/*
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 2001-2002 The Apache Software Foundation.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution,
 *    if any, must include the following acknowledgment:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "Axis" and "Apache Software Foundation" must
 *    not be used to endorse or promote products derived from this
 *    software without prior written permission. For written
 *    permission, please contact apache@apache.org.
 *
 * 5. Products derived from this software may not be called "Apache",
 *    nor may "Apache" appear in their name, without prior written
 *    permission of the Apache Software Foundation.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 */

package org.jboss.axis.encoding.ser;

import org.jboss.logging.Logger;

import java.lang.reflect.Constructor;
import java.util.ArrayList;
import java.util.List;

/**
 * This is the constructor we find in startElement if the bean does not have a default constructor.
 *
 * Wraps the defered ctor and its arguments
 *
 * @author Thomas.Diesler@jboss.org
 */
public class DeferedBeanConstruction
{
   private static Logger log = Logger.getLogger(DeferedBeanConstruction.class.getName());

   private Constructor ctor;
   private List ctorArgs = new ArrayList();

   public DeferedBeanConstruction(Constructor ctor)
   {
      this.ctor = ctor;
   }

   public Constructor getConstructor()
   {
      return ctor;
   }

   public Object newBeanInstance(Object ctorArg)
   {
      try
      {
         log.debug("Add constructor argument: " + ctorArg);
         ctorArgs.add(ctorArg);

         Class[] ctorTypes = ctor.getParameterTypes();
         if (ctorTypes.length == ctorArgs.size())
         {
            log.debug("Attempt to make bean with: " + toString());
            Object bean = ctor.newInstance(ctorArgs.toArray());
            return bean;
         }
         else
         {
            log.debug("Waiting for more constructor arguments");
            return null;
         }
      }
      catch (Exception e)
      {
         throw new IllegalStateException("Cannot construct target object with: " + ctorArgs);
      }
   }

   public String toString()
   {
      return "[ctor=" + ctor + ",args=" + ctorArgs + "]";
   }
}