be.fedict.trust.xkms2.ServiceConsumerServletContextListener.java Source code

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Here is the source code for be.fedict.trust.xkms2.ServiceConsumerServletContextListener.java

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/*
 * eID Trust Service Project.
 * Copyright (C) 2009-2010 FedICT.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License version
 * 3.0 as published by the Free Software Foundation.
 *
 * This software 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 this software; if not, see 
 * http://www.gnu.org/licenses/.
 */

package be.fedict.trust.xkms2;

import java.util.Enumeration;

import javax.ejb.EJB;
import javax.servlet.ServletContext;
import javax.servlet.ServletContextEvent;
import javax.servlet.ServletContextListener;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import be.fedict.trust.service.TrustService;

/**
 * Service Consumer Servlet Context Listener. For the moment this is the only
 * way to retrieve the EJB session bean references in JAX-WS RI under JBoss AS
 * 5.
 * 
 * @author Frank Cornelis
 * 
 */
public class ServiceConsumerServletContextListener implements ServletContextListener {

    @EJB
    private TrustService trustService;

    private static final Log LOG = LogFactory.getLog(ServiceConsumerServletContextListener.class);

    public void contextDestroyed(ServletContextEvent event) {
        LOG.debug("context destroyed");
    }

    @SuppressWarnings("unchecked")
    public void contextInitialized(ServletContextEvent event) {
        LOG.debug("context initialized");
        ServletContext servletContext = event.getServletContext();
        Enumeration<String> attributeNames = servletContext.getAttributeNames();
        while (attributeNames.hasMoreElements()) {
            String attributeName = attributeNames.nextElement();
            LOG.debug("servlet context attribute: " + attributeName);
        }
        LOG.debug("trust service injected: " + (null != this.trustService));
        /*
         * Via the Servlet Context we can make the Trust Service EJB3 reference
         * available to the JAW-WS endpoints.
         */
        servletContext.setAttribute(TrustService.class.getName(), this.trustService);
    }

    public static TrustService getTrustService(ServletContext context) {
        return (TrustService) context.getAttribute(TrustService.class.getName());
    }
}