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/*
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* This program is a part of the IoTa Project.
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*
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* Copyright © 2011-2012 Université de Caen Basse-Normandie, GREYC
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* Copyright © 2011 Orange Labs
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* Copyright © 2007 ETH Zurich
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* <http://www.gnu.org/licenses/>
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*
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* See AUTHORS for a list of contributors.
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*/
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package fr.unicaen.iota.eta.callback.receiver;
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import java.util.Enumeration;
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import javax.servlet.ServletContext;
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import javax.servlet.ServletContextEvent;
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import javax.servlet.ServletContextListener;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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/**
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* This
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* <code>CallbackContextListener</code> performs the initialization and
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* termination (shut-down) work required by the Callback application, such as
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* initializing the logging framework. This class receives notifications about
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* changes to the servlet context of the web application, e.g., when the servlet
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* context is loaded, or is about to be shut down.
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*/
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public class CallbackContextListener implements ServletContextListener {
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private static final Log LOG = LogFactory.getLog(CallbackContextListener.class);
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/**
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* {@inheritDoc}
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*
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* @see
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* javax.servlet.ServletContextListener#contextInitialized(javax.servlet.ServletContextEvent)
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*/
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@Override
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public void contextInitialized(ServletContextEvent event) {
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ServletContext ctx = event.getServletContext();
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/*
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* Note: logging is initialized automatically by reading
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* logging.properties and log4j.properties from the classpath.
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* logging.properties is used to tell commons-logging to use LOG4J as
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* its underlying logging toolkit; log4j.properties is used to configure
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* LOG4J. To initialize LOG4J manually from LOG4J_CONFIG_LOCATION,
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* un-comment the following code (LOG4J_CONFIG_LOCATION =
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* "log4jConfigLocation") ...
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*/
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// "log4jConfigLocation";
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// String path = ctx.getRealPath("/");
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// String log4jCfg = ctx.getInitParameter(LOG4J_CONFIG_LOCATION);
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// // initialize Log4j
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// if (log4jCfg != null) {
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// // if no log4j properties file found, then do not try
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// // to load it (the application runs without logging)
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// PropertyConfigurator.configure(path + log4jCfg);
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// }
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// log = LogFactory.getLog(this.getClass());
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// set a system property to configure CXF to use LOG4J
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System.setProperty("org.apache.cxf.Logger", "org.apache.cxf.common.logging.Log4jLogger");
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LOG.info("Starting Callback application");
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if (LOG.isDebugEnabled()) {
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LOG.debug("Logging application context init-parameters:");
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Enumeration<?> e = ctx.getInitParameterNames();
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while (e.hasMoreElements()) {
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String param = (String) e.nextElement();
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LOG.debug(param + "=" + ctx.getInitParameter(param));
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}
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}
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}
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/**
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* {@inheritDoc}
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*
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* @see
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* javax.servlet.ServletContextListener#contextDestroyed(javax.servlet.ServletContextEvent)
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*/
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@Override
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public void contextDestroyed(ServletContextEvent event) {
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LOG.info("Callback application shut down\n######################################");
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LogFactory.releaseAll();
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}
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}
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