/*
 * 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.xslt;

import org.w3c.dom.*;
import org.apache.xalan.xslt.res.XSLTErrorResources;
import org.apache.xalan.xpath.xml.XSLMessages;

/**
 * <meta name="usage" content="internal"/>
 * To be subclassed by classes that wish to fake being nodes.
 */
public class UnImplNode implements Element, NodeList
{
  public UnImplNode()
  {
  }

  /**
   * Throw an error.
   */
  void error(int msg)
  {
	  throw new RuntimeException(XSLMessages.createMessage(msg, null));
  }

  /**
   * Throw an error.
   */
  void error(int msg, Object[]args)
  {
	  throw new RuntimeException(XSLMessages.createMessage(msg, args)); //"UnImplNode error: "+msg);
  }
  
  /** Unimplemented. */
  public Node               appendChild(Node newChild)
    throws DOMException
  {
    error(XSLTErrorResources.ER_FUNCTION_NOT_SUPPORTED); //"appendChild not supported!");
    return null;
  }

  /** Unimplemented. */
  public boolean            hasChildNodes()
  {
    error(XSLTErrorResources.ER_FUNCTION_NOT_SUPPORTED); //"hasChildNodes not supported!");
    return false;
  }

  /** Unimplemented. */
  public short              getNodeType()
  {
    error(XSLTErrorResources.ER_FUNCTION_NOT_SUPPORTED); //"getNodeType not supported!");
    return 0;
  }

  /** Unimplemented. */
  public Node               getParentNode()
  {
    error(XSLTErrorResources.ER_FUNCTION_NOT_SUPPORTED); //"getParentNode not supported!");
    return null;
  }

  /** Unimplemented. */
  public NodeList           getChildNodes()
  {
    error(XSLTErrorResources.ER_FUNCTION_NOT_SUPPORTED); //"getChildNodes not supported!");
    return null;
  }

  /** Unimplemented. */
  public Node               getFirstChild()
  {
    error(XSLTErrorResources.ER_FUNCTION_NOT_SUPPORTED); //"getFirstChild not supported!");
    return null;
  }

  /** Unimplemented. */
  public Node               getLastChild()
  {
    error(XSLTErrorResources.ER_FUNCTION_NOT_SUPPORTED); //"getLastChild not supported!");
    return null;
  }

  /** Unimplemented. */
  public Node               getNextSibling()
  {
    error(XSLTErrorResources.ER_FUNCTION_NOT_SUPPORTED); //"getNextSibling not supported!");
    return null;
  }

  /** Unimplemented. */
  public int getLength()
  {
    error(XSLTErrorResources.ER_FUNCTION_NOT_SUPPORTED); //"getLength not supported!");
    return 0;
  } // getLength():int

  /** Unimplemented. */
  public Node item(int index)
  {
    error(XSLTErrorResources.ER_FUNCTION_NOT_SUPPORTED); //"item not supported!");
    return null;
  } // item(int):Node

  /** Unimplemented. */
  public Document           getOwnerDocument()
  {
    error(XSLTErrorResources.ER_FUNCTION_NOT_SUPPORTED); //"getOwnerDocument not supported!");
    return null;
  }

  /** Unimplemented. */
  public String getTagName()
  {
    error(XSLTErrorResources.ER_FUNCTION_NOT_SUPPORTED); //"getTagName not supported!");
    return null;
  }

  /** Unimplemented. */
  public String getNodeName()
  {
    error(XSLTErrorResources.ER_FUNCTION_NOT_SUPPORTED); //"getNodeName not supported!");
    return null;
  }

  /** Unimplemented. */
  public void               normalize()
  {
    error(XSLTErrorResources.ER_FUNCTION_NOT_SUPPORTED); //"normalize not supported!");
  }

  /** Unimplemented. */
  public NodeList           getElementsByTagName(String name)
  {
    error(XSLTErrorResources.ER_FUNCTION_NOT_SUPPORTED); //"getElementsByTagName not supported!");
    return null;
  }

  /** Unimplemented. */
  public Attr               removeAttributeNode(Attr oldAttr)
    throws DOMException
  {
    error(XSLTErrorResources.ER_FUNCTION_NOT_SUPPORTED); //"removeAttributeNode not supported!");
    return null;
  }

  /** Unimplemented. */
  public Attr               setAttributeNode(Attr newAttr)
    throws DOMException
  {
    error(XSLTErrorResources.ER_FUNCTION_NOT_SUPPORTED); //"setAttributeNode not supported!");
    return null;
  }

  public Attr               getAttributeNode(String name)
  {
    error(XSLTErrorResources.ER_FUNCTION_NOT_SUPPORTED); //"getAttributeNode not supported!");
    return null;
  }

  /** Unimplemented. */
  public void               removeAttribute(String name)
    throws DOMException
  {
    error(XSLTErrorResources.ER_FUNCTION_NOT_SUPPORTED); //"removeAttribute not supported!");
  }

  /** Unimplemented. */
  public void               setAttribute(String name,
                                         String value)
    throws DOMException
  {
    error(XSLTErrorResources.ER_FUNCTION_NOT_SUPPORTED); //"setAttribute not supported!");
  }

  /** Unimplemented. */
  public String             getAttribute(String name)
  {
    error(XSLTErrorResources.ER_FUNCTION_NOT_SUPPORTED); //"getAttribute not supported!");
    return null;
  }
  
  public boolean hasAttribute(String name)
  {
    error(XSLTErrorResources.ER_FUNCTION_NOT_SUPPORTED); //"hasAttribute not supported!");
    return false;
  }

  public boolean hasAttributeNS(String name, String x)
  {
    error(XSLTErrorResources.ER_FUNCTION_NOT_SUPPORTED); //"hasAttributeNS not supported!");
    return false;
  }
  
  /**
   * Introduced in DOM Level 2.
   */
  public boolean hasAttributes() 
  {
    error(XSLTErrorResources.ER_FUNCTION_NOT_SUPPORTED); //"hasAttributeNS not supported!");
    return false;
  }


  /** Unimplemented. */
  public NodeList           getElementsByTagNameNS(String namespaceURI,
                                                   String localName)
  {
    error(XSLTErrorResources.ER_FUNCTION_NOT_SUPPORTED); //"getElementsByTagNameNS not supported!");
    return null;
  }

  /** Unimplemented. */
  public Attr               setAttributeNodeNS(Attr newAttr)
    throws DOMException
  {
    error(XSLTErrorResources.ER_FUNCTION_NOT_SUPPORTED); //"setAttributeNodeNS not supported!");
    return null;
  }

  /** Unimplemented. */
  public Attr               getAttributeNodeNS(String namespaceURI,
                                               String localName)
  {
    error(XSLTErrorResources.ER_FUNCTION_NOT_SUPPORTED); //"getAttributeNodeNS not supported!");
    return null;
  }

  /** Unimplemented. */
  public void               removeAttributeNS(String namespaceURI,
                                              String localName)
    throws DOMException
  {
    error(XSLTErrorResources.ER_FUNCTION_NOT_SUPPORTED); //"removeAttributeNS not supported!");
  }

  /** Unimplemented. */
  public void               setAttributeNS(String namespaceURI,
                                           String qualifiedName,
                                           String value)
    throws DOMException
  {
    error(XSLTErrorResources.ER_FUNCTION_NOT_SUPPORTED); //"setAttributeNS not supported!");
  }

  /** Unimplemented. */
  public String             getAttributeNS(String namespaceURI,
                                           String localName)
  {
    error(XSLTErrorResources.ER_FUNCTION_NOT_SUPPORTED); //"getAttributeNS not supported!");
    return null;
  }

  /** Unimplemented. */
  public Node               getPreviousSibling()
  {
    error(XSLTErrorResources.ER_FUNCTION_NOT_SUPPORTED); //"getPreviousSibling not supported!");
    return null;
  }

  /** Unimplemented. */
  public Node               cloneNode(boolean deep)
  {
    error(XSLTErrorResources.ER_FUNCTION_NOT_SUPPORTED); //"cloneNode not supported!");
    return null;
  }

  /** Unimplemented. */
  public String             getNodeValue()
    throws DOMException
  {
    error(XSLTErrorResources.ER_FUNCTION_NOT_SUPPORTED); //"getNodeValue not supported!");
    return null;
  }

  /** Unimplemented. */
  public void               setNodeValue(String nodeValue)
    throws DOMException
  {
    error(XSLTErrorResources.ER_FUNCTION_NOT_SUPPORTED); //"setNodeValue not supported!");
  }

  /** Unimplemented. */
  public NamedNodeMap       getAttributes()
  {
    error(XSLTErrorResources.ER_FUNCTION_NOT_SUPPORTED); //"getAttributes not supported!");
    return null;
  }

  /** Unimplemented. */
  public Node               insertBefore(Node newChild,
                                         Node refChild)
    throws DOMException
  {
    error(XSLTErrorResources.ER_FUNCTION_NOT_SUPPORTED); //"insertBefore not supported!");
    return null;
  }

  /** Unimplemented. */
  public Node               replaceChild(Node newChild,
                                         Node oldChild)
    throws DOMException
  {
    error(XSLTErrorResources.ER_FUNCTION_NOT_SUPPORTED); //"replaceChild not supported!");
    return null;
  }

  /** Unimplemented. */
  public Node               removeChild(Node oldChild)
    throws DOMException
  {
    error(XSLTErrorResources.ER_FUNCTION_NOT_SUPPORTED); //"replaceChild not supported!");
    return null;
  }

  /** Unimplemented. */
  public boolean            supports(String feature,
                                     String version)
  {
    error(XSLTErrorResources.ER_FUNCTION_NOT_SUPPORTED); //"supports not supported!");
    return false;
  }

  /** Unimplemented. */
  public boolean         isSupported(String feature,
                                     String version)
  {
    error(XSLTErrorResources.ER_FUNCTION_NOT_SUPPORTED); //"supports not supported!");
    return false;
  }

  /** Unimplemented. */
  public String             getNamespaceURI()
  {
    error(XSLTErrorResources.ER_FUNCTION_NOT_SUPPORTED); //"getNamespaceURI not supported!");
    return null;
  }

  /** Unimplemented. */
  public String             getPrefix()
  {
    error(XSLTErrorResources.ER_FUNCTION_NOT_SUPPORTED); //"getPrefix not supported!");
    return null;
  }

  /** Unimplemented. */
  public void               setPrefix(String prefix)
    throws DOMException
  {
    error(XSLTErrorResources.ER_FUNCTION_NOT_SUPPORTED); //"setPrefix not supported!");
  }

  /** Unimplemented. */
  public String       getLocalName()
  {
    error(XSLTErrorResources.ER_FUNCTION_NOT_SUPPORTED); //"getLocalName not supported!");
    return null;
  }

}