01: /**
02: * Copyright (c) 2000-2008 Liferay, Inc. All rights reserved.
03: *
04: * Permission is hereby granted, free of charge, to any person obtaining a copy
05: * of this software and associated documentation files (the "Software"), to deal
06: * in the Software without restriction, including without limitation the rights
07: * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
08: * copies of the Software, and to permit persons to whom the Software is
09: * 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: */package com.liferay.portlet.documentlibrary.util.comparator;
22:
23: import com.liferay.portal.kernel.util.OrderByComparator;
24: import com.liferay.portlet.documentlibrary.model.DLFileEntry;
25:
26: /**
27: * <a href="FileEntryReadCountComparator.java.html"><b><i>View Source</i></b>
28: * </a>
29: *
30: * @author Brian Wing Shun Chan
31: *
32: */
33: public class FileEntryReadCountComparator extends OrderByComparator {
34:
35: public static String ORDER_BY_ASC = "readCount ASC";
36:
37: public static String ORDER_BY_DESC = "readCount DESC";
38:
39: public FileEntryReadCountComparator() {
40: this (false);
41: }
42:
43: public FileEntryReadCountComparator(boolean asc) {
44: _asc = asc;
45: }
46:
47: public int compare(Object obj1, Object obj2) {
48: DLFileEntry fileEntry1 = (DLFileEntry) obj1;
49: DLFileEntry fileEntry2 = (DLFileEntry) obj2;
50:
51: int value = 0;
52:
53: if (fileEntry1.getReadCount() < fileEntry2.getReadCount()) {
54: value = -1;
55: } else if (fileEntry1.getReadCount() > fileEntry2
56: .getReadCount()) {
57: value = 1;
58: }
59:
60: if (_asc) {
61: return value;
62: } else {
63: return -value;
64: }
65: }
66:
67: public String getOrderBy() {
68: if (_asc) {
69: return ORDER_BY_ASC;
70: } else {
71: return ORDER_BY_DESC;
72: }
73: }
74:
75: private boolean _asc;
76:
77: }
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