1   /**
2    * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved.
3    *
4    * This library is free software; you can redistribute it and/or modify it under
5    * the terms of the GNU Lesser General Public License as published by the Free
6    * Software Foundation; either version 2.1 of the License, or (at your option)
7    * any later version.
8    *
9    * This library is distributed in the hope that it will be useful, but WITHOUT
10   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
11   * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
12   * details.
13   */
14  
15  package com.liferay.util.servlet;
16  
17  import com.liferay.portal.kernel.log.Log;
18  import com.liferay.portal.kernel.log.LogFactoryUtil;
19  
20  import javax.servlet.http.HttpServletRequest;
21  import javax.servlet.http.HttpServletRequestWrapper;
22  
23  /**
24   * <a href="ServletRequestUtil.java.html"><b><i>View Source</i></b></a>
25   *
26   * @author Brian Wing Shun Chan
27   */
28  public class ServletRequestUtil {
29  
30      public static void logRequestWrappers(HttpServletRequest request) {
31          HttpServletRequest tempRequest = request;
32  
33          while (true) {
34              _log.info("Request class " + tempRequest.getClass().getName());
35  
36              if (tempRequest instanceof HttpServletRequestWrapper) {
37                  HttpServletRequestWrapper requestWrapper =
38                      (HttpServletRequestWrapper)tempRequest;
39  
40                  tempRequest = (HttpServletRequest)requestWrapper.getRequest();
41              }
42              else {
43                  break;
44              }
45          }
46      }
47  
48      private static Log _log = LogFactoryUtil.getLog(ServletRequestUtil.class);
49  
50  }