| FileEntryReadCountComparator.java |
1 /**
2 * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3 *
4 * The contents of this file are subject to the terms of the Liferay Enterprise
5 * Subscription License ("License"). You may not use this file except in
6 * compliance with the License. You can obtain a copy of the License by
7 * contacting Liferay, Inc. See the License for the specific language governing
8 * permissions and limitations under the License, including but not limited to
9 * distribution rights of the Software.
10 *
11 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
12 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
13 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
14 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
15 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
17 * SOFTWARE.
18 */
19
20 package com.liferay.portlet.documentlibrary.util.comparator;
21
22 import com.liferay.portal.kernel.util.OrderByComparator;
23 import com.liferay.portlet.documentlibrary.model.DLFileEntry;
24
25 /**
26 * <a href="FileEntryReadCountComparator.java.html"><b><i>View Source</i></b>
27 * </a>
28 *
29 * @author Brian Wing Shun Chan
30 *
31 */
32 public class FileEntryReadCountComparator extends OrderByComparator {
33
34 public static String ORDER_BY_ASC = "readCount ASC";
35
36 public static String ORDER_BY_DESC = "readCount DESC";
37
38 public FileEntryReadCountComparator() {
39 this(false);
40 }
41
42 public FileEntryReadCountComparator(boolean asc) {
43 _asc = asc;
44 }
45
46 public int compare(Object obj1, Object obj2) {
47 DLFileEntry fileEntry1 = (DLFileEntry)obj1;
48 DLFileEntry fileEntry2 = (DLFileEntry)obj2;
49
50 int value = 0;
51
52 if (fileEntry1.getReadCount() < fileEntry2.getReadCount()) {
53 value = -1;
54 }
55 else if (fileEntry1.getReadCount() > fileEntry2.getReadCount()) {
56 value = 1;
57 }
58
59 if (_asc) {
60 return value;
61 }
62 else {
63 return -value;
64 }
65 }
66
67 public String getOrderBy() {
68 if (_asc) {
69 return ORDER_BY_ASC;
70 }
71 else {
72 return ORDER_BY_DESC;
73 }
74 }
75
76 private boolean _asc;
77
78 }