/*
 * The Apache Software License, Version 1.1
 *
 *
 * Copyright (c) 2002-2003 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.apache.axis.soap;

import org.apache.axis.message.DetailImpl;
import org.apache.axis.message.NameImpl;
import org.apache.axis.message.SOAPElementAxisImpl;
import org.apache.axis.utils.ClassUtils;

import javax.xml.soap.Detail;
import javax.xml.soap.Name;
import javax.xml.soap.SOAPElement;
import javax.xml.soap.SOAPException;
import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;

/**
 * SOAP Element Factory implementation
 * <p/>
 * This factory reads the following system properties for the SOAP implementation class names
 * <p/>
 * javax.xml.soap.SOAPElement
 * javax.xml.soap.Detail
 * javax.xml.soap.Name
 *
 * @author Thomas Diesler (thomas.diesler@jboss.org)
 */
public class SOAPFactoryImpl extends javax.xml.soap.SOAPFactory
{

   private static Class elementClass;
   private static Class detailClass;
   private static Class nameClass;

   static
   {
      try
      {
         String elementClass = System.getProperty(SOAPElement.class.getName(), SOAPElementAxisImpl.class.getName());
         SOAPFactoryImpl.elementClass = ClassUtils.forName(elementClass);
         String detailClass = System.getProperty(Detail.class.getName(), DetailImpl.class.getName());
         SOAPFactoryImpl.detailClass = ClassUtils.forName(detailClass);
         String nameClass = System.getProperty(Name.class.getName(), NameImpl.class.getName());
         SOAPFactoryImpl.nameClass = ClassUtils.forName(nameClass);
      }
      catch (ClassNotFoundException e)
      {
         throw new IllegalArgumentException("SOAP implementation not found: " + e.getMessage());
      }
   }

   /**
    * Create a <CODE>SOAPElement</CODE> object initialized with
    * the given <CODE>Name</CODE> object.
    *
    * @param name a <CODE>Name</CODE> object with
    *             the XML name for the new element
    * @return the new <CODE>SOAPElement</CODE> object that was
    *         created
    * @throws SOAPException if there is an error in
    *                       creating the <CODE>SOAPElement</CODE> object
    */
   public SOAPElement createElement(Name name) throws SOAPException
   {
      try
      {
         Constructor ctor = elementClass.getConstructor(new Class[]{Name.class});
         return (SOAPElement)ctor.newInstance(new Object[]{name});
      }
      catch (InvocationTargetException e)
      {
         Throwable te = e.getTargetException();
         if (te instanceof SOAPException)
            throw (SOAPException)te;
         throw new SOAPException(e);
      }
      catch (Exception e)
      {
         throw new SOAPException(e);
      }
   }

   /**
    * Create a <CODE>SOAPElement</CODE> object initialized with
    * the given local name.
    *
    * @param localName a <CODE>String</CODE> giving
    *                  the local name for the new element
    * @return the new <CODE>SOAPElement</CODE> object that was
    *         created
    * @throws SOAPException if there is an error in
    *                       creating the <CODE>SOAPElement</CODE> object
    */
   public SOAPElement createElement(String localName) throws SOAPException
   {
      try
      {
         Constructor ctor = elementClass.getConstructor(new Class[]{String.class});
         return (SOAPElement)ctor.newInstance(new Object[]{localName});
      }
      catch (InvocationTargetException e)
      {

         Throwable te = e.getTargetException();
         if (te instanceof SOAPException)
            throw (SOAPException)te;

         throw new SOAPException(te);
      }
      catch (Exception e)
      {
         throw new SOAPException(e);
      }
   }

   /**
    * Create a new <CODE>SOAPElement</CODE> object with the
    * given local name, prefix and uri.
    *
    * @param localName a <CODE>String</CODE> giving
    *                  the local name for the new element
    * @param prefix    the prefix for this <CODE>
    *                  SOAPElement</CODE>
    * @param uri       a <CODE>String</CODE> giving the
    *                  URI of the namespace to which the new element
    *                  belongs
    * @return the new <CODE>SOAPElement</CODE> object that was
    *         created
    * @throws SOAPException if there is an error in
    *                       creating the <CODE>SOAPElement</CODE> object
    */
   public SOAPElement createElement(String localName, String prefix, String uri) throws SOAPException
   {
      try
      {
         Constructor ctor = elementClass.getConstructor(new Class[]{String.class, String.class, String.class});
         return (SOAPElement)ctor.newInstance(new Object[]{localName, prefix, uri});
      }
      catch (InvocationTargetException e)
      {

         Throwable te = e.getTargetException();
         if (te instanceof SOAPException)
            throw (SOAPException)te;

         throw new SOAPException(e);
      }
      catch (Exception e)
      {
         throw new SOAPException(e);
      }
   }

   public Detail createDetail() throws SOAPException
   {
      try
      {
         return (Detail)detailClass.newInstance();
      }
      catch (Exception e)
      {

         if (e.getCause() instanceof SOAPException)
            throw (SOAPException)e.getCause();

         throw new SOAPException(e);
      }
   }

   public Name createName(String localName, String prefix, String uri) throws SOAPException
   {
      try
      {
         Constructor ctor = nameClass.getConstructor(new Class[]{String.class, String.class, String.class});
         return (Name)ctor.newInstance(new Object[]{localName, prefix, uri});
      }
      catch (InvocationTargetException e)
      {

         Throwable te = e.getTargetException();
         if (te instanceof SOAPException)
            throw (SOAPException)te;

         throw new SOAPException(e);
      }
      catch (Exception e)
      {
         throw new SOAPException(e);
      }
   }

   public Name createName(String localName) throws SOAPException
   {
      try
      {
         Constructor ctor = nameClass.getConstructor(new Class[]{String.class});
         return (Name)ctor.newInstance(new Object[]{localName});
      }
      catch (InvocationTargetException e)
      {

         Throwable te = e.getTargetException();
         if (te instanceof SOAPException)
            throw (SOAPException)te;

         throw new SOAPException(e);
      }
      catch (Exception e)
      {
         throw new SOAPException(e);
      }
   }
}
