/*

  * Copyright (C) The Apache Software Foundation. All rights reserved.

  *

  * This software is published under the terms of the Apache Software License

  * version 1.1, a copy of which has been included with this distribution in

  * the LICENSE file.

  * 

  * $Id: MessengerDigester.java 155459 2005-02-26 13:24:44Z dirkv $

  */

 package org.apache.commons.messenger;

 import org.apache.commons.digester.Digester;

 /** <p><code>MessengerDigester</code> is a digester of Messenger objects so 

   * that JMS Messengers can be created from an XML config file.</p>

   *

   * @author <a href="mailto:jstrachan@apache.org">James Strachan</a>

   * @version $Revision: 155459 $

   */

 public class MessengerDigester extends Digester {

     // default implementation classes

     private String messengerManagerClass = "org.apache.commons.messenger.MessengerManager";

     private String messengerClass = "org.apache.commons.messenger.DefaultMessenger";

     private String xaMessengerClass = "org.apache.commons.messenger.XAMessenger";

     private String sessionFactory = "org.apache.commons.messenger.SessionFactory";

     private String connectionFactory = "org.apache.commons.messenger.DummyConnectionFactory";

     private String jndiSessionFactory = "org.apache.commons.messenger.JNDISessionFactory";

     public MessengerDigester() {

     }

     // Implementation methods

     //-------------------------------------------------------------------------    

     /** Configure the parsing rules that will be used to process 

      * the cache config file

      */

     protected void configure() {

         if (configured) {

             return;

         }

         else {

             configured = true;

         }

         addObjectCreate( "manager", messengerManagerClass, "className" );

         addSetProperties( "manager" );

                 String path = "manager/messenger";    

         addObjectCreate( path, messengerClass, "className" );

         addSetProperties( path );

         addSetNext( path, "addMessenger",

            "org.apache.commons.messenger.Messenger"

         );        

                 addMessengerPaths(path);

                 path = "manager/xaMessenger";    

         addObjectCreate( path, xaMessengerClass, "className" );

         addSetProperties( path );

         addSetNext( path, "addMessenger",

            "org.apache.commons.messenger.Messenger"

         );        

                 addMessengerPaths(path);

     }

     protected void addMessengerPaths(String root) {

                 String path = root + "/factory";        

         addObjectCreate( path, sessionFactory, "className" );

         addSetProperties( path );

         addSetNext( path, "setSessionFactory",

            "org.apache.commons.messenger.SessionFactory"

         );

         addCallMethod( path + "/property", "addProperty", 2);

         addCallParam( path + "/property/name", 0 );

         addCallParam( path + "/property/value", 1 );

         path = root + "/factory/connectionFactory";       

         addObjectCreate( path, connectionFactory, "className" );

         addSetProperties( path );

         addSetNext( path, "setConnectionFactory",

            "javax.jms.ConnectionFactory"

         );

         path = root + "/jndi";        

         addObjectCreate( path, jndiSessionFactory, "className" );

         addSetProperties( path );

         addSetNext( path, "setSessionFactory",

            "org.apache.commons.messenger.SessionFactory"

         );

         addCallMethod( path + "/property", "addProperty", 2);

         addCallParam( path + "/property/name", 0 );

         addCallParam( path + "/property/value", 1 );

     }

 }