| UnlockMethodImpl.java |
1 /**
2 * Copyright (c) 2000-2008 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.webdav.methods;
24
25 import com.liferay.portal.kernel.util.GetterUtil;
26 import com.liferay.portal.kernel.util.StringPool;
27 import com.liferay.portal.webdav.WebDAVException;
28 import com.liferay.portal.webdav.WebDAVRequest;
29 import com.liferay.portal.webdav.WebDAVStorage;
30 import com.liferay.portal.webdav.WebDAVUtil;
31
32 import javax.servlet.http.HttpServletRequest;
33 import javax.servlet.http.HttpServletResponse;
34
35 import org.apache.commons.logging.Log;
36 import org.apache.commons.logging.LogFactory;
37
38 /**
39 * <a href="UnlockMethodImpl.java.html"><b><i>View Source</i></b></a>
40 *
41 * @author Alexander Chow
42 *
43 */
44 public class UnlockMethodImpl implements Method {
45
46 public int process(WebDAVRequest webDavRequest) throws WebDAVException {
47 WebDAVStorage storage = webDavRequest.getWebDAVStorage();
48
49 String token = getToken(webDavRequest.getHttpServletRequest());
50
51 if (!storage.isSupportsClassTwo()) {
52 return HttpServletResponse.SC_METHOD_NOT_ALLOWED;
53 }
54
55 if (storage.unlockResource(webDavRequest, token)) {
56 return HttpServletResponse.SC_NO_CONTENT;
57 }
58 else {
59 return HttpServletResponse.SC_PRECONDITION_FAILED;
60 }
61 }
62
63 protected String getToken(HttpServletRequest request) {
64 String token = StringPool.BLANK;
65
66 String value = GetterUtil.getString(request.getHeader("Lock-Token"));
67
68 if (_log.isInfoEnabled()) {
69 _log.info("\"Lock-Token\" header is " + value);
70 }
71
72 if (value.startsWith("<") && value.endsWith(">")) {
73 value = value.substring(1, value.length() - 1);
74 }
75
76 int index = value.indexOf(WebDAVUtil.TOKEN_PREFIX);
77
78 if (index >= 0) {
79 index += WebDAVUtil.TOKEN_PREFIX.length();
80
81 if (index < value.length()) {
82 token = GetterUtil.getString(value.substring(index));
83 }
84 }
85
86 return token;
87 }
88
89 private static Log _log = LogFactory.getLog(UnlockMethodImpl.class);
90
91 }