com.viadeo.kasper.exposition.http.jetty.RequestLogHandler.java Source code

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Here is the source code for com.viadeo.kasper.exposition.http.jetty.RequestLogHandler.java

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// ----------------------------------------------------------------------------
//  This file is part of the Kasper framework.
//
//  The Kasper framework is free software: you can redistribute it and/or 
//  modify it under the terms of the GNU Lesser General Public License as 
//  published by the Free Software Foundation, either version 3 of the 
//  License, or (at your option) any later version.
//
//  Kasper framework is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//  GNU Lesser General Public License for more details.
//
//  You should have received a copy of the GNU Lesser General Public License
//  along with the framework Kasper.  
//  If not, see <http://www.gnu.org/licenses/>.
// --
//  Ce fichier fait partie du framework logiciel Kasper
//
//  Ce programme est un logiciel libre ; vous pouvez le redistribuer ou le 
//  modifier suivant les termes de la GNU Lesser General Public License telle 
//  que publie par la Free Software Foundation ; soit la version 3 de la 
//  licence, soit ( votre gr) toute version ultrieure.
//
//  Ce programme est distribu dans l'espoir qu'il sera utile, mais SANS 
//  AUCUNE GARANTIE ; sans mme la garantie tacite de QUALIT MARCHANDE ou 
//  d'ADQUATION  UN BUT PARTICULIER. Consultez la GNU Lesser General Public 
//  License pour plus de dtails.
//
//  Vous devez avoir reu une copie de la GNU Lesser General Public License en 
//  mme temps que ce programme ; si ce n'est pas le cas, consultez 
//  <http://www.gnu.org/licenses>
// ----------------------------------------------------------------------------
// ============================================================================
//                 KASPER - Kasper is the treasure keeper
//    www.viadeo.com - mobile.viadeo.com - api.viadeo.com - dev.viadeo.com
//
//           Viadeo Framework for effective CQRS/DDD architecture
// ============================================================================
package com.viadeo.kasper.exposition.http.jetty;

import com.google.common.base.Objects;
import org.eclipse.jetty.server.Request;
import org.eclipse.jetty.server.handler.HandlerWrapper;
import org.joda.time.DateTime;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

public class RequestLogHandler extends HandlerWrapper {

    public static final Logger LOGGER = LoggerFactory.getLogger(RequestLogHandler.class);

    @Override
    public void handle(final String target, final Request baseRequest, final HttpServletRequest request,
            final HttpServletResponse response) throws IOException, ServletException {

        final String correlationId = Objects.firstNonNull(baseRequest.getHeader("X-KASPER-REQUEST-CID"), "-");
        final String path = baseRequest.getRequestURI();
        final long timestamp = baseRequest.getTimeStamp();
        final DateTime time = new DateTime(timestamp);
        final String message = String.format("%s %s %s", time.toString(), path, correlationId);

        LOGGER.debug("BEFORE HANDLE: {}", message);
        final long tic = System.currentTimeMillis();

        try {
            super.handle(target, baseRequest, request, response);
        } finally {
            final long handleDuration = System.currentTimeMillis() - tic;
            LOGGER.debug("AFTER HANDLE ({} ms): {}", handleDuration, message);
        }

    }

}