/*
* JBoss, Home of Professional Open Source.
* Copyright 2008, 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.ejb;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.lang.reflect.Method;
import javax.management.MBeanServer;
import javax.management.ObjectName;
import javax.management.RuntimeOperationsException;
import org.jboss.system.ServiceMBeanSupport;
/** The ContainerRelectionMBean implementation.
* @author Scott.Stark@jboss.org
* @version $Revision: 81030 $
*
* <p><b>Revisions:</b>
* <p><b>2001030 Marc Fleury:</b>
* <ul>
* <li>I wonder if this class is needed now that we are moving to an MBean per EJB.
* <li>In the new design the target EJB (interceptors are detached) should do this logic.
* FIXME: integrate this logic in the target MBean per EJB
* </ul>
*/
public class ContainerRelection extends ServiceMBeanSupport implements ContainerRelectionMBean
{
/** Lookup the mbean located under the object name ":service=Container,jndiName=<jndiName>"
and invoke the getHome and getRemote interfaces and dump the methods for each
in an html pre block.
*/
public String inspectEJB(String jndiName)
{
MBeanServer server = getServer();
StringBuffer buffer = new StringBuffer();
try
{
buffer.append("<pre>");
ObjectName containerName = new ObjectName(":service=Container,jndiName="+jndiName);
Class homeClass = (Class) server.invoke(containerName, "getHome", null, null);
buffer.append("\nHome class = "+homeClass);
buffer.append("\nClassLoader: "+homeClass.getClassLoader());
buffer.append("\nCodeSource: "+homeClass.getProtectionDomain().getCodeSource());
buffer.append("\n- Methods:");
Method[] homeMethods = homeClass.getMethods();
for(int m = 0; m < homeMethods.length; m ++)
buffer.append("\n--- "+homeMethods[m]);
Class remoteClass = (Class) server.invoke(containerName, "getRemote", null, null);
buffer.append("\nRemote class = "+remoteClass);
buffer.append("\n- Methods:");
Method[] remoteMethods = remoteClass.getMethods();
for(int m = 0; m < remoteMethods.length; m ++)
buffer.append("\n--- "+remoteMethods[m]);
buffer.append("\n</pre>\n");
}
catch(Throwable e)
{
if( e instanceof RuntimeOperationsException )
{
RuntimeOperationsException roe = (RuntimeOperationsException) e;
e = roe.getTargetException();
}
StringWriter sw = new StringWriter();
PrintWriter pw = new PrintWriter(sw);
e.printStackTrace(pw);
buffer.append(sw.toString());
buffer.append("\n</pre>\n");
}
return buffer.toString();
}
public String getName()
{
return "ContainerRelection";
}
}