| 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 }