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Jetty example source code file (RequestLogHandler.java)

This example Jetty source code file (RequestLogHandler.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Jetty tags/keywords

exception, exception, handlerwrapper, http, httpservletrequest, httpservletresponse, io, ioexception, request, requestlog, requestlog, requestloghandler, response, response, runtimeexception, servlet, servletexception, servletexception

The Jetty RequestLogHandler.java source code

//========================================================================
//Copyright 2006 Mort Bay Consulting Pty. Ltd.
//------------------------------------------------------------------------
//Licensed under the Apache License, Version 2.0 (the "License");
//you may not use this file except in compliance with the License.
//You may obtain a copy of the License at
//http://www.apache.org/licenses/LICENSE-2.0
//Unless required by applicable law or agreed to in writing, software
//distributed under the License is distributed on an "AS IS" BASIS,
//WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//See the License for the specific language governing permissions and
//limitations under the License.
//========================================================================

package org.mortbay.jetty.handler; 

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.mortbay.jetty.Request;
import org.mortbay.jetty.RequestLog;
import org.mortbay.jetty.Response;
import org.mortbay.jetty.Server;
import org.mortbay.log.Log;



/** 
 * RequestLogHandler.
 * This handler can be used to wrap an individual context for context logging.
 * 
 * @author Nigel Canonizado
 * @org.apache.xbean.XBean
 */
public class RequestLogHandler extends HandlerWrapper
{
    private RequestLog _requestLog;
    
    /* ------------------------------------------------------------ */
    /* 
     * @see org.mortbay.jetty.Handler#handle(java.lang.String, javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse, int)
     */
    public void handle(String target, HttpServletRequest request, HttpServletResponse response, int dispatch)
            throws IOException, ServletException
    {
        super.handle(target, request, response, dispatch);
        if (dispatch==REQUEST && _requestLog!=null)
            _requestLog.log((Request)request, (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.mortbay.jetty.handler.HandlerWrapper#setServer(org.mortbay.jetty.Server)
     */
    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.mortbay.jetty.handler.HandlerWrapper#doStart()
     */
    protected void doStart() throws Exception
    {
        super.doStart();
        if (_requestLog!=null)
            _requestLog.start();
    }

    /* ------------------------------------------------------------ */
    /* 
     * @see org.mortbay.jetty.handler.HandlerWrapper#doStop()
     */
    protected void doStop() throws Exception
    {
        super.doStop();
        if (_requestLog!=null)
            _requestLog.stop();
    }

    
}

Other Jetty examples (source code examples)

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