/*
 * The Apache Software License, Version 1.1
 *
 *
 * Copyright (c) 1999 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 "Xalan" 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 and was
 * originally based on software copyright (c) 1999, Lotus
 * Development Corporation., http://www.lotus.com.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 */
package org.apache.xalan.processor;

import java.io.IOException;

import org.xml.sax.InputSource;
import org.xml.sax.helpers.XMLReaderFactory;
import org.xml.sax.XMLReader;
import javax.xml.transform.TransformerException;

import org.w3c.dom.Node;

import javax.xml.transform.TransformerFactory;
import javax.xml.transform.TransformerConfigurationException;
import javax.xml.transform.Templates;
import javax.xml.transform.sax.TemplatesHandler;

/**
 * The TransformerFactoryImpl, which implements the TRaX TransformerFactory
 * interface, processes XSLT Stylesheets into a Templates object.
 * This version has been modified to kick off conversion to JAVA,
 * via CompilingStylesheetHandler
 */
public class CompilingStylesheetProcessor extends TransformerFactoryImpl
{

  /**
   * Get a TemplatesBuilder object that can process SAX
   * events into a Templates object, if the processor supports the
   * "http://xml.org/trax/features/sax/input" feature.
   *
   * <h3>Open issues:</h3>
   * <dl>
   *    <dt><h4>Should TransformerFactory derive from org.xml.sax.ContentHandler?</h4></dt>
   *    <dd>Instead of requesting an object from the TransformerFactory class, should
   *        the TransformerFactory class simply derive from org.xml.sax.ContentHandler?</dd>
   * </dl>
   * @return A TemplatesBuilder object, or null if not supported.
   * @throws May throw a TransformerConfigurationException if a StylesheetHandler can
   * not be constructed for some reason.
   *
   * @throws TransformerConfigurationException
   */
  public TemplatesHandler newTemplatesHandler() throws TransformerConfigurationException
  {
    return new CompilingStylesheetHandler(this);
  }
}