1   /**
2    * Copyright (c) 2000-2007 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.webdav.Resource;
26  import com.liferay.portal.webdav.WebDAVException;
27  import com.liferay.portal.webdav.WebDAVRequest;
28  import com.liferay.portal.webdav.WebDAVStorage;
29  import com.liferay.util.servlet.ServletResponseUtil;
30  
31  import java.io.InputStream;
32  
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="GetMethodImpl.java.html"><b><i>View Source</i></b></a>
40   *
41   * @author Brian Wing Shun Chan
42   *
43   */
44  public class GetMethodImpl implements Method {
45  
46      public void process(WebDAVRequest webDavReq) throws WebDAVException {
47          InputStream is = null;
48  
49          try {
50              WebDAVStorage storage = webDavReq.getWebDAVStorage();
51              HttpServletResponse res = webDavReq.getHttpServletResponse();
52  
53              Resource resource = storage.getResource(webDavReq);
54  
55              if (resource != null) {
56                  try {
57                      is = resource.getContentAsStream();
58                  }
59                  catch (Exception e) {
60                      if (_log.isWarnEnabled()) {
61                          _log.warn(e.getMessage());
62                      }
63                  }
64              }
65  
66              if (is == null) {
67                  res.setStatus(HttpServletResponse.SC_NOT_FOUND);
68              }
69              else {
70                  res.setStatus(HttpServletResponse.SC_OK);
71  
72                  try {
73                      ServletResponseUtil.write(res, is);
74                  }
75                  catch (Exception e) {
76                      if (_log.isWarnEnabled()) {
77                          _log.warn(e);
78                      }
79                  }
80              }
81          }
82          catch (Exception e) {
83              throw new WebDAVException(e);
84          }
85          finally {
86              ServletResponseUtil.cleanUp(is);
87          }
88      }
89  
90      private static Log _log = LogFactory.getLog(GetMethodImpl.class);
91  
92  }