/*
 * The Apache Software License, Version 1.1
 *
 *
 * Copyright (c) 2001-2003 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.jboss.axis.deployment.wsdd;

import org.jboss.axis.ConfigurationException;
import org.jboss.axis.encoding.SerializationContext;
import org.jboss.axis.utils.Messages;
import org.w3c.dom.Element;
import org.xml.sax.helpers.AttributesImpl;

import javax.xml.namespace.QName;
import java.io.IOException;
import java.util.Iterator;
import java.util.Vector;


/**
 * WSDD deployment element
 *
 * @author James Snell
 */
public class WSDDUndeployment
        extends WSDDElement
        implements WSDDTypeMappingContainer
{
   private Vector handlers = new Vector();
   private Vector chains = new Vector();
   private Vector services = new Vector();
   private Vector transports = new Vector();
   private Vector typeMappings = new Vector();

   public void addHandler(QName handler)
   {
      handlers.add(handler);
   }

   public void addChain(QName chain)
   {
      chains.add(chain);
   }

   public void addTransport(QName transport)
   {
      transports.add(transport);
   }

   public void addService(QName service)
   {
      services.add(service);
   }

   public void deployTypeMapping(WSDDTypeMapping typeMapping)
           throws WSDDException
   {
      typeMappings.add(typeMapping);
   }

   /**
    * Default constructor
    */
   public WSDDUndeployment()
   {
   }

   private QName getQName(Element el) throws WSDDException
   {
      String attr = el.getAttribute(ATTR_NAME);
      if (attr == null || "".equals(attr))
         throw new WSDDException(Messages.getMessage("badNameAttr00"));
      return new QName("", attr);
   }

   /**
    * Constructor - build an undeployment from a DOM Element.
    *
    * @param e the DOM Element to initialize from
    * @throws WSDDException if there is a problem
    */
   public WSDDUndeployment(Element e)
           throws WSDDException
   {
      super(e);

      Element[] elements = getChildElements(e, ELEM_WSDD_HANDLER);
      int i;

      for (i = 0; i < elements.length; i++)
      {
         addHandler(getQName(elements[i]));
      }

      elements = getChildElements(e, ELEM_WSDD_CHAIN);
      for (i = 0; i < elements.length; i++)
      {
         addChain(getQName(elements[i]));
      }

      elements = getChildElements(e, ELEM_WSDD_TRANSPORT);
      for (i = 0; i < elements.length; i++)
      {
         addTransport(getQName(elements[i]));
      }

      elements = getChildElements(e, ELEM_WSDD_SERVICE);
      for (i = 0; i < elements.length; i++)
      {
         addService(getQName(elements[i]));
      }

      /*
      // How to deal with undeploying mappings?

      elements = getChildElements(e, ELEM_WSDD_TYPEMAPPING);
      for (i = 0; i < elements.length; i++) {
          WSDDTypeMapping mapping = new WSDDTypeMapping(elements[i]);
          addTypeMapping(mapping);
      }

      elements = getChildElements(e, ELEM_WSDD_BEANMAPPING);
      for (i = 0; i < elements.length; i++) {
          WSDDBeanMapping mapping = new WSDDBeanMapping(elements[i]);
          addTypeMapping(mapping);
      }
      */
   }

   protected QName getElementName()
   {
      return QNAME_UNDEPLOY;
   }

   public void undeployFromRegistry(WSDDDeployment registry)
           throws ConfigurationException
   {
      QName qname;
      for (int n = 0; n < handlers.size(); n++)
      {
         qname = (QName)handlers.get(n);
         registry.undeployHandler(qname);
      }

      for (int n = 0; n < chains.size(); n++)
      {
         qname = (QName)chains.get(n);
         registry.undeployHandler(qname);
      }

      for (int n = 0; n < transports.size(); n++)
      {
         qname = (QName)transports.get(n);
         registry.undeployTransport(qname);
      }

      for (int n = 0; n < services.size(); n++)
      {
         qname = (QName)services.get(n);
         registry.undeployService(qname);
      }
   }

   private void writeElement(SerializationContext context,
                             QName elementQName,
                             QName qname)
           throws IOException
   {
      AttributesImpl attrs = new org.xml.sax.helpers.AttributesImpl();
      attrs.addAttribute("", ATTR_NAME, ATTR_NAME, "CDATA",
              context.qName2String(qname));

      context.startElement(elementQName, attrs);
      context.endElement();
   }

   public void writeToContext(SerializationContext context)
           throws IOException
   {
      context.registerPrefixForURI(NS_PREFIX_WSDD, URI_WSDD);
      context.startElement(WSDDConstants.QNAME_UNDEPLOY, null);

      Iterator i = handlers.iterator();
      QName qname;
      while (i.hasNext())
      {
         qname = (QName)i.next();
         writeElement(context, QNAME_HANDLER, qname);
      }

      i = chains.iterator();
      while (i.hasNext())
      {
         qname = (QName)i.next();
         writeElement(context, QNAME_CHAIN, qname);
      }

      i = services.iterator();
      while (i.hasNext())
      {
         qname = (QName)i.next();
         writeElement(context, QNAME_SERVICE, qname);
      }

      i = transports.iterator();
      while (i.hasNext())
      {
         qname = (QName)i.next();
         writeElement(context, QNAME_TRANSPORT, qname);
      }

      i = typeMappings.iterator();
      while (i.hasNext())
      {
         WSDDTypeMapping mapping = (WSDDTypeMapping)i.next();
         mapping.writeToContext(context);
      }

      context.endElement();
   }

   /**
    * @return XXX
    */
   public WSDDTypeMapping[] getTypeMappings()
   {
      WSDDTypeMapping[] t = new WSDDTypeMapping[typeMappings.size()];
      typeMappings.toArray(t);
      return t;
   }

}
