/*
* JBoss, Home of Professional Open Source.
* Copyright 2009, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This 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 2.1 of
* the License, or (at your option) any later version.
*
* 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, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.jbossas.embedded.testsuite.servlet;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import java.util.logging.Logger;
import javax.ejb.embeddable.EJBContainer;
import javax.naming.Context;
import javax.naming.NamingException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.jboss.ejb3.embedded.api.shrinkwrap.ShrinkWrapEJBContainer;
import org.jboss.ejb3.embedded.impl.shrinkwrap.ShrinkWrapEJBContainerImpl;
import org.jboss.ejb3.embedded.spi.JBossEJBContainerProvider;
import org.jboss.jbossas.embedded.testsuite.ejb3.slsb.OutputBean;
import org.jboss.jbossas.embedded.testsuite.ejb3.slsb.OutputLocalBusiness;
import org.jboss.shrinkwrap.api.ShrinkWrap;
import org.jboss.shrinkwrap.api.spec.JavaArchive;
/**
* Servlet which forwards calls upon an EJB
* via the {@link EJBContainer} API.
*
* @author <a href="mailto:andrew.rubinger@jboss.org">ALR</a>
* @version $Revision: $
*/
public class EmbeddedEjbCallingServlet extends HttpServlet
{
//-------------------------------------------------------------------------------------||
// Class Members ----------------------------------------------------------------------||
//-------------------------------------------------------------------------------------||
/**
* Logger
*/
private static final Logger log = Logger.getLogger(EmbeddedEjbCallingServlet.class.getName());
/**
* serialVersionUID
*/
private static final long serialVersionUID = 1L;
/**
* Content type to use in forwarding
*/
private static final String CONTENT_TYPE_TEXT_PLAIN = "text/plain";
//-------------------------------------------------------------------------------------||
// Overridden Implementations ---------------------------------------------------------||
//-------------------------------------------------------------------------------------||
/**
* Returns the value {@link OutputLocalBusiness#OUTPUT} by invoking via an EJB
*
* @see javax.servlet.http.HttpServlet#doGet(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
*/
@Override
protected void doGet(final HttpServletRequest request, final HttpServletResponse response) throws ServletException,
IOException
{
// Log
log.info("Request: " + request);
// Set the content-type to text
response.setContentType(CONTENT_TYPE_TEXT_PLAIN);
// Create the EJB Container
final Map<String, String> ejbContainerProps = new HashMap<String, String>();
ejbContainerProps.put(EJBContainer.MODULES, ""); // Deploy no modules and do no scanning by default
final JBossEJBContainerProvider ejbContainer = (JBossEJBContainerProvider) EJBContainer
.createEJBContainer(ejbContainerProps);
final ShrinkWrapEJBContainer shrinkwrapEjbContainer = new ShrinkWrapEJBContainerImpl(ejbContainer);
// Define the EJB JAR
final JavaArchive archive = ShrinkWrap.create(JavaArchive.class, "outputSlsb.jar").addClasses(OutputBean.class,
OutputLocalBusiness.class);
// Deploy the JAR
shrinkwrapEjbContainer.deploy(archive);
// Look up the EJB
final Context context = ejbContainer.getContext();
final OutputLocalBusiness bean;
try
{
bean = (OutputLocalBusiness) context.lookup(OutputLocalBusiness.JNDI_NAME);
}
catch (final NamingException e)
{
throw new RuntimeException("Could not find bean proxy at " + OutputLocalBusiness.JNDI_NAME, e);
}
// Invoke
final String value = bean.getOutput();
// Undeploy
shrinkwrapEjbContainer.undeploy(archive);
// Shut down EJBContainer
ejbContainer.close();
// Write out
log.info("Got value from EJB: " + value);
response.getWriter().write(value);
}
}