/*
 * The contents of this file are subject to the Mozilla Public License Version 1.1
 * (the "License"); you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at <http://www.mozilla.org/MPL/>.
 * 
 * Software distributed under the License is distributed on an "AS IS" basis, WITHOUT
 * WARRANTY OF ANY KIND, either express or implied. See the License for the specific
 * language governing rights and limitations under the License.
 * 
 * The Original Code is the Venice Web Communities System.
 * 
 * The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
 * for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
 * Copyright (C) 2002-03 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
 * 
 * Contributor(s): 
 */
package com.silverwrist.dynamo.xmlrpc;

import java.io.*;
import com.silverwrist.dynamo.HttpStatusCode;
import com.silverwrist.dynamo.except.*;
import com.silverwrist.dynamo.iface.*;

public class XmlRpcResult implements SelfRenderable, XmlRpcSelfSerializing
{
  /*--------------------------------------------------------------------------------
   * Attributes
   *--------------------------------------------------------------------------------
   */

  private Object m_obj;

  /*--------------------------------------------------------------------------------
   * Constructor
   *--------------------------------------------------------------------------------
   */

  public XmlRpcResult(Object obj)
  {
    m_obj = obj;

  } // end constructor

  /*--------------------------------------------------------------------------------
   * Implementations from interface SelfRenderable
   *--------------------------------------------------------------------------------
   */

  public void render(SelfRenderControl control) throws IOException, RenderingException
  {
    // Serialize the output value to a StringWriter.
    StringWriter wr = new StringWriter();
    wr.write("<methodResponse><params><param>\r\n<value>");
    XmlRpcSerializer.get().serialize(wr,m_obj);
    wr.write("</value>\r\n</param></params></methodResponse>\r\n");

    // Now render the binary equivalent of this structure.
    byte[] data = null;
    try
    { // get a complete rendering of this data
      data = wr.toString().getBytes("UTF-8");

    } // end try
    catch (UnsupportedEncodingException e)
    { // WTF?  shouldn't happen
      data = wr.toString().getBytes();

    } // end catch

    // send out the bytes as an XML message body
    control.status(HttpStatusCode.S_OK);
    BinaryRenderControl bctrl = control.getBinaryRender();
    bctrl.setContentType("text/xml; charset=UTF-8");
    bctrl.setContentLength(data.length);
    OutputStream stm = bctrl.getStream();
    stm.write(data);
    stm.flush();
    
  } // end render

  /*--------------------------------------------------------------------------------
   * Implementations from interface XmlRpcSelfSerializing
   *--------------------------------------------------------------------------------
   */

  public void serializeXmlRpc(Writer wr) throws IOException
  {
    XmlRpcSerializer.get().serialize(wr,m_obj);

  } // end serializeXmlRpc

} // end class XmlRpcResult