org.eclipse.jetty.server.handler.RequestLogHandler Maven / Gradle / Ivy
//
// ========================================================================
// Copyright (c) 1995-2013 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.AsyncEvent;
import javax.servlet.AsyncListener;
import javax.servlet.DispatcherType;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.eclipse.jetty.server.AsyncContextState;
import org.eclipse.jetty.server.Request;
import org.eclipse.jetty.server.RequestLog;
import org.eclipse.jetty.server.Response;
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;
private final AsyncListener _listener = new AsyncListener()
{
@Override
public void onTimeout(AsyncEvent event) throws IOException
{
}
@Override
public void onStartAsync(AsyncEvent event) throws IOException
{
event.getAsyncContext().addListener(this);
}
@Override
public void onError(AsyncEvent event) throws IOException
{
}
@Override
public void onComplete(AsyncEvent event) throws IOException
{
AsyncContextState context = (AsyncContextState)event.getAsyncContext();
Request request=context.getHttpChannelState().getBaseRequest();
Response response=request.getResponse();
_requestLog.log(request,response);
}
};
/* ------------------------------------------------------------ */
/*
* @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, Request baseRequest, HttpServletRequest request, HttpServletResponse response)
throws IOException, ServletException
{
try
{
super.handle(target, baseRequest, request, response);
}
finally
{
if (_requestLog != null && baseRequest.getDispatcherType().equals(DispatcherType.REQUEST))
{
if (baseRequest.getHttpChannelState().isAsync())
{
if (baseRequest.getHttpChannelState().isInitial())
baseRequest.getAsyncContext().addListener(_listener);
}
else
_requestLog.log(baseRequest, (Response)response);
}
}
}
/* ------------------------------------------------------------ */
public void setRequestLog(RequestLog requestLog)
{
updateBean(_requestLog,requestLog);
_requestLog=requestLog;
}
/* ------------------------------------------------------------ */
public RequestLog getRequestLog()
{
return _requestLog;
}
/* ------------------------------------------------------------ */
@Override
protected void doStart() throws Exception
{
if (_requestLog==null)
{
LOG.warn("!RequestLog");
_requestLog=new NullRequestLog();
}
super.doStart();
}
/* ------------------------------------------------------------ */
@Override
protected void doStop() throws Exception
{
super.doStop();
if (_requestLog instanceof NullRequestLog)
_requestLog=null;
}
/* ------------------------------------------------------------ */
/* ------------------------------------------------------------ */
/* ------------------------------------------------------------ */
private static class NullRequestLog extends AbstractLifeCycle implements RequestLog
{
@Override
public void log(Request request, Response response)
{
}
}
}