1 // ========================================================================
2 // Copyright (c) 2006-2009 Mort Bay Consulting Pty. Ltd.
3 // ------------------------------------------------------------------------
4 // All rights reserved. This program and the accompanying materials
5 // are made available under the terms of the Eclipse Public License v1.0
6 // and Apache License v2.0 which accompanies this distribution.
7 // The Eclipse Public License is available at
8 // http://www.eclipse.org/legal/epl-v10.html
9 // The Apache License v2.0 is available at
10 // http://www.opensource.org/licenses/apache2.0.php
11 // You may elect to redistribute this code under either of these licenses.
12 // ========================================================================
13
14 package org.eclipse.jetty.server.handler;
15
16 import java.io.IOException;
17
18 import javax.servlet.ServletException;
19 import javax.servlet.http.HttpServletRequest;
20 import javax.servlet.http.HttpServletResponse;
21
22 import org.eclipse.jetty.server.AsyncContinuation;
23 import org.eclipse.jetty.server.DispatcherType;
24 import org.eclipse.jetty.server.Request;
25 import org.eclipse.jetty.server.RequestLog;
26 import org.eclipse.jetty.server.Response;
27 import org.eclipse.jetty.server.Server;
28 import org.eclipse.jetty.util.log.Log;
29
30
31
32 /**
33 * RequestLogHandler.
34 * This handler can be used to wrap an individual context for context logging.
35 *
36 *
37 * @org.apache.xbean.XBean
38 */
39 public class RequestLogHandler extends HandlerWrapper
40 {
41 private RequestLog _requestLog;
42
43 /* ------------------------------------------------------------ */
44 /*
45 * @see org.eclipse.jetty.server.server.Handler#handle(java.lang.String, javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse, int)
46 */
47 @Override
48 public void handle(String target, Request baseRequest, HttpServletRequest request, HttpServletResponse response)
49 throws IOException, ServletException
50 {
51 AsyncContinuation continuation = baseRequest.getAsyncContinuation();
52 if (!continuation.isInitial())
53 {
54 baseRequest.setDispatchTime(System.currentTimeMillis());
55 }
56
57 try
58 {
59 super.handle(target, baseRequest, request, response);
60 }
61 finally
62 {
63 if (_requestLog != null && DispatcherType.REQUEST.equals(baseRequest.getDispatcherType()))
64 {
65 _requestLog.log(baseRequest, (Response)response);
66 }
67
68 }
69 }
70
71 /* ------------------------------------------------------------ */
72 public void setRequestLog(RequestLog requestLog)
73 {
74 //are we changing the request log impl?
75 try
76 {
77 if (_requestLog != null)
78 _requestLog.stop();
79 }
80 catch (Exception e)
81 {
82 Log.warn (e);
83 }
84
85 if (getServer()!=null)
86 getServer().getContainer().update(this, _requestLog, requestLog, "logimpl",true);
87
88 _requestLog = requestLog;
89
90 //if we're already started, then start our request log
91 try
92 {
93 if (isStarted() && (_requestLog != null))
94 _requestLog.start();
95 }
96 catch (Exception e)
97 {
98 throw new RuntimeException (e);
99 }
100 }
101
102 /* ------------------------------------------------------------ */
103 /*
104 * @see org.eclipse.jetty.server.server.handler.HandlerWrapper#setServer(org.eclipse.jetty.server.server.Server)
105 */
106 @Override
107 public void setServer(Server server)
108 {
109 if (_requestLog!=null)
110 {
111 if (getServer()!=null && getServer()!=server)
112 getServer().getContainer().update(this, _requestLog, null, "logimpl",true);
113 super.setServer(server);
114 if (server!=null && server!=getServer())
115 server.getContainer().update(this, null,_requestLog, "logimpl",true);
116 }
117 else
118 super.setServer(server);
119 }
120
121 /* ------------------------------------------------------------ */
122 public RequestLog getRequestLog()
123 {
124 return _requestLog;
125 }
126
127 /* ------------------------------------------------------------ */
128 /*
129 * @see org.eclipse.jetty.server.server.handler.HandlerWrapper#doStart()
130 */
131 @Override
132 protected void doStart() throws Exception
133 {
134 super.doStart();
135 if (_requestLog!=null)
136 _requestLog.start();
137 }
138
139 /* ------------------------------------------------------------ */
140 /*
141 * @see org.eclipse.jetty.server.server.handler.HandlerWrapper#doStop()
142 */
143 @Override
144 protected void doStop() throws Exception
145 {
146 super.doStop();
147 if (_requestLog!=null)
148 _requestLog.stop();
149 }
150
151 }