/*
* JBoss, Home of Professional Open Source
* Copyright 2006, Red Hat Middleware LLC, and individual contributors
* by the @authors tag. See the copyright.txt 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.client;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
import org.jboss.logging.Logger;
import org.jboss.naming.client.java.javaURLContextFactory;
/**
* A AppClientLauncher implementation that simply looks for a static main
* method on the
*
* @author Scott.Stark@jboss.org
* @version $Revision: 85945 $
*/
public class ReflectionLauncher
implements AppClientLauncher
{
private static Logger log = Logger.getLogger(ReflectionLauncher.class);
/**
* Launch a javaee client application.
*
* @param clientClass - the class whose main(String[]) will be invoked
* @param clientName - the client name that maps to the server side JNDI ENC.
* May be null indicating the name should be taken from the client jar
* descriptors/annotations.
* @param args - the args to pass to main method
* @throws Throwable
*/
public void launch(String clientClass, String clientName, String[] args)
throws Throwable
{
try
{
System.setProperty(javaURLContextFactory.J2EE_CLIENT_NAME_PROP, clientName);
// invoke the client class
Class cl = Class.forName(clientClass);
Method main = cl.getDeclaredMethod("main", new Class[]{String[].class});
Object[] mainArgs = {args};
if( Modifier.isStatic(main.getModifiers()) )
{
main.invoke(null, mainArgs);
}
else
{
Object client = cl.newInstance();
main.invoke(client, mainArgs);
}
log.debug("Client invoker success.");
}
catch (InvocationTargetException e)
{
throw e.getTargetException();
}
}
}