/* ===============================================================================
*
* Part of the InfoGlue Content Management Platform (www.infoglue.org)
*
* ===============================================================================
*
* Copyright (C)
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License version 2, as published by the
* Free Software Foundation. See the file LICENSE.html for more information.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY, including the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc. / 59 Temple
* Place, Suite 330 / Boston, MA 02111-1307 / USA.
*
* ===============================================================================
*/
package org.infoglue.deliver.services;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.infoglue.cms.util.CmsPropertyHandler;
import org.infoglue.deliver.util.webloggers.CommonLogger;
import org.infoglue.deliver.util.webloggers.Logger;
import org.infoglue.deliver.util.webloggers.W3CExtendedLogger;
/**
* This class is thought of as an service which logs statistics about a request so that log analyzers later on can
* extract information from it. The thought is to have all delivery-engines report to a central service
* about their requests so the logfiles get merged at once. The service should be very performance centered and
* only write to the logfile when the system is low on use.
*
* Frank (03/04/2005): Only logs statistics if statistics.enabled=true in the deliver configuration file.
*/
public class StatisticsService
{
private static StatisticsService statisticsService = null;
private Logger logger;
/**
* A private constructor
* Could later on be specialized to use other loggers as well.
*/
private StatisticsService()
{
this.logger = new CommonLogger();
String statisticsLogger = CmsPropertyHandler.getStatisticsLogger();
if(statisticsLogger != null && statisticsLogger.equalsIgnoreCase("W3CExtendedLogger"))
this.logger = new W3CExtendedLogger();
}
/**
* A factory singleton implementation
*/
public static StatisticsService getStatisticsService()
{
if(statisticsService == null)
statisticsService = new StatisticsService();
return statisticsService;
}
/**
* This method registers a request to the distributed service.
* For now it only logs the request - bad boy!!!!
*
* It only logs the request if statistics were enabled in the configuration file.
*/
public void registerRequest(HttpServletRequest request, HttpServletResponse response, String pagePath, long elapsedTime)
{
String enabled = CmsPropertyHandler.getStatisticsEnabled();
if(Boolean.valueOf(enabled).booleanValue())
this.logger.logRequest(request, response, pagePath, elapsedTime);
}
}