/*
* 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.resource.adapter.jdbc.remote;
import java.rmi.server.UID;
import java.util.Hashtable;
import java.io.ByteArrayInputStream;
import java.io.ObjectInputStream;
import javax.naming.spi.ObjectFactory;
import javax.naming.Name;
import javax.naming.Context;
import javax.naming.Reference;
import javax.naming.BinaryRefAddr;
import javax.naming.StringRefAddr;
import org.jboss.util.naming.NonSerializableFactory;
/** A JNDI ObjectFactory for handling either the local or remote access to
* a JCA javax.sql.DataSource binding.
*
* @author Scott.Stark@jboss.org
* @version $Revision: 71554 $
*/
public class DataSourceFactory implements ObjectFactory
{
/** The class VM ID */
public static final UID vmID = new UID();
public Object getObjectInstance(Object obj, Name name, Context ctx,
Hashtable env) throws Exception
{
Object instance = null;
if (obj instanceof Reference)
{
Reference ref = (Reference) obj;
// Check the local id
BinaryRefAddr localID = (BinaryRefAddr) ref.get("VMID");
byte[] idBytes = (byte[]) localID.getContent();
ByteArrayInputStream bais = new ByteArrayInputStream(idBytes);
ObjectInputStream ois = new ObjectInputStream(bais);
UID id = (UID) ois.readObject();
if( id.equals(vmID) == true )
{
// Use the local datasource
StringRefAddr jndiAddr = (StringRefAddr) ref.get("JndiName");
String jndiName = (String) jndiAddr.getContent();
instance = NonSerializableFactory.lookup(jndiName);
}
else
{
// Use the embedded proxy
BinaryRefAddr proxyAddr = (BinaryRefAddr) ref.get("ProxyData");
byte[] proxyBytes = (byte[]) proxyAddr.getContent();
ByteArrayInputStream bais2 = new ByteArrayInputStream(proxyBytes);
ObjectInputStream ois2 = new ObjectInputStream(bais2);
instance = ois2.readObject();
}
}
return instance;
}
}