/*
* JBoss, Home of Professional Open Source
* Copyright 2005, JBoss Inc., and individual contributors as indicated
* 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.util.naming;
import java.util.Hashtable;
import javax.naming.Context;
import javax.naming.Name;
import javax.naming.Reference;
import javax.naming.RefAddr;
import javax.naming.LinkRef;
import javax.naming.spi.ObjectFactory;
import org.jboss.logging.Logger;
/**
* Return a LinkRef based on a ThreadLocal key.
*
* @author <a href="mailto:bill@burkecentral.com">Bill Burke</a>
* @version $Revision: 2787 $
*/
@SuppressWarnings("unchecked")
public class ENCThreadLocalKey
implements ObjectFactory
{
private static final Logger log = Logger.getLogger(ENCThreadLocalKey.class);
// We need all the weak maps to make sure everything is released properly
// and we don't have any memory leaks
private final static ThreadLocal key = new ThreadLocal();
public static void setKey(String tlkey)
{
key.set(tlkey);
}
public static String getKey()
{
return (String) key.get();
}
public Object getObjectInstance(Object obj,
Name name,
Context nameCtx,
Hashtable environment)
throws Exception
{
Reference ref = (Reference) obj;
String reftype = (String) key.get();
boolean trace = log.isTraceEnabled();
if (reftype == null)
{
if (trace)
log.trace("using default in ENC");
reftype = "default";
}
RefAddr addr = ref.get(reftype);
if (addr == null)
{
if (trace)
log.trace("using default in ENC");
addr = ref.get("default"); // try to get default linking
}
if (addr != null)
{
String target = (String) addr.getContent();
if (trace)
log.trace("found Reference " + reftype + " with content " + target);
return new LinkRef(target);
}
return null;
}
}