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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  import org.slf4j.Logger;
35  import org.slf4j.LoggerFactory;
36  
37  /**
38   * 
39   */
40  public class ProxyConnectionVerifierFilter
41      implements Filter
42  {
43      private static Logger logger = LoggerFactory.getLogger( ProxyConnectionVerifierFilter.class );
44  
45      public void destroy()
46      {
47      }
48  
49      @SuppressWarnings( "unchecked" )
50      public void doFilter( final ServletRequest req, final ServletResponse resp, final FilterChain chain )
51          throws IOException, ServletException
52      {
53          HttpServletRequest request = (HttpServletRequest) req;
54          // HttpServletResponse response = (HttpServletResponse) resp;
55  
56          Enumeration<String> kEn = request.getHeaderNames();
57          for ( String key : Collections.list( kEn ) )
58          {
59              if ( key == null )
60              {
61                  continue;
62              }
63  
64              Enumeration<String> vEn = request.getHeaders( key );
65              if ( vEn != null )
66              {
67                  for ( String val : Collections.list( vEn ) )
68                  {
69                      logger.info( key + ": " + val );
70                  }
71              }
72          }
73  
74          chain.doFilter( req, resp );
75      }
76  
77      public void init( final FilterConfig filterConfig )
78          throws ServletException
79      {
80      }
81  
82  }