01: /**
02: * Copyright (c) 2000-2008 Liferay, Inc. All rights reserved.
03: *
04: * Permission is hereby granted, free of charge, to any person obtaining a copy
05: * of this software and associated documentation files (the "Software"), to deal
06: * in the Software without restriction, including without limitation the rights
07: * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
08: * copies of the Software, and to permit persons to whom the Software is
09: * 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: */package com.liferay.portal.webdav.methods;
22:
23: import com.liferay.portal.webdav.Resource;
24: import com.liferay.portal.webdav.WebDAVException;
25: import com.liferay.portal.webdav.WebDAVRequest;
26: import com.liferay.portal.webdav.WebDAVStorage;
27:
28: import javax.servlet.http.HttpServletResponse;
29:
30: /**
31: * <a href="HeadMethodImpl.java.html"><b><i>View Source</i></b></a>
32: *
33: * @author Brian Wing Shun Chan
34: * @author Alexander Chow
35: *
36: */
37: public class HeadMethodImpl implements Method {
38:
39: public int process(WebDAVRequest webDavReq) throws WebDAVException {
40: try {
41: WebDAVStorage storage = webDavReq.getWebDAVStorage();
42: HttpServletResponse res = webDavReq
43: .getHttpServletResponse();
44:
45: Resource resource = storage.getResource(webDavReq);
46:
47: int status = HttpServletResponse.SC_NOT_FOUND;
48:
49: if (resource == null) {
50: res.sendError(HttpServletResponse.SC_NOT_FOUND,
51: webDavReq.getPath());
52: } else {
53: if (!resource.isCollection()) {
54: res.setContentLength(resource.getSize());
55: }
56:
57: status = HttpServletResponse.SC_OK;
58: }
59:
60: return status;
61: } catch (Exception e) {
62: throw new WebDAVException(e);
63: }
64: }
65:
66: }
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