dtmnodeproxy.java

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  }

  /**
   *
   * 
   * @see org.w3c.dom.Node
   */
  public final Document getOwnerDocument()
  {
  	// Note that this uses the DOM-compatable version of the call
	return (Document)(dtm.getNode(dtm.getOwnerDocument(node)));
  }

  /**
   *
   * @param newChild
   * @param refChild
   *
   * 
   *
   * @throws DOMException
   * @see org.w3c.dom.Node -- DTMNodeProxy is read-only
   */
  public final Node insertBefore(Node newChild, Node refChild)
    throws DOMException
  {
    throw new DTMDOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR);
  }

  /**
   *
   * @param newChild
   * @param oldChild
   *
   * 
   *
   * @throws DOMException
   * @see org.w3c.dom.Node -- DTMNodeProxy is read-only
   */
  public final Node replaceChild(Node newChild, Node oldChild)
    throws DOMException
  {
    throw new DTMDOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR);
  }

  /**
   *
   * @param oldChild
   *
   * 
   *
   * @throws DOMException
   * @see org.w3c.dom.Node -- DTMNodeProxy is read-only
   */
  public final Node removeChild(Node oldChild) throws DOMException
  {
    throw new DTMDOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR);
  }

  /**
   *
   * @param newChild
   *
   * 
   *
   * @throws DOMException
   * @see org.w3c.dom.Node -- DTMNodeProxy is read-only
   */
  public final Node appendChild(Node newChild) throws DOMException
  {
    throw new DTMDOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR);
  }

  /**
   *
   * 
   * @see org.w3c.dom.Node
   */
  public final boolean hasChildNodes()
  {
    return (DTM.NULL != dtm.getFirstChild(node));
  }

  /**
   *
   * @param deep
   *
   * 
   * @see org.w3c.dom.Node -- DTMNodeProxy is read-only
   */
  public final Node cloneNode(boolean deep)
  {
    throw new DTMDOMException(DOMException.NOT_SUPPORTED_ERR);
  }

  /**
   *
   * 
   * @see org.w3c.dom.Document
   */
  public final DocumentType getDoctype()
  {
    return null;
  }

  /**
   *
   * 
   * @see org.w3c.dom.Document
   */
  public final DOMImplementation getImplementation()
  {
    return implementation;
  }

  /** This is a bit of a problem in DTM, since a DTM may be a Document
   * Fragment and hence not have a clear-cut Document Element. We can
   * make it work in the well-formed cases but would that be confusing for others?
   * 
   * 
   * @see org.w3c.dom.Document
   */
  public final Element getDocumentElement()
  {
		int dochandle=dtm.getDocument();
		int elementhandle=DTM.NULL;
		for(int kidhandle=dtm.getFirstChild(dochandle);
				kidhandle!=DTM.NULL;
				kidhandle=dtm.getNextSibling(kidhandle))
		{
			switch(dtm.getNodeType(kidhandle))
			{
			case Node.ELEMENT_NODE:
				if(elementhandle!=DTM.NULL) 
				{
					elementhandle=DTM.NULL; // More than one; ill-formed.
					kidhandle=dtm.getLastChild(dochandle); // End loop
				}
				else
					elementhandle=kidhandle;
				break;
				
			// These are harmless; document is still wellformed
			case Node.COMMENT_NODE:
			case Node.PROCESSING_INSTRUCTION_NODE:
			case Node.DOCUMENT_TYPE_NODE:
				break;
					
			default:
				elementhandle=DTM.NULL; // ill-formed
				kidhandle=dtm.getLastChild(dochandle); // End loop
				break;
			}
		}
		if(elementhandle==DTM.NULL)
			throw new DTMDOMException(DOMException.NOT_SUPPORTED_ERR);
		else
			return (Element)(dtm.getNode(elementhandle));
  }

  /**
   *
   * @param tagName
   *
   * 
   *
   * @throws DOMException
   * @see org.w3c.dom.Document
   */
  public final Element createElement(String tagName) throws DOMException
  {
    throw new DTMDOMException(DOMException.NOT_SUPPORTED_ERR);
  }

  /**
   *
   * 
   * @see org.w3c.dom.Document
   */
  public final DocumentFragment createDocumentFragment()
  {
    throw new DTMDOMException(DOMException.NOT_SUPPORTED_ERR);
  }

  /**
   *
   * @param data
   *
   * 
   * @see org.w3c.dom.Document
   */
  public final Text createTextNode(String data)
  {
    throw new DTMDOMException(DOMException.NOT_SUPPORTED_ERR);
  }

  /**
   *
   * @param data
   *
   * 
   * @see org.w3c.dom.Document
   */
  public final Comment createComment(String data)
  {
    throw new DTMDOMException(DOMException.NOT_SUPPORTED_ERR);
  }

  /**
   *
   * @param data
   *
   * 
   *
   * @throws DOMException
   * @see org.w3c.dom.Document
   */
  public final CDATASection createCDATASection(String data)
    throws DOMException
  {
    throw new DTMDOMException(DOMException.NOT_SUPPORTED_ERR);
  }

  /**
   *
   * @param target
   * @param data
   *
   * 
   *
   * @throws DOMException
   * @see org.w3c.dom.Document
   */
  public final ProcessingInstruction createProcessingInstruction(
                                                                 String target, String data) throws DOMException
  {
    throw new DTMDOMException(DOMException.NOT_SUPPORTED_ERR);
  }

  /**
   *
   * @param name
   *
   * 
   *
   * @throws DOMException
   * @see org.w3c.dom.Document
   */
  public final Attr createAttribute(String name) throws DOMException
  {
    throw new DTMDOMException(DOMException.NOT_SUPPORTED_ERR);
  }

  /**
   *
   * @param name
   *
   * 
   *
   * @throws DOMException
   * @see org.w3c.dom.Document
   */
  public final EntityReference createEntityReference(String name)
    throws DOMException
  {
    throw new DTMDOMException(DOMException.NOT_SUPPORTED_ERR);
  }
 /**
   *
   * @param tagname
   *
   *
   * @see org.w3c.dom.Document
   */
  public final NodeList getElementsByTagName(String tagname) 
  {
       Vector listVector = new Vector();
       Node retNode = dtm.getNode(node);
       if (retNode != null) 
       {
         boolean isTagNameWildCard = "*".equals(tagname);
         if (DTM.ELEMENT_NODE == retNode.getNodeType()) 
         {
           NodeList nodeList = retNode.getChildNodes();
           for (int i = 0; i < nodeList.getLength(); i++) 
           {
             traverseChildren(listVector, nodeList.item(i), tagname,
                              isTagNameWildCard);
           }
         } else if (DTM.DOCUMENT_NODE == retNode.getNodeType()) {
           traverseChildren(listVector, dtm.getNode(node), tagname,
                            isTagNameWildCard);
         }
       }
       int size = listVector.size();
       NodeSet nodeSet = new NodeSet(size);
       for (int i = 0; i < size; i++) 
       {
         nodeSet.addNode((Node) listVector.elementAt(i));
       }
       return (NodeList) nodeSet;
  }
  
  /**
   * 
   * @param listVector
   * @param tempNode
   * @param tagname
   * @param isTagNameWildCard
   * 
   * 
   * Private method to be used for recursive iterations to obtain elements by tag name.
   */
  private final void traverseChildren
  (
    Vector listVector,
    Node tempNode,
    String tagname,
    boolean isTagNameWildCard) {
    if (tempNode == null) 
    {
      return;
    } 
    else
    { 
      if (tempNode.getNodeType() == DTM.ELEMENT_NODE
            && (isTagNameWildCard || tempNode.getNodeName().equals(tagname)))
      {
        listVector.add(tempNode);
      }
      if(tempNode.hasChildNodes())
      {
        NodeList nodeList = tempNode.getChildNodes();
        for (int i = 0; i < nodeList.getLength(); i++)
        {
          traverseChildren(listVector, nodeList.item(i), tagname,
                           isTagNameWildCard);
        }
      }
    }
  }



  /**
   *
   * @param importedNode
   * @param deep
   *
   * 
   *
   * @throws DOMException
   * @see org.w3c.dom.Document as of DOM Level 2 -- DTMNodeProxy is read-only
   */
  public final Node importNode(Node importedNode, boolean deep)
    throws DOMException
  {
    throw new DTMDOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR);
  }

  /**
   *
   * @param namespaceURI
   * @param qualifiedName
   *
   * 
   *
   * @throws DOMException
   * @see org.w3c.dom.Document as of DOM Level 2
   */
  public final Element createElementNS(
                                       String namespaceURI, String qualifiedName) throws DOMException
  {
    throw new DTMDOMException(DOMException.NOT_SUPPORTED_ERR);
  }

  /**
   *
   * @param namespaceURI
   * @param qualifiedName
   *
   * 
   *
   * @throws DOMException
   * @see org.w3c.dom.Document as of DOM Level 2
   */
  public final Attr createAttributeNS(
                                      String namespaceURI, String qualifiedName) throws DOMException
  {
    throw new DTMDOMException(DOMException.NOT_SUPPORTED_ERR);
  }

   /**
   *
   * @param namespaceURI
   * @param localName
   *
   *
   * @see org.w3c.dom.Document as of DOM Level 2
   */
  public final NodeList getElementsByTagNameNS(String namespaceURI,
                                               String localName)
  {
    Vector listVector = new Vector();
    Node retNode = dtm.getNode(node);
    if (retNode != null)
    {               
      boolean isNamespaceURIWildCard = "*".equals(namespaceURI);
      boolean isLocalNameWildCard    = "*".equals(localName);
      if (DTM.ELEMENT_NODE == retNode.getNodeType())
      {
        NodeList nodeList = retNode.getChildNodes();                    
        for(int i = 0; i < nodeList.getLength(); i++)
        {
          traverseChildren(listVector, nodeList.item(i), namespaceURI, localName, isNamespaceURIWildCard, isLocalNameWildCard);
        }
      }
      else if(DTM.DOCUMENT_NODE == retNode.getNodeType())
      {
        traverseChildren(listVector, dtm.getNode(node), namespaceURI, localName, isNamespaceURIWildCard, isLocalNameWildCard);
      }
    }
    int size = listVector.size();
    NodeSet nodeSet = new NodeSet(size);
    for (int i = 0; i < size; i++)
    {
      nodeSet.addNode((Node)listVector.elementAt(i));
    }
    return (NodeList) nodeSet;
  }
  /**
   * 
   * @param listVector
   * @param tempNode
   * @param namespaceURI
   * @param localname
   * @param isNamespaceURIWildCard
   * @param isLocalNameWildCard
   * 
   * Private method to be used for recursive iterations to obtain elements by tag name 
   * and namespaceURI.
   */
  private final void traverseChildren
  (
   Vector listVector, 
   Node tempNode, 
   String namespaceURI, 
   String localname,
   boolean isNamespaceURIWildCard,
   boolean isLocalNameWildCard) 
   {
    if (tempNode == null)
    {
      return;
    }
    else 
    {
      if (tempNode.getNodeType() == DTM.ELEMENT_NODE
              && (isLocalNameWildCard
                      || tempNode.getLocalName().equals(localname)))
      {         
        String nsURI = tempNode.getNamespaceURI();
        if ((namespaceURI == null && nsURI == null)