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/*
 * JBoss, Home of Professional Open Source.
 * Copyright 2008, 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.tm.iiop;

import org.jboss.iiop.tm.InboundTransactionCurrent;
import org.omg.CORBA.LocalObject;
import org.omg.IOP.Codec;
import org.omg.IOP.ENCODING_CDR_ENCAPS;
import org.omg.IOP.Encoding;
import org.omg.PortableInterceptor.ORBInitInfo;
import org.omg.PortableInterceptor.ORBInitializer;
import org.omg.PortableInterceptor.ORBInitInfoPackage.InvalidName;

/**
 * This is an org.omg.PortableInterceptor.ORBInitializer that
 * installs a TxServerInterceptor.
 *
 * @author  Francisco Reverbel
 * @version $Revision: 81018 $
 */
public class TxServerInterceptorInitializer
      extends LocalObject
      implements ORBInitializer 
{
   /** @since 4.0.1 */
   static final long serialVersionUID = -547674655727747575L;

   public TxServerInterceptorInitializer()
   {
      // do nothing
   }

   // org.omg.PortableInterceptor.ORBInitializer operations ---------

   public void pre_init(ORBInitInfo info)
   {
      try
      {
         // Create and register the InboundTransactionCurrent
         InboundTransactionCurrentImpl inboundTxCurrent = new InboundTransactionCurrentImpl();
         info.register_initial_reference(InboundTransactionCurrent.NAME, inboundTxCurrent);
      }
      catch(InvalidName e)
      {
         throw new RuntimeException("Could not register initial " +
            "reference for JBossInboundTransactionCurrent: " + e);
      }
   }

   public void post_init(ORBInitInfo info) 
   {
      try 
      {
         // Use CDR encapsulation with GIOP 1.0 encoding
         Encoding encoding = new Encoding(ENCODING_CDR_ENCAPS.value, 
                                          (byte)1, /* GIOP version */
                                          (byte)0  /* GIOP revision*/);
         Codec codec = info.codec_factory().create_codec(encoding);

         // Get a reference to the PICurrent
         org.omg.CORBA.Object obj = 
            info.resolve_initial_references("PICurrent");
         org.omg.PortableInterceptor.Current piCurrent = 
            org.omg.PortableInterceptor.CurrentHelper.narrow(obj);

         // Initialize the fields slot id, codec, and piCurrent 
         // in the interceptor class
         TxServerInterceptor.init(info.allocate_slot_id(), codec, piCurrent);

         // Create and register interceptor
         TxServerInterceptor interceptor = new TxServerInterceptor();
         info.add_server_request_interceptor(interceptor);
      } 
      catch (Exception e) 
      {
         throw new RuntimeException("Unexpected " + e);
      }
   }
   
}