JacORBPRODelegate.java

package org.objectweb.jonas_lib.naming;

import java.rmi.Remote;
import java.rmi.RemoteException;

import javax.rmi.CORBA.Tie;
import javax.rmi.CORBA.Util;

import org.jacorb.poa.RequestProcessor;
import org.omg.PortableServer.Servant;

import org.objectweb.carol.jndi.spi.JacORBIIOPContext;

import org.objectweb.jonas_ejb.container.JHome;
import org.objectweb.jonas_ejb.container.JRemote;

public class JacORBPRODelegate extends org.objectweb.carol.rmi.multi.JacORBPRODelegate {


    public void exportObject(Remote obj) throws RemoteException {

        // For JacORB, we need first to unexport object as it is not associated
        // to an ORB
        try {
            unexportObject(obj);
        } catch (Exception eee) {
            // Nothing
        }

        /* Now export it */
        try {
            super.exportObject(obj);
        } catch (Exception ee) {
            // Nothing
        }


        // Connect all EJB Home and Remote interfaces, and objectweb components (JOTM, JORAM, ...)
        if (obj instanceof JHome || obj instanceof JRemote || obj.getClass().getName().indexOf("org.objectweb") != -1) {

            Tie theTie = Util.getTie(obj);

            // Then connect it to the ORB
            if (theTie != null) {
                theTie.orb(JacORBIIOPContext.getOrb());
            }
        }



    }

    public Object narrow(Object narrowFrom, Class narrowTo) throws ClassCastException {
        // Save old classloader
        ClassLoader old = Thread.currentThread().getContextClassLoader();

        try {
            // Try to get EJB classloader
            Thread currentThread = Thread.currentThread();
            if (currentThread != null && (currentThread instanceof RequestProcessor)) {
                RequestProcessor rp = (RequestProcessor) currentThread;
                if (rp != null) {
                    Servant servant = rp.getServant();
                    if (servant != null) {
                        Tie tie = null;
                        if (servant instanceof Tie) {
                            tie = (Tie) servant;
                            Remote target = tie.getTarget();
                            if (target instanceof JHome) {
                                JHome jHome = (JHome) target;
                                ClassLoader cll = jHome.getBf().myClassLoader();
                                Thread.currentThread().setContextClassLoader(cll);
                            } else if (target instanceof JRemote) {
                                JRemote jRemote = (JRemote) target;
                                ClassLoader cll = jRemote.getBf().myClassLoader();
                                Thread.currentThread().setContextClassLoader(cll);
                            }
                        }
                    }
                }
            }
        } catch (Exception e) {
            // nothing
        } catch (Error e) {
            // nothing
        }

        // Call super method with right classloader
        Object narrowResult = null;
        try {
            narrowResult = super.narrow(narrowFrom, narrowTo);
        } finally {
            // reset to old classloader
            Thread.currentThread().setContextClassLoader(old);
        }

        return narrowResult;
    }

}

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