/*
* JBoss, Home of Professional Open Source.
* Copyright 2006, 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.ejb3;
import java.util.Collections;
import java.util.HashMap;
import java.util.Hashtable;
import java.util.Map;
import javax.naming.Context;
import javax.naming.Name;
import javax.naming.NamingException;
import javax.naming.RefAddr;
import javax.naming.Reference;
import javax.naming.StringRefAddr;
import javax.naming.spi.ObjectFactory;
import org.jboss.naming.Util;
/**
* A utility class that allows one to bind a non-serializable object into a
* local JNDI context. The binding will only be valid for the lifetime of the
* VM in which the JNDI InitialContext lives. An example usage code snippet is:
* <p/>
* Internally, there is a static map that is keyed based on Context identityMap and the atom name of the target
*
* @author <a href="mailto:bill@jboss.org">Bill Burke</a>.
* @author <a href="mailto:Scott.Stark@jboss.org">Scott Stark</a>.
* @version $Revision: 57207 $
* @see javax.naming.spi.ObjectFactory
* @see #rebind(javax.naming.Context, String, Object)
*/
public class NonSerializableFactory implements ObjectFactory
{
private static Map wrapperMap = Collections.synchronizedMap(new HashMap());
public static void unbind(Context ctx, String strName) throws NamingException
{
Name name = ctx.getNameParser("").parse(strName);
int size = name.size();
String atom = name.get(size - 1);
Context parentCtx = Util.createSubcontext(ctx, name.getPrefix(size - 1));
String key = parentCtx.getNameInNamespace() + "/" + atom;
wrapperMap.remove(key);
Util.unbind(ctx, strName);
}
public static void rebind(Context ctx, String strName, Object value) throws javax.naming.NamingException
{
Name name = ctx.getNameParser("").parse(strName);
int size = name.size();
String atom = name.get(size - 1);
Context parentCtx = Util.createSubcontext(ctx, name.getPrefix(size - 1));
String key = parentCtx.getNameInNamespace() + "/" + atom;
wrapperMap.put(key, value);
String className = value.getClass().getName();
String factory = NonSerializableFactory.class.getName();
StringRefAddr addr = new StringRefAddr("nns", key);
Reference memoryRef = new Reference(className, addr, factory, null);
parentCtx.rebind(atom, memoryRef);
}
public static void bind(Context ctx, String strName, Object value) throws javax.naming.NamingException
{
Name name = ctx.getNameParser("").parse(strName);
int size = name.size();
String atom = name.get(size - 1);
Context parentCtx = Util.createSubcontext(ctx, name.getPrefix(size - 1));
String key = parentCtx.getNameInNamespace() + "/" + atom;
wrapperMap.put(key, value);
String className = value.getClass().getName();
String factory = NonSerializableFactory.class.getName();
StringRefAddr addr = new StringRefAddr("nns", key);
Reference memoryRef = new Reference(className, addr, factory, null);
parentCtx.bind(atom, memoryRef);
}
public Object getObjectInstance(Object obj, Name name, Context nameCtx, Hashtable env)
throws Exception
{ // Get the nns value from the Reference obj and use it as the map key
Reference ref = (Reference) obj;
RefAddr addr = ref.get("nns");
String key = (String) addr.getContent();
return wrapperMap.get(key);
}
// --- End ObjectFactory interface methods
}
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