objectfactory.java

一个类似于openJMS分布在ObjectWeb之下的JMS消息中间件。

/*
 * JORAM: Java(TM) Open Reliable Asynchronous Messaging
 * Copyright (C) 2001 - ScalAgent Distributed Technologies
 * Copyright (C) 1996 - Dyade
 *
 * This library 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 any later version.
 * 
 * This library 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 library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
 * USA.
 *
 * Initial developer(s): Sofiane Chibani
 * Contributor(s): David Feliot, Nicolas Tachker
 */
package fr.dyade.aaa.jndi2.msg;

import javax.naming.*;
import java.io.*;

public class ObjectFactory implements javax.naming.spi.ObjectFactory {
  public final static String ADDRESS_TYPE = "";

  public Object getObjectInstance(Object obj, Name name, Context ctx,
                                  java.util.Hashtable env) throws Exception {
    if (obj instanceof Reference) {
      Reference ref = (Reference)obj;
      RefAddr addr = ref.get(ADDRESS_TYPE);
      if (addr instanceof BinaryRefAddr) {
        BinaryRefAddr binRefAddr = (BinaryRefAddr)addr;
        byte[] bytes = (byte[])binRefAddr.getContent();
        ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
        ObjectInputStream ois = new ObjectInputStream(bais);
        return ois.readObject();
      } else {
        throw new Exception("Binary address expected");
      }
    } else {
      throw new Exception("Reference expected");
    }
  }
}