dtmnodeproxy.java

来自「JAVA的一些源码 JAVA2 STANDARD EDITION DEVELO」· Java 代码 · 共 2,167 行 · 第 1/4 页

  /**
   *
   * @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);
  }

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

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

  /**
   *
   * @return
   * @see org.w3c.dom.Element
   */
  public final String getTagName()
  {
    return dtm.getNodeName(node);
  }

  /**
   *
   * @param name
   *
   * @return
   * @see org.w3c.dom.Element
   */
  public final String getAttribute(String name)
  {

    DTMNamedNodeMap  map = new DTMNamedNodeMap(dtm, node);
    Node node = map.getNamedItem(name);
    return (null == node) ? null : node.getNodeValue();
  }

  /**
   *
   * @param name
   * @param value
   *
   * @throws DOMException
   * @see org.w3c.dom.Element
   */
  public final void setAttribute(String name, String value)
    throws DOMException
  {
    throw new DTMDOMException(DOMException.NOT_SUPPORTED_ERR);
  }

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

  /**
   *
   * @param name
   *
   * @return
   * @see org.w3c.dom.Element
   */
  public final Attr getAttributeNode(String name)
  {

    DTMNamedNodeMap  map = new DTMNamedNodeMap(dtm, node);
    return (Attr)map.getNamedItem(name);
  }

  /**
   *
   * @param newAttr
   *
   * @return
   *
   * @throws DOMException
   * @see org.w3c.dom.Element
   */
  public final Attr setAttributeNode(Attr newAttr) throws DOMException
  {
    throw new DTMDOMException(DOMException.NOT_SUPPORTED_ERR);
  }

  /**
   *
   * @param oldAttr
   *
   * @return
   *
   * @throws DOMException
   * @see org.w3c.dom.Element
   */
  public final Attr removeAttributeNode(Attr oldAttr) throws DOMException
  {
    throw new DTMDOMException(DOMException.NOT_SUPPORTED_ERR);
  }

  /**
   * Introduced in DOM Level 2.
   *
   * @return
   */
  public boolean hasAttributes()
  {
    return DTM.NULL != dtm.getFirstAttribute(node);
  }

  /** @see org.w3c.dom.Element */
  public final void normalize()
  {
    throw new DTMDOMException(DOMException.NOT_SUPPORTED_ERR);
  }

  /**
   *
   * @param namespaceURI
   * @param localName
   *
   * @return
   * @see org.w3c.dom.Element
   */
  public final String getAttributeNS(String namespaceURI, String localName)
  {
    DTMNamedNodeMap  map = new DTMNamedNodeMap(dtm, node);
    Node node = map.getNamedItemNS(namespaceURI,localName);
    return (null == node) ? null : node.getNodeValue();
  }

  /**
   *
   * @param namespaceURI
   * @param qualifiedName
   * @param value
   *
   * @throws DOMException
   * @see org.w3c.dom.Element
   */
  public final void setAttributeNS(
                                   String namespaceURI, String qualifiedName, String value)
    throws DOMException
  {
    throw new DTMDOMException(DOMException.NOT_SUPPORTED_ERR);
  }

  /**
   *
   * @param namespaceURI
   * @param localName
   *
   * @throws DOMException
   * @see org.w3c.dom.Element
   */
  public final void removeAttributeNS(String namespaceURI, String localName)
    throws DOMException
  {
    throw new DTMDOMException(DOMException.NOT_SUPPORTED_ERR);
  }