/*
    PCS - A Framework For Java Web Applications
    Copyright (C) 2002 Patrick Carl, patrick.carl@web.de
 
    This library 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 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
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
 
    $Id: XmlProducerFactory.java,v 1.1.1.1 2002/12/27 23:49:49 pcs_org Exp $
 
 */
package de.spieleck.pcs.xml;

import de.spieleck.pcs.factory.DefaultFactory;
import de.spieleck.pcs.factory.FactoryException;

/**
 * This class extends a DefaultFactory. It knows that it wants to use 
 * the config file at /conf/xmlproducer.properties and creates XmlProducers 
 * only
 * @author Patrick Carl
 */
public class XmlProducerFactory extends DefaultFactory{
    
      protected String configFile = "/conf/xmlproducer.properties";
      
      /**
       * factory method for creating objects. The class of the Objects is 
       * look upped in the configuration file.<br>
       * Throws an Exception if the constructed object is not an 
       * XmlProducer
       */
      public Object getNewObject(String key) throws FactoryException{
          Object o = super.getNewObject(key);
          if(!(o instanceof XmlProducer)){
            throw new FactoryException("Object connected to key " + key +
             " is not an XmlProducer. Check your configuration.");
          }
          return o;
      }
}