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.webdav.methods;
24  
25  import com.liferay.portal.kernel.log.Log;
26  import com.liferay.portal.kernel.log.LogFactoryUtil;
27  import com.liferay.portal.webdav.Resource;
28  import com.liferay.portal.webdav.WebDAVException;
29  import com.liferay.portal.webdav.WebDAVRequest;
30  import com.liferay.portal.webdav.WebDAVStorage;
31  import com.liferay.util.servlet.ServletResponseUtil;
32  
33  import java.io.InputStream;
34  
35  import javax.servlet.http.HttpServletResponse;
36  
37  /**
38   * <a href="GetMethodImpl.java.html"><b><i>View Source</i></b></a>
39   *
40   * @author Brian Wing Shun Chan
41   * @author Alexander Chow
42   *
43   */
44  public class GetMethodImpl implements Method {
45  
46      public int process(WebDAVRequest webDavRequest) throws WebDAVException {
47          InputStream is = null;
48  
49          try {
50              WebDAVStorage storage = webDavRequest.getWebDAVStorage();
51              HttpServletResponse response =
52                  webDavRequest.getHttpServletResponse();
53  
54              Resource resource = storage.getResource(webDavRequest);
55  
56              if (resource != null) {
57                  try {
58                      is = resource.getContentAsStream();
59                  }
60                  catch (Exception e) {
61                      if (_log.isWarnEnabled()) {
62                          _log.warn(e.getMessage());
63                      }
64                  }
65              }
66  
67              int status = HttpServletResponse.SC_NOT_FOUND;
68  
69              if (is != null) {
70                  try {
71                      ServletResponseUtil.write(response, is);
72                  }
73                  catch (Exception e) {
74                      if (_log.isWarnEnabled()) {
75                          _log.warn(e);
76                      }
77                  }
78  
79                  status = HttpServletResponse.SC_OK;
80              }
81  
82              return status;
83          }
84          catch (Exception e) {
85              throw new WebDAVException(e);
86          }
87          finally {
88              ServletResponseUtil.cleanUp(is);
89          }
90      }
91  
92      private static Log _log = LogFactoryUtil.getLog(GetMethodImpl.class);
93  
94  }