package org.jacorb.transport;
/*
* JacORB - a free Java ORB
*
* Copyright (C) 1997-2004 Gerald Brose.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
import org.jacorb.config.*;
import org.slf4j.Logger;
import org.jacorb.orb.ORB;
import org.omg.CORBA.LocalObject;
import org.omg.PortableInterceptor.ORBInitInfo;
import org.omg.PortableInterceptor.ORBInitializer;
import org.omg.PortableInterceptor.ORBInitInfoPackage.InvalidName;
/**
* An instance of this class plugs-in the ORB initialization mechanism to make
* sure the infrastructure the Transport Current feature is using, is properly
* initialized. The initialization does:
*
* <ul>
* <li>Registers an initial reference under the getName() name;</li>
* <li>Registers a TransportListener with the ORB's Transport Manager to be
* able to receive notifications of Transport selection;</li>
* </ul>
*
*
* @author Iliyan Jeliazkov
*/
public abstract class AbstractTransportCurrentInitializer extends LocalObject implements ORBInitializer
{
protected Logger logger_;
protected abstract String getName();
protected abstract DefaultCurrentImpl getCurrentImpl();
public final void pre_init(ORBInitInfo info)
{
ORB orb = ((org.jacorb.orb.portableInterceptor.ORBInitInfoImpl) info).getORB ();
logger_ = orb.getConfiguration().getLogger("jacorb.transport");
DefaultCurrentImpl impl = getCurrentImpl();
try {
impl.configure(orb.getConfiguration ());
info.register_initial_reference (getName(), impl);
logger_.info ("Registered initial reference \""+getName ()+"\" for "+impl.getClass().getName());
}
catch (ConfigurationException e) {
e.printStackTrace ();
}
catch (InvalidName e) {
e.printStackTrace ();
}
// Chain-in our implementation as a listener to the Transport events
orb.getTransportManager ().addTransportListener (impl);
}
public final void post_init(ORBInitInfo info) {
/* empty */
}
}