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1   package org.apache.maven.wagon.tck.http.fixture;
2   
3   /*
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *   http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing,
15   * software distributed under the License is distributed on an
16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17   * KIND, either express or implied.  See the License for the
18   * specific language governing permissions and limitations
19   * under the License.
20   */
21  
22  import java.io.IOException;
23  import java.util.Collections;
24  import java.util.Enumeration;
25  
26  import javax.servlet.Filter;
27  import javax.servlet.FilterChain;
28  import javax.servlet.FilterConfig;
29  import javax.servlet.ServletException;
30  import javax.servlet.ServletRequest;
31  import javax.servlet.ServletResponse;
32  import javax.servlet.http.HttpServletRequest;
33  
34  public class ProxyConnectionVerifierFilter
35      implements Filter
36  {
37  
38      public void destroy()
39      {
40      }
41  
42      @SuppressWarnings( "unchecked" )
43      public void doFilter( final ServletRequest req, final ServletResponse resp, final FilterChain chain )
44          throws IOException, ServletException
45      {
46          HttpServletRequest request = (HttpServletRequest) req;
47          // HttpServletResponse response = (HttpServletResponse) resp;
48  
49          Enumeration<String> kEn = request.getHeaderNames();
50          for ( String key : Collections.list( kEn ) )
51          {
52              if ( key == null )
53              {
54                  continue;
55              }
56  
57              Enumeration<String> vEn = request.getHeaders( key );
58              if ( vEn != null )
59              {
60                  for ( String val : Collections.list( vEn ) )
61                  {
62                      System.out.println( key + ": " + val );
63                  }
64              }
65          }
66  
67          chain.doFilter( req, resp );
68      }
69  
70      public void init( final FilterConfig filterConfig )
71          throws ServletException
72      {
73      }
74  
75  }