| MediaWikiLocalLink.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.filters;
24
25 import org.stringtree.factory.AbstractStringFetcher;
26 import org.stringtree.factory.Container;
27 import org.stringtree.factory.Fetcher;
28 import org.stringtree.juicer.Initialisable;
29 import org.stringtree.regex.Matcher;
30 import org.stringtree.regex.Pattern;
31
32 /**
33 * <a href="MediaWikiLocalLink.java.html"><b><i>View Source</i></b></a>
34 *
35 * @author Raymond Augé
36 */
37 public class MediaWikiLocalLink
38 extends AbstractStringFetcher implements Initialisable {
39
40 public MediaWikiLocalLink() {
41 this(null);
42 }
43
44 public MediaWikiLocalLink(Container pages) {
45 _pages = pages;
46 }
47
48 public void init(Fetcher context) {
49 _pages = (Container)context.getObject("wiki.pages");
50 }
51
52 public Object getObject(String key) {
53 String value = key;
54
55 Matcher match = _pattern.matcher(key);
56
57 if (match.find()) {
58 key = encodeKey(match.group(3).trim());
59
60 String title = match.group(6).trim();
61
62 if (_pages.contains(key)) {
63 value = "\nview_mw{" + title + "," + key + "}\n";
64 }
65 else{
66 value = "\nedit_mw{" + title + "," + key + "}\n";
67 }
68 }
69
70 return value;
71 }
72
73 protected String encodeKey(String key) {
74 return key.replaceAll("\\W", "_");
75 }
76
77 private static Pattern _pattern = Pattern.compile(
78 "(^|\\p{Punct}|\\p{Space})(\\[\\s*(((\\p{Lu}\\p{Ll}+)\\s?)+)\\s*\\|\\s*((([\\p{Alpha}\\p{Digit}]+)\\s?)+)\\s*\\])(\\z|\\n|\\p{Punct}|\\p{Space})");
79
80 private Container _pages;
81
82 }