| HeadMethodImpl.java |
1 /**
2 * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3 *
4 *
5 *
6 *
7 * The contents of this file are subject to the terms of the Liferay Enterprise
8 * Subscription License ("License"). You may not use this file except in
9 * compliance with the License. You can obtain a copy of the License by
10 * contacting Liferay, Inc. See the License for the specific language governing
11 * permissions and limitations under the License, including but not limited to
12 * distribution rights 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.webdav.Resource;
26 import com.liferay.portal.webdav.WebDAVException;
27 import com.liferay.portal.webdav.WebDAVRequest;
28 import com.liferay.portal.webdav.WebDAVStorage;
29
30 import javax.servlet.http.HttpServletResponse;
31
32 /**
33 * <a href="HeadMethodImpl.java.html"><b><i>View Source</i></b></a>
34 *
35 * @author Brian Wing Shun Chan
36 * @author Alexander Chow
37 */
38 public class HeadMethodImpl implements Method {
39
40 public int process(WebDAVRequest webDavRequest) throws WebDAVException {
41 try {
42 WebDAVStorage storage = webDavRequest.getWebDAVStorage();
43 HttpServletResponse response =
44 webDavRequest.getHttpServletResponse();
45
46 Resource resource = storage.getResource(webDavRequest);
47
48 int status = HttpServletResponse.SC_NOT_FOUND;
49
50 if (resource == null) {
51 response.sendError(
52 HttpServletResponse.SC_NOT_FOUND, webDavRequest.getPath());
53 }
54 else {
55 if (!resource.isCollection()) {
56 response.setContentLength(resource.getSize());
57 }
58
59 status = HttpServletResponse.SC_OK;
60 }
61
62 return status;
63 }
64 catch (Exception e) {
65 throw new WebDAVException(e);
66 }
67 }
68
69 }