dtmnodeproxy.java

来自「java jdk 1.4的源码」· Java 代码 · 共 1,381 行 · 第 1/3 页

  public boolean hasAttribute(String name)
  {
    return DTM.NULL != dtm.getAttributeNode(node,null,name);
  }

  /**
   * Method hasAttributeNS
   *
   *
   * @param name
   * @param x
   *
   * (hasAttributeNS) @return
   */
  public boolean hasAttributeNS(String name, String x)
  {
    return DTM.NULL != dtm.getAttributeNode(node,x,name);
  }

  /**
   *
   * @return
   * @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
   *
   * @return
   *
   * @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
   *
   * @return
   *
   * @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
   *
   * @return
   *
   * @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
   *
   * @return
   *
   * @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);
  }

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

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

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

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

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

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

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

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

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

  /**
   *
   * @param tagname
   *
   * @return
   * @see org.w3c.dom.Document
   */
  public final NodeList getElementsByTagName(String tagname)
  {
    throw new DTMDOMException(DOMException.NOT_SUPPORTED_ERR);
  }

  /**
   *
   * @param importedNode
   * @param deep
   *
   * @return
   *
   * @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
   *
   * @return
   *
   * @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
   *
   * @return
   *
   * @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
   *
   * @return
   * @see org.w3c.dom.Document as of DOM Level 2
   */
  public final NodeList getElementsByTagNameNS(String namespaceURI,
                                               String localName)
  {
    throw new DTMDOMException(DOMException.NOT_SUPPORTED_ERR);
  }

  /**
   *
   * @param elementId
   *
   * @return
   * @see org.w3c.dom.Document as of DOM Level 2
   */
  public final Element getElementById(String elementId)
  {
    throw new DTMDOMException(DOMException.NOT_SUPPORTED_ERR);
  }

  /**
   *
   * @param offset
   *
   * @return
   *
   * @throws DOMException
   * @see org.w3c.dom.Text
   */
  public final Text splitText(int offset) throws DOMException
  {
    throw new DTMDOMException(DOMException.NOT_SUPPORTED_ERR);
  }

  /**
   *
   * @return
   *
   * @throws DOMException
   * @see org.w3c.dom.CharacterData
   */
  public final String getData() throws DOMException
  {
    return dtm.getNodeValue(node);
  }

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

  /**
   *
   * @return
   * @see org.w3c.dom.CharacterData
   */
  public final int getLength()
  {
    // %OPT% This should do something smarter?
    return dtm.getNodeValue(node).length();
  }

  /**
   *
   * @param offset
   * @param count
   *
   * @return
   *
   * @throws DOMException
   * @see org.w3c.dom.CharacterData
   */
  public final String substringData(int offset, int count) throws DOMException
  {
    return getData().substring(offset,offset+count);
  }

  /**
   *
   * @param arg
   *
   * @throws DOMException
   * @see org.w3c.dom.CharacterData
   */
  public final void appendData(String arg) throws DOMException
  {
    throw new DTMDOMException(DOMException.NOT_SUPPORTED_ERR);
  }

  /**
   *
   * @param offset
   * @param arg
   *
   * @throws DOMException
   * @see org.w3c.dom.CharacterData
   */
  public final void insertData(int offset, String arg) throws DOMException
  {
    throw new DTMDOMException(DOMException.NOT_SUPPORTED_ERR);
  }

  /**