/*
 * Copyright (c) 2001-2003 World Wide Web Consortium,
 * (Massachusetts Institute of Technology, Institut National de
 * Recherche en Informatique et en Automatique, Keio University). All
 * Rights Reserved. This program is distributed under the W3C's Software
 * Intellectual Property License. This program is distributed in the
 * hope that it will be useful, but WITHOUT ANY WARRANTY; without even
 * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
 * PURPOSE.
 * See W3C License http://www.w3.org/Consortium/Legal/ for more details.
 */

 /*
 $Log: JAXPDOMTestDocumentBuilderFactory.java,v $
 Revision 1.1  2002/02/03 07:47:51  dom-ts-4
 More missing files

 */

package org.w3c.domts;

import javax.xml.parsers.*;
import org.w3c.dom.*;
import org.w3c.domts.*;
import org.xml.sax.*;
import java.lang.reflect.*;

/**
 *   
 *   This class uses Xalan-J to add XPath support 
 *       to the current JAXP DOM implementation
 */
public class XalanDOMTestDocumentBuilderFactory
  extends JAXPDOMTestDocumentBuilderFactory {


  /**
   * Creates a JAXP implementation of DOMTestDocumentBuilderFactory.
   * @param factory null for default JAXP provider.  If not null,
   * factory will be mutated in constructor and should be released
   * by calling code upon return.
   * @param settings array of settings, may be null.
   */
  public XalanDOMTestDocumentBuilderFactory(
    DocumentBuilderFactory baseFactory,
    DocumentBuilderSetting[] settings)
    throws DOMTestIncompatibleException {
    super(baseFactory, settings);
  }

  protected DOMTestDocumentBuilderFactory createInstance(DocumentBuilderFactory newFactory,
    DocumentBuilderSetting[] mergedSettings) 
    throws DOMTestIncompatibleException {
    return new XalanDOMTestDocumentBuilderFactory(newFactory, mergedSettings);
  }


  /**
   *  Creates XPath evaluator
   *  @param doc DOM document, may not be null
   */
  public Object createXPathEvaluator(Document doc)  {
      try {
          Class xpathClass = Class.forName("org.apache.xpath.domapi.XPathEvaluatorImpl");
          Constructor constructor = xpathClass.getConstructor(new Class[] { Document.class });
          return constructor.newInstance(new Object[] { doc });
      }
      catch(Exception ex) {
      }
      return doc;
   }


}