FileEntryReadCountComparator.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.documentlibrary.util.comparator; 24 25 import com.liferay.portal.kernel.util.OrderByComparator; 26 import com.liferay.portlet.documentlibrary.model.DLFileEntry; 27 28 /** 29 * <a href="FileEntryReadCountComparator.java.html"><b><i>View Source</i></b> 30 * </a> 31 * 32 * @author Brian Wing Shun Chan 33 * 34 */ 35 public class FileEntryReadCountComparator extends OrderByComparator { 36 37 public static String ORDER_BY_ASC = "readCount ASC"; 38 39 public static String ORDER_BY_DESC = "readCount DESC"; 40 41 public FileEntryReadCountComparator() { 42 this(false); 43 } 44 45 public FileEntryReadCountComparator(boolean asc) { 46 _asc = asc; 47 } 48 49 public int compare(Object obj1, Object obj2) { 50 DLFileEntry fileEntry1 = (DLFileEntry)obj1; 51 DLFileEntry fileEntry2 = (DLFileEntry)obj2; 52 53 int value = 0; 54 55 if (fileEntry1.getReadCount() < fileEntry2.getReadCount()) { 56 value = -1; 57 } 58 else if (fileEntry1.getReadCount() > fileEntry2.getReadCount()) { 59 value = 1; 60 } 61 62 if (_asc) { 63 return value; 64 } 65 else { 66 return -value; 67 } 68 } 69 70 public String getOrderBy() { 71 if (_asc) { 72 return ORDER_BY_ASC; 73 } 74 else { 75 return ORDER_BY_DESC; 76 } 77 } 78 79 private boolean _asc; 80 81 }