1   /**
2    * Copyright (c) 2000-2008 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.util;
24  
25  import com.liferay.portlet.ActionRequestImpl;
26  import com.liferay.util.servlet.DynamicServletRequest;
27  import com.liferay.util.servlet.UploadPortletRequest;
28  import com.liferay.util.servlet.UploadServletRequest;
29  
30  import javax.portlet.ActionRequest;
31  
32  import javax.servlet.ServletRequest;
33  import javax.servlet.http.HttpServletRequest;
34  import javax.servlet.http.HttpServletRequestWrapper;
35  
36  /**
37   * <a href="UploadRequestUtil.java.html"><b><i>View Source</i></b></a>
38   *
39   * @author Brian Wing Shun Chan
40   *
41   */
42  public class UploadRequestUtil {
43  
44      public static UploadPortletRequest getUploadPortletRequest(
45          ActionRequest req) {
46  
47          ActionRequestImpl actionReq = (ActionRequestImpl)req;
48  
49          DynamicServletRequest dynamicReq =
50              (DynamicServletRequest)actionReq.getHttpServletRequest();
51  
52          HttpServletRequestWrapper reqWrapper =
53              (HttpServletRequestWrapper)dynamicReq.getRequest();
54  
55          UploadServletRequest uploadReq = getUploadServletRequest(reqWrapper);
56  
57          return new UploadPortletRequest(
58              uploadReq,
59              PortalUtil.getPortletNamespace(actionReq.getPortletName()));
60      }
61  
62      public static UploadServletRequest getUploadServletRequest(
63          HttpServletRequest httpReq) {
64  
65          HttpServletRequestWrapper httpReqWrapper = null;
66  
67          if (httpReq instanceof HttpServletRequestWrapper) {
68              httpReqWrapper = (HttpServletRequestWrapper)httpReq;
69          }
70  
71          UploadServletRequest uploadReq = null;
72  
73          while (uploadReq == null) {
74  
75              // Find the underlying UploadServletRequest wrapper. For example,
76              // WebSphere wraps all requests with ProtectedServletRequest.
77  
78              if (httpReqWrapper instanceof UploadServletRequest) {
79                  uploadReq = (UploadServletRequest)httpReqWrapper;
80              }
81              else {
82                  ServletRequest req = httpReqWrapper.getRequest();
83  
84                  if (!(req instanceof HttpServletRequestWrapper)) {
85                      break;
86                  }
87                  else {
88                      httpReqWrapper =
89                          (HttpServletRequestWrapper)httpReqWrapper.getRequest();
90                  }
91              }
92          }
93  
94          return uploadReq;
95      }
96  
97  }