/*
* 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.naming;
import java.util.Hashtable;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.Name;
import javax.naming.spi.ObjectFactory;
import org.jboss.logging.Logger;
import org.jboss.util.id.GUID;
/**
* An object factory that allows different objects to be used
* in the local virtual machine versus remote virtual machines
*
* @author Adrian Brock (adrian@jboss.com)
* @version $Revision: 81030 $
*/
public class LinkRefPairObjectFactory implements ObjectFactory
{
// Constants -----------------------------------------------------
/** The logger */
private static final Logger log = Logger.getLogger(LinkRefPairObjectFactory.class);
/** Our class name */
static final String className = LinkRefPairObjectFactory.class.getName();
/** The guid used to determine whether we in the same VM */
static final String guid = new GUID().asString();
// Attributes ----------------------------------------------------
// Static --------------------------------------------------------
// Constructors --------------------------------------------------
// Public --------------------------------------------------------
// ObjectFactory implementation ----------------------------------
public Object getObjectInstance(Object obj, Name name, Context nameCtx, Hashtable environment) throws Exception
{
LinkRefPair pair = (LinkRefPair) obj;
String jndiName;
// Local or remote?
boolean local = false;
if (guid.equals(pair.getGUID()))
{
jndiName = pair.getLocalLinkName();
local = true;
}
else
jndiName = pair.getRemoteLinkName();
InitialContext ctx;
if (local || environment == null)
ctx = new InitialContext();
else
ctx = new InitialContext(environment);
return ctx.lookup(jndiName);
}
// Y overrides ---------------------------------------------------
// Package protected ---------------------------------------------
// Protected -----------------------------------------------------
// Private -------------------------------------------------------
// Inner classes -------------------------------------------------
}