JHomeHandleIIOP.java

package org.objectweb.jonas_ejb.svc;

import java.io.IOException;
import java.io.Serializable;
import java.rmi.RemoteException;

import javax.ejb.EJBHome;
import javax.ejb.HomeHandle;
import javax.ejb.spi.HandleDelegate;
import java.util.logging.Level;
import java.util.logging.Logger;

import javax.naming.NamingException;
import javax.rmi.PortableRemoteObject;
import javax.rmi.CORBA.Util;

import org.omg.PortableServer.Servant;


public class JHomeHandleIIOP implements HomeHandle, Serializable {

    private static Logger logger = Logger.getLogger("org.objectweb.jonas_ejb.svc");

    private String ior = null;

    private ClassLoader cl = null;

    private EJBHome ejbHome = null;

    public JHomeHandleIIOP(EJBHome h, ClassLoader cl) {
        logger.log(Level.FINE, "h=" + h);
        try {
            Servant servant = (Servant) Util.getTie(h);
            org.omg.CORBA.Object o = servant._this_object();
            this.ior = Utility.getORB().object_to_string(o);
            this.cl = cl;
            logger.log(Level.FINE, "ior=" + ior);
        } catch (Exception e) {
            logger.log(Level.SEVERE, "cannot get Handle: ", e);
        }
    }

    // -----------------------------------------------------------------------
    // HomeHandle implementation
    // -----------------------------------------------------------------------

    public EJBHome getEJBHome() throws RemoteException {
        logger.log(Level.FINE, "");
        ClassLoader old = Thread.currentThread().getContextClassLoader();
        logger.log(Level.FINE, "");
        if (ejbHome == null) {
            try {
                Thread.currentThread().setContextClassLoader(cl);
                ejbHome = (EJBHome) PortableRemoteObject.narrow(Utility.getORB().string_to_object(ior), EJBHome.class);
            } catch (NamingException e) {
                throw new RemoteException("getEJBHome:" + e);
            } finally {
                // reset
                Thread.currentThread().setContextClassLoader(old);
            }
        }
        return ejbHome;
    }

    private void writeObject(java.io.ObjectOutputStream out)
    throws IOException {
        logger.log(Level.FINE, "");
        HandleDelegate hdld;
        try {
            hdld = Utility.getHandleDelegate();
        } catch (NamingException e) {
            throw new IOException("Cannot get HandleDelegate");
        }
        hdld.writeEJBHome(getEJBHome(), out);
    }

    private void readObject(java.io.ObjectInputStream in)
    throws IOException, ClassNotFoundException {
        logger.log(Level.FINE, "");
        HandleDelegate hdld;
        try {
            hdld = Utility.getHandleDelegate();
        } catch (NamingException e) {
            throw new IOException("Cannot get HandleDelegate");
        }
        try {
            ejbHome = hdld.readEJBHome(in);
        } catch (ClassNotFoundException e) {
            logger.log(Level.SEVERE, "Cant read EJBHome:" + e);
            throw e;
        } catch (IOException e) {
            logger.log(Level.SEVERE, "Cant read EJBHome:" + e);
            throw e;
        }
    }

}

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