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//
// ========================================================================
// Copyright (c) 1995-2014 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
//
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
//
// You may elect to redistribute this code under either of these licenses.
// ========================================================================
//
package org.eclipse.jetty.server.handler;
import java.io.IOException;
import javax.servlet.DispatcherType;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.eclipse.jetty.continuation.Continuation;
import org.eclipse.jetty.continuation.ContinuationListener;
import org.eclipse.jetty.server.AsyncContinuation;
import org.eclipse.jetty.server.Request;
import org.eclipse.jetty.server.RequestLog;
import org.eclipse.jetty.server.Response;
import org.eclipse.jetty.server.Server;
import org.eclipse.jetty.util.component.AbstractLifeCycle;
import org.eclipse.jetty.util.log.Log;
import org.eclipse.jetty.util.log.Logger;
/**
* RequestLogHandler.
* This handler can be used to wrap an individual context for context logging.
*
* @org.apache.xbean.XBean
*/
public class RequestLogHandler extends HandlerWrapper
{
private static final Logger LOG = Log.getLogger(RequestLogHandler.class);
private RequestLog _requestLog;
/* ------------------------------------------------------------ */
/*
* @see org.eclipse.jetty.server.server.Handler#handle(java.lang.String, javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse, int)
*/
@Override
public void handle(String target, final Request baseRequest, HttpServletRequest request, final HttpServletResponse response)
throws IOException, ServletException
{
AsyncContinuation continuation = baseRequest.getAsyncContinuation();
if (!continuation.isInitial())
{
baseRequest.setDispatchTime(System.currentTimeMillis());
}
try
{
super.handle(target, baseRequest, request, response);
}
finally
{
if (_requestLog != null && baseRequest.getDispatcherType().equals(DispatcherType.REQUEST))
{
if (continuation.isAsync())
{
if (continuation.isInitial())
continuation.addContinuationListener(new ContinuationListener()
{
public void onTimeout(Continuation continuation)
{
}
public void onComplete(Continuation continuation)
{
_requestLog.log(baseRequest, (Response)response);
}
});
}
else
_requestLog.log(baseRequest, (Response)response);
}
}
}
/* ------------------------------------------------------------ */
public void setRequestLog(RequestLog requestLog)
{
//are we changing the request log impl?
try
{
if (_requestLog != null)
_requestLog.stop();
}
catch (Exception e)
{
LOG.warn (e);
}
if (getServer()!=null)
getServer().getContainer().update(this, _requestLog, requestLog, "logimpl",true);
_requestLog = requestLog;
//if we're already started, then start our request log
try
{
if (isStarted() && (_requestLog != null))
_requestLog.start();
}
catch (Exception e)
{
throw new RuntimeException (e);
}
}
/* ------------------------------------------------------------ */
/*
* @see org.eclipse.jetty.server.server.handler.HandlerWrapper#setServer(org.eclipse.jetty.server.server.Server)
*/
@Override
public void setServer(Server server)
{
if (_requestLog!=null)
{
if (getServer()!=null && getServer()!=server)
getServer().getContainer().update(this, _requestLog, null, "logimpl",true);
super.setServer(server);
if (server!=null && server!=getServer())
server.getContainer().update(this, null,_requestLog, "logimpl",true);
}
else
super.setServer(server);
}
/* ------------------------------------------------------------ */
public RequestLog getRequestLog()
{
return _requestLog;
}
/* ------------------------------------------------------------ */
/*
* @see org.eclipse.jetty.server.server.handler.HandlerWrapper#doStart()
*/
@Override
protected void doStart() throws Exception
{
if (_requestLog==null)
{
LOG.warn("!RequestLog");
_requestLog=new NullRequestLog();
}
super.doStart();
_requestLog.start();
}
/* ------------------------------------------------------------ */
/*
* @see org.eclipse.jetty.server.server.handler.HandlerWrapper#doStop()
*/
@Override
protected void doStop() throws Exception
{
super.doStop();
_requestLog.stop();
if (_requestLog instanceof NullRequestLog)
_requestLog=null;
}
/* ------------------------------------------------------------ */
/* ------------------------------------------------------------ */
/* ------------------------------------------------------------ */
private static class NullRequestLog extends AbstractLifeCycle implements RequestLog
{
public void log(Request request, Response response)
{
}
}
}
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