| FriendlyURLNormalizer.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.portal.util;
24
25 import com.liferay.portal.kernel.util.ArrayUtil;
26 import com.liferay.portal.kernel.util.CharPool;
27 import com.liferay.portal.kernel.util.GetterUtil;
28 import com.liferay.portal.kernel.util.StringPool;
29 import com.liferay.portal.kernel.util.StringUtil;
30 import com.liferay.portal.kernel.util.Validator;
31 import com.liferay.util.Normalizer;
32
33 /**
34 * <a href="FriendlyURLNormalizer.java.html"><b><i>View Source</i></b></a>
35 *
36 * @author Brian Wing Shun Chan
37 *
38 */
39 public class FriendlyURLNormalizer {
40
41 public static String normalize(String friendlyURL) {
42 return normalize(friendlyURL, null);
43 }
44
45 public static String normalize(String friendlyURL, char[] replaceChars) {
46 if (Validator.isNull(friendlyURL)) {
47 return friendlyURL;
48 }
49
50 friendlyURL = GetterUtil.getString(friendlyURL);
51 friendlyURL = friendlyURL.toLowerCase();
52 friendlyURL = Normalizer.normalizeToAscii(friendlyURL);
53
54 char[] charArray = friendlyURL.toCharArray();
55
56 for (int i = 0; i < charArray.length; i++) {
57 char oldChar = charArray[i];
58
59 char newChar = oldChar;
60
61 if (ArrayUtil.contains(_REPLACE_CHARS, oldChar) ||
62 ((replaceChars != null) &&
63 ArrayUtil.contains(replaceChars, oldChar))) {
64
65 newChar = CharPool.DASH;
66 }
67
68 if (oldChar != newChar) {
69 charArray[i] = newChar;
70 }
71 }
72
73 friendlyURL = new String(charArray);
74
75 while (friendlyURL.contains(StringPool.DASH + StringPool.DASH)) {
76 friendlyURL = StringUtil.replace(
77 friendlyURL, StringPool.DASH + StringPool.DASH,
78 StringPool.DASH);
79 }
80
81 if (friendlyURL.startsWith(StringPool.DASH)) {
82 friendlyURL = friendlyURL.substring(1, friendlyURL.length());
83 }
84
85 if (friendlyURL.endsWith(StringPool.DASH)) {
86 friendlyURL = friendlyURL.substring(0, friendlyURL.length() - 1);
87 }
88
89 return friendlyURL;
90 }
91
92 private static final char[] _REPLACE_CHARS = new char[] {
93 ' ', ',', '\\', '\'', '\"', '(', ')', '{', '}', '?', '#', '@', '+',
94 '~', ';', '$'
95 };
96
97 }