transformeridentityimpl.java

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  {
    flushStartDoc();
    m_resultContentHandler.characters(ch, start, length);
  }

  /**
   * Receive notification of ignorable whitespace in element content.
   *
   * <p>By default, do nothing.  Application writers may override this
   * method to take specific actions for each chunk of ignorable
   * whitespace (such as adding data to a node or buffer, or printing
   * it to a file).</p>
   *
   * @param ch The whitespace characters.
   * @param start The start position in the character array.
   * @param length The number of characters to use from the
   *               character array.
   * @throws org.xml.sax.SAXException Any SAX exception, possibly
   *            wrapping another exception.
   * @see org.xml.sax.ContentHandler#ignorableWhitespace
   *
   * @throws SAXException
   */
  public void ignorableWhitespace(char ch[], int start, int length)
          throws SAXException
  {
    m_resultContentHandler.ignorableWhitespace(ch, start, length);
  }

  /**
   * Receive notification of a processing instruction.
   *
   * <p>By default, do nothing.  Application writers may override this
   * method in a subclass to take specific actions for each
   * processing instruction, such as setting status variables or
   * invoking other methods.</p>
   *
   * @param target The processing instruction target.
   * @param data The processing instruction data, or null if
   *             none is supplied.
   * @throws org.xml.sax.SAXException Any SAX exception, possibly
   *            wrapping another exception.
   * @see org.xml.sax.ContentHandler#processingInstruction
   *
   * @throws SAXException
   */
  public void processingInstruction(String target, String data)
          throws SAXException
  {
    flushStartDoc();
    m_resultContentHandler.processingInstruction(target, data);
  }

  /**
   * Receive notification of a skipped entity.
   *
   * <p>By default, do nothing.  Application writers may override this
   * method in a subclass to take specific actions for each
   * processing instruction, such as setting status variables or
   * invoking other methods.</p>
   *
   * @param name The name of the skipped entity.
   * @throws org.xml.sax.SAXException Any SAX exception, possibly
   *            wrapping another exception.
   * @see org.xml.sax.ContentHandler#processingInstruction
   *
   * @throws SAXException
   */
  public void skippedEntity(String name) throws SAXException
  {
    flushStartDoc();
    m_resultContentHandler.skippedEntity(name);
  }

  /**
   * Report the start of DTD declarations, if any.
   *
   * <p>Any declarations are assumed to be in the internal subset
   * unless otherwise indicated by a {@link #startEntity startEntity}
   * event.</p>
   *
   * <p>Note that the start/endDTD events will appear within
   * the start/endDocument events from ContentHandler and
   * before the first startElement event.</p>
   *
   * @param name The document type name.
   * @param publicId The declared public identifier for the
   *        external DTD subset, or null if none was declared.
   * @param systemId The declared system identifier for the
   *        external DTD subset, or null if none was declared.
   * @throws SAXException The application may raise an
   *            exception.
   * @see #endDTD
   * @see #startEntity
   */
  public void startDTD(String name, String publicId, String systemId)
          throws SAXException
  {
    flushStartDoc();
    if (null != m_resultLexicalHandler)
      m_resultLexicalHandler.startDTD(name, publicId, systemId);
  }

  /**
   * Report the end of DTD declarations.
   *
   * @throws SAXException The application may raise an exception.
   * @see #startDTD
   */
  public void endDTD() throws SAXException
  {
    if (null != m_resultLexicalHandler)
      m_resultLexicalHandler.endDTD();
  }

  /**
   * Report the beginning of an entity in content.
   *
   * <p><strong>NOTE:</entity> entity references in attribute
   * values -- and the start and end of the document entity --
   * are never reported.</p>
   *
   * <p>The start and end of the external DTD subset are reported
   * using the pseudo-name "[dtd]".  All other events must be
   * properly nested within start/end entity events.</p>
   *
   * <p>Note that skipped entities will be reported through the
   * {@link org.xml.sax.ContentHandler#skippedEntity skippedEntity}
   * event, which is part of the ContentHandler interface.</p>
   *
   * @param name The name of the entity.  If it is a parameter
   *        entity, the name will begin with '%'.
   * @throws SAXException The application may raise an exception.
   * @see #endEntity
   * @see org.xml.sax.ext.DeclHandler#internalEntityDecl
   * @see org.xml.sax.ext.DeclHandler#externalEntityDecl
   */
  public void startEntity(String name) throws SAXException
  {
    if (null != m_resultLexicalHandler)
      m_resultLexicalHandler.startEntity(name);
  }

  /**
   * Report the end of an entity.
   *
   * @param name The name of the entity that is ending.
   * @throws SAXException The application may raise an exception.
   * @see #startEntity
   */
  public void endEntity(String name) throws SAXException
  {
    if (null != m_resultLexicalHandler)
      m_resultLexicalHandler.endEntity(name);
  }

  /**
   * Report the start of a CDATA section.
   *
   * <p>The contents of the CDATA section will be reported through
   * the regular {@link org.xml.sax.ContentHandler#characters
   * characters} event.</p>
   *
   * @throws SAXException The application may raise an exception.
   * @see #endCDATA
   */
  public void startCDATA() throws SAXException
  {
    if (null != m_resultLexicalHandler)
      m_resultLexicalHandler.startCDATA();
  }

  /**
   * Report the end of a CDATA section.
   *
   * @throws SAXException The application may raise an exception.
   * @see #startCDATA
   */
  public void endCDATA() throws SAXException
  {
    if (null != m_resultLexicalHandler)
      m_resultLexicalHandler.endCDATA();
  }

  /**
   * Report an XML comment anywhere in the document.
   *
   * <p>This callback will be used for comments inside or outside the
   * document element, including comments in the external DTD
   * subset (if read).</p>
   *
   * @param ch An array holding the characters in the comment.
   * @param start The starting position in the array.
   * @param length The number of characters to use from the array.
   * @throws SAXException The application may raise an exception.
   */
  public void comment(char ch[], int start, int length) throws SAXException
  {
    flushStartDoc();
    if (null != m_resultLexicalHandler)
      m_resultLexicalHandler.comment(ch, start, length);
  }
  
  // Implement DeclHandler
  
  /**
     * Report an element type declaration.
     *
     * <p>The content model will consist of the string "EMPTY", the
     * string "ANY", or a parenthesised group, optionally followed
     * by an occurrence indicator.  The model will be normalized so
     * that all whitespace is removed,and will include the enclosing
     * parentheses.</p>
     *
     * @param name The element type name.
     * @param model The content model as a normalized string.
     * @exception SAXException The application may raise an exception.
     */
    public void elementDecl (String name, String model)
        throws SAXException
    {
                        if (null != m_resultDeclHandler)
                                m_resultDeclHandler.elementDecl(name, model);
    }


    /**
     * Report an attribute type declaration.
     *
     * <p>Only the effective (first) declaration for an attribute will
     * be reported.  The type will be one of the strings "CDATA",
     * "ID", "IDREF", "IDREFS", "NMTOKEN", "NMTOKENS", "ENTITY",
     * "ENTITIES", or "NOTATION", or a parenthesized token group with 
     * the separator "|" and all whitespace removed.</p>
     *
     * @param eName The name of the associated element.
     * @param aName The name of the attribute.
     * @param type A string representing the attribute type.
     * @param valueDefault A string representing the attribute default
     *        ("#IMPLIED", "#REQUIRED", or "#FIXED") or null if
     *        none of these applies.
     * @param value A string representing the attribute's default value,
     *        or null if there is none.
     * @exception SAXException The application may raise an exception.
     */
    public void attributeDecl (String eName,
                                        String aName,
                                        String type,
                                        String valueDefault,
                                        String value)
        throws SAXException
    {
      if (null != m_resultDeclHandler)
                                m_resultDeclHandler.attributeDecl(eName, aName, type, valueDefault, value);
    }


    /**
     * Report an internal entity declaration.
     *
     * <p>Only the effective (first) declaration for each entity
     * will be reported.</p>
     *
     * @param name The name of the entity.  If it is a parameter
     *        entity, the name will begin with '%'.
     * @param value The replacement text of the entity.
     * @exception SAXException The application may raise an exception.
     * @see #externalEntityDecl
     * @see org.xml.sax.DTDHandler#unparsedEntityDecl
     */
    public void internalEntityDecl (String name, String value)
        throws SAXException
    {
      if (null != m_resultDeclHandler)
                                m_resultDeclHandler.internalEntityDecl(name, value); 
    }


    /**
     * Report a parsed external entity declaration.
     *
     * <p>Only the effective (first) declaration for each entity
     * will be reported.</p>
     *
     * @param name The name of the entity.  If it is a parameter
     *        entity, the name will begin with '%'.
     * @param publicId The declared public identifier of the entity, or
     *        null if none was declared.
     * @param systemId The declared system identifier of the entity.
     * @exception SAXException The application may raise an exception.
     * @see #internalEntityDecl
     * @see org.xml.sax.DTDHandler#unparsedEntityDecl
     */
    public void externalEntityDecl (String name, String publicId,
                                             String systemId)
        throws SAXException
    {
      if (null != m_resultDeclHandler)
                                m_resultDeclHandler.externalEntityDecl(name, publicId, systemId);
    }
  
  /**
   * This is null unless we own the stream.
   */
  private java.io.FileOutputStream m_outputStream = null;

  /** The content handler where result events will be sent. */
  private ContentHandler m_resultContentHandler;

  /** The lexical handler where result events will be sent. */
  private LexicalHandler m_resultLexicalHandler;

  /** The DTD handler where result events will be sent. */
  private DTDHandler m_resultDTDHandler;
  
  /** The Decl handler where result events will be sent. */
  private DeclHandler m_resultDeclHandler;

  /** The Serializer, which may or may not be null. */
  private Serializer m_serializer;

  /** The Result object. */
  private Result m_result;

  /**
   * The system ID, which is unused, but must be returned to fullfill the
   *  TransformerHandler interface.
   */
  private String m_systemID;

  /**
   * The parameters, which is unused, but must be returned to fullfill the
   *  Transformer interface.
   */
  private Hashtable m_params;

  /** The error listener for TrAX errors and warnings. */
  private ErrorListener m_errorListener =
    new org.apache.xml.utils.DefaultErrorHandler();

  /**
   * The URIResolver, which is unused, but must be returned to fullfill the
   *  TransformerHandler interface.
   */
  URIResolver m_URIResolver;

  /** The output properties. */
  private OutputProperties m_outputFormat;

  /** Flag to set if we've found the first element, so we can tell if we have 
   *  to check to see if we should create an HTML serializer.      */
  boolean m_foundFirstElement;
}