</i> 26 * </b></a> 27 * 28 * @author Brian Wing Shun Chan 29 */ 30 public class UserTrackerModifiedDateComparator 31 implements Comparator<UserTracker>, Serializable { 32 33 public UserTrackerModifiedDateComparator() { 34 this(false); 35 } 36 37 public UserTrackerModifiedDateComparator(boolean asc) { 38 _asc = asc; 39 } 40 41 public int compare(UserTracker userTracker1, UserTracker userTracker2) { 42 int value = DateUtil.compareTo( 43 userTracker1.getModifiedDate(), userTracker2.getModifiedDate()); 44 45 if (_asc) { 46 return value; 47 } 48 else { 49 return -value; 50 } 51 } 52 53 private boolean _asc; 54 55 }