/*
* 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.proxy.ejb.handle;
import java.rmi.ServerException;
import java.lang.reflect.Method;
import java.io.ObjectStreamField;
import java.io.ObjectInputStream;
import java.io.IOException;
import java.io.ObjectOutputStream;
import java.util.Hashtable;
import javax.naming.InitialContext;
import javax.ejb.Handle;
import javax.ejb.EJBObject;
import javax.ejb.EJBHome;
import org.jboss.naming.NamingContextFactory;
/**
* An EJB stateless session bean handle.
*
* @author <a href="mailto:marc.fleury@jboss.org">Marc Fleury</a>
* @author Scott.Stark@jboss.org
* @version $Revision: 81030 $
*/
public class StatelessHandleImpl
implements Handle
{
/** Serial Version Identifier. */
static final long serialVersionUID = 3811452873535097661L;
private static final ObjectStreamField[] serialPersistentFields =
new ObjectStreamField[]
{
new ObjectStreamField("jndiName", String.class),
new ObjectStreamField("jndiEnv", Hashtable.class)
};
/** The JNDI name of the home inteface binding */
private String jndiName;
/** The JNDI env in effect when the home handle was created */
private Hashtable jndiEnv;
// Constructors --------------------------------------------------
/**
* Construct a <tt>StatelessHandleImpl</tt>.
*
* @param handle The initial context handle that will be used
* to restore the naming context or null to use
* a fresh InitialContext object.
* @param name JNDI name.
*/
public StatelessHandleImpl(String jndiName)
{
this.jndiName = jndiName;
this.jndiEnv = (Hashtable) NamingContextFactory.lastInitialContextEnv.get();
}
// Public --------------------------------------------------------
public EJBObject getEJBObject()
throws ServerException
{
try
{
InitialContext ic = null;
if( jndiEnv != null )
ic = new InitialContext(jndiEnv);
else
ic = new InitialContext();
EJBHome home = (EJBHome) ic.lookup(jndiName);
Class type = home.getClass();
Method method = type.getMethod("create", new Class[0]);
return (EJBObject) method.invoke(home, new Object[0]);
}
catch (Exception e)
{
throw new ServerException("Could not get EJBObject", e);
}
}
/**
* @return the jndi name
*/
public String getJNDIName()
{
return jndiName;
}
private void readObject(ObjectInputStream ois)
throws IOException, ClassNotFoundException
{
ObjectInputStream.GetField getField = ois.readFields();
jndiName = (String) getField.get("jndiName", null);
jndiEnv = (Hashtable) getField.get("jndiEnv", null);
}
private void writeObject(ObjectOutputStream oos)
throws IOException
{
ObjectOutputStream.PutField putField = oos.putFields();
putField.put("jndiName", jndiName);
putField.put("jndiEnv", jndiEnv);
oos.writeFields();
}
}