| VisibleNodesComparator.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.wiki.util.comparator;
24
25 import com.liferay.portlet.wiki.model.WikiNode;
26
27 import java.util.Arrays;
28 import java.util.Comparator;
29
30 /**
31 * <a href="VisibleNodesComparator.java.html"><b><i>View Source</i></b></a>
32 *
33 * @author Jorge Ferrer
34 *
35 */
36 public class VisibleNodesComparator implements Comparator<WikiNode> {
37
38 public VisibleNodesComparator(String[] visibleNodes) {
39 _visibleNodes = visibleNodes;
40 }
41
42 public int compare(WikiNode node1, WikiNode node2) {
43 int pos1 = Arrays.binarySearch(_visibleNodes, node1.getName());
44 int pos2 = Arrays.binarySearch(_visibleNodes, node2.getName());
45
46 if (pos1 < 0) {
47 return 1;
48 }
49
50 if (pos2 < 0) {
51 return -1;
52 }
53
54 return pos1 - pos2;
55 }
56
57 private String[] _visibleNodes;
58
59 }