001 //$HeadURL: https://svn.wald.intevation.org/svn/deegree/base/branches/2.3_testing/src/org/deegree/enterprise/servlet/LoggingFilter.java $
002 /*----------------------------------------------------------------------------
003 This file is part of deegree, http://deegree.org/
004 Copyright (C) 2001-2009 by:
005 Department of Geography, University of Bonn
006 and
007 lat/lon GmbH
008
009 This library is free software; you can redistribute it and/or modify it under
010 the terms of the GNU Lesser General Public License as published by the Free
011 Software Foundation; either version 2.1 of the License, or (at your option)
012 any later version.
013 This library is distributed in the hope that it will be useful, but WITHOUT
014 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
015 FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
016 details.
017 You should have received a copy of the GNU Lesser General Public License
018 along with this library; if not, write to the Free Software Foundation, Inc.,
019 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
020
021 Contact information:
022
023 lat/lon GmbH
024 Aennchenstr. 19, 53177 Bonn
025 Germany
026 http://lat-lon.de/
027
028 Department of Geography, University of Bonn
029 Prof. Dr. Klaus Greve
030 Postfach 1147, 53001 Bonn
031 Germany
032 http://www.geographie.uni-bonn.de/deegree/
033
034 e-mail: info@deegree.org
035 ----------------------------------------------------------------------------*/
036 package org.deegree.enterprise.servlet;
037
038 import java.io.IOException;
039 import java.io.InputStream;
040 import java.io.OutputStream;
041 import java.util.List;
042
043 import javax.servlet.Filter;
044 import javax.servlet.FilterChain;
045 import javax.servlet.FilterConfig;
046 import javax.servlet.ServletException;
047 import javax.servlet.ServletRequest;
048 import javax.servlet.ServletResponse;
049 import javax.servlet.http.HttpServletRequest;
050 import javax.servlet.http.HttpServletResponse;
051
052 import org.deegree.framework.util.StringTools;
053
054 /**
055 * servlet filter for logging incoming requests and outgoing responses. Through the init-params a
056 * user may limit logging to:
057 * <ul>
058 * <li>requests received from a list of defined source/remote addresses</li>
059 * <li>returned mime types</li>
060 * <li>meta informations about the incoming request</li>
061 * </ul>
062 *
063 *
064 * @version $Revision: 18195 $
065 * @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
066 * @author last edited by: $Author: mschneider $
067 *
068 * @version 1.0. $Revision: 18195 $, $Date: 2009-06-18 17:55:39 +0200 (Do, 18. Jun 2009) $
069 *
070 * @since 2.0
071 */
072 public class LoggingFilter implements Filter {
073
074 private List<String> remoteAddresses;
075
076 private List<String> mimeTypes;
077
078 private boolean metaInfo = false;
079
080 /**
081 * @param config
082 * @throws ServletException
083 */
084 public void init( FilterConfig config )
085 throws ServletException {
086
087 try {
088 if ( config.getInitParameter( "sourceAddresses" ) != null ) {
089 remoteAddresses = StringTools.toList( config.getInitParameter( "sourceAddresses" ), ";", true );
090 }
091
092 if ( config.getInitParameter( "mimeTypes" ) != null ) {
093 mimeTypes = StringTools.toList( config.getInitParameter( "mimeTypes" ), ";", true );
094 }
095 metaInfo = "true".equalsIgnoreCase( config.getInitParameter( "metaInfo" ) );
096 } catch ( Exception e ) {
097 e.printStackTrace();
098 }
099 }
100
101 /**
102 * @param request
103 * @param response
104 * @param chain
105 * @throws IOException
106 * @throws ServletException
107 */
108 public void doFilter( ServletRequest request, ServletResponse response, FilterChain chain )
109 throws IOException, ServletException {
110
111 synchronized ( this ) {
112
113 ServletResponseWrapper resWrap = new ServletResponseWrapper( (HttpServletResponse) response );
114
115 String url = ( (HttpServletRequest) request ).getRemoteAddr();
116 if ( remoteAddresses == null || remoteAddresses.contains( url ) ) {
117 ServletRequestWrapper reqWrap = new ServletRequestWrapper( (HttpServletRequest) request );
118 // log request content
119 System.out.println( reqWrap.getRequestURI() );
120 InputStream is = reqWrap.getInputStream();
121 int c = 0;
122 while ( ( c = is.read() ) > -1 ) {
123 System.out.print( (char) c );
124 }
125 is.close();
126
127 if ( metaInfo ) {
128 // log request meta information
129 System.out.println( "getRemoteAddr " + reqWrap.getRemoteAddr() );
130 System.out.println( "getPort " + reqWrap.getServerPort() );
131 System.out.println( "getMethod " + reqWrap.getMethod() );
132 System.out.println( "getPathInfo " + reqWrap.getPathInfo() );
133 System.out.println( "getRequestURI " + reqWrap.getRequestURI() );
134 System.out.println( "getServerName " + reqWrap.getServerName() );
135 System.out.println( "getServerPort " + reqWrap.getServerPort() );
136 System.out.println( "getServletPath " + reqWrap.getServletPath() );
137 }
138 chain.doFilter( reqWrap, resWrap );
139 } else {
140 chain.doFilter( request, resWrap );
141 }
142
143 OutputStream os = resWrap.getOutputStream();
144 byte[] b = ( (ServletResponseWrapper.ProxyServletOutputStream) os ).toByteArray();
145 os.close();
146
147 String mime = resWrap.getContentType();
148 System.out.println( "mime type: " + mime );
149 if ( mimeTypes == null || ( mime != null && mimeTypes.contains( mime ) ) ) {
150 System.out.write( b );
151 }
152
153 response.setContentType( mime );
154 response.setContentLength( b.length );
155
156 os = response.getOutputStream();
157 os.write( b );
158 os.close();
159 }
160
161 }
162
163 /**
164 *
165 */
166 public void destroy() {
167 // TODO Auto-generated method stub
168 }
169
170 }