1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    * The contents of this file are subject to the terms of the Liferay Enterprise
5    * Subscription License ("License"). You may not use this file except in
6    * compliance with the License. You can obtain a copy of the License by
7    * contacting Liferay, Inc. See the License for the specific language governing
8    * permissions and limitations under the License, including but not limited to
9    * distribution rights of the Software.
10   *
11   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
12   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
13   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
14   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
15   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
16   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
17   * SOFTWARE.
18   */
19  
20  package com.liferay.portal.webdav.methods;
21  
22  import com.liferay.portal.kernel.log.Log;
23  import com.liferay.portal.kernel.log.LogFactoryUtil;
24  import com.liferay.portal.webdav.Resource;
25  import com.liferay.portal.webdav.WebDAVException;
26  import com.liferay.portal.webdav.WebDAVRequest;
27  import com.liferay.portal.webdav.WebDAVStorage;
28  import com.liferay.util.servlet.ServletResponseUtil;
29  
30  import java.io.InputStream;
31  
32  import javax.servlet.http.HttpServletResponse;
33  
34  /**
35   * <a href="GetMethodImpl.java.html"><b><i>View Source</i></b></a>
36   *
37   * @author Brian Wing Shun Chan
38   * @author Alexander Chow
39   *
40   */
41  public class GetMethodImpl implements Method {
42  
43      public int process(WebDAVRequest webDavRequest) throws WebDAVException {
44          InputStream is = null;
45  
46          try {
47              WebDAVStorage storage = webDavRequest.getWebDAVStorage();
48              HttpServletResponse response =
49                  webDavRequest.getHttpServletResponse();
50  
51              Resource resource = storage.getResource(webDavRequest);
52  
53              if (resource != null) {
54                  try {
55                      is = resource.getContentAsStream();
56                  }
57                  catch (Exception e) {
58                      if (_log.isWarnEnabled()) {
59                          _log.warn(e.getMessage());
60                      }
61                  }
62              }
63  
64              int status = HttpServletResponse.SC_NOT_FOUND;
65  
66              if (is != null) {
67                  try {
68                      ServletResponseUtil.write(response, is);
69                  }
70                  catch (Exception e) {
71                      if (_log.isWarnEnabled()) {
72                          _log.warn(e);
73                      }
74                  }
75  
76                  status = HttpServletResponse.SC_OK;
77              }
78  
79              return status;
80          }
81          catch (Exception e) {
82              throw new WebDAVException(e);
83          }
84          finally {
85              ServletResponseUtil.cleanUp(is);
86          }
87      }
88  
89      private static Log _log = LogFactoryUtil.getLog(GetMethodImpl.class);
90  
91  }