code: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements. See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership. The ASF licenses this file
   * to you under the Apache License, Version 2.0 (the  "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  /*
   * $Id$
   */
  package org.apache.xml.serializer;
  
  import java.io.IOException;
  import java.io.OutputStream;
  import java.io.Writer;
  import java.util.Properties;
  
  import org.w3c.dom.Node;
  import org.xml.sax.Attributes;
  import org.xml.sax.ContentHandler;
  import org.xml.sax.Locator;
  import org.xml.sax.SAXException;
  import org.xml.sax.ext.LexicalHandler;
  
  /**
   * This class converts SAX-like event to SAX events for
   * xsl:output method "text". 
   * 
   * This class is only to be used internally. This class is not a public API.
   * 
   * @deprecated As of Xalan 2.7.1, replaced by the use of {@link ToXMLSAXHandler}.
   * 
   * @xsl.usage internal
   */
  public final class ToTextSAXHandler extends ToSAXHandler 
  {
      /**
       * From XSLTC
       * @see ExtendedContentHandler#endElement(String)
       */
      public void endElement(String elemName) throws SAXException
      {
          if (m_tracer != null)
              super.fireEndElem(elemName);
      }
  
      /**
       * @see org.xml.sax.ContentHandler#endElement(String, String, String)
       */
      public void endElement(String arg0, String arg1, String arg2)
          throws SAXException
      {
  		if (m_tracer != null)
              super.fireEndElem(arg2);    	
      }
  
      public ToTextSAXHandler(ContentHandler hdlr, LexicalHandler lex, String encoding)
      {
          super(hdlr, lex, encoding);
      }
      
          /**
       * From XSLTC
       */
      public ToTextSAXHandler(ContentHandler handler, String encoding)
      {
          super(handler,encoding);
      }
  
      public void comment(char ch[], int start, int length)
          throws org.xml.sax.SAXException
      {
          if (m_tracer != null)
              super.fireCommentEvent(ch, start, length);
      }
  
      public void comment(String data) throws org.xml.sax.SAXException
      {
          final int length = data.length();
          if (length > m_charsBuff.length)
          {
              m_charsBuff = new char[length*2 + 1];
          }
          data.getChars(0, length, m_charsBuff, 0);
          comment(m_charsBuff, 0, length);
      }
  
      /**
       * @see Serializer#getOutputFormat()
       */
      public Properties getOutputFormat()
      {
          return null;
      }
  
      /**
       * @see Serializer#getOutputStream()
       */
      public OutputStream getOutputStream()
      {
          return null;
      }
  
      /**
       * @see Serializer#getWriter()
       */
      public Writer getWriter()
      {
          return null;
      }
  
      /**
       * Does nothing because 
       * the indent attribute is ignored for text output.
       *
       */
      public void indent(int n) throws SAXException
      {
      }
  
      /**
       * @see Serializer#reset()
       */
      public boolean reset()
      {
          return false;
      }
  
      /**
       * @see DOMSerializer#serialize(Node)
       */
      public void serialize(Node node) throws IOException
      {
      }
  
      /**
       * @see SerializationHandler#setEscaping(boolean)
       */
      public boolean setEscaping(boolean escape)
      {
          return false;
      }
  
      /**
       * @see SerializationHandler#setIndent(boolean)
       */
      public void setIndent(boolean indent)
      {
      }
  
      /**
       * @see Serializer#setOutputFormat(Properties)
       */
      public void setOutputFormat(Properties format)
      {
      }
  
      /**
       * @see Serializer#setOutputStream(OutputStream)
       */
      public void setOutputStream(OutputStream output)
      {
      }
  
      /**
       * @see Serializer#setWriter(Writer)
       */
      public void setWriter(Writer writer)
      {
      }
  
      /**
       * @see ExtendedContentHandler#addAttribute(String, String, String, String, String)
       */
      public void addAttribute(
          String uri,
          String localName,
          String rawName,
          String type,
          String value,
          boolean XSLAttribute)
      {
      }
  
      /**
       * @see org.xml.sax.ext.DeclHandler#attributeDecl(String, String, String, String, String)
       */
      public void attributeDecl(
          String arg0,
          String arg1,
          String arg2,
          String arg3,
          String arg4)
          throws SAXException
      {
      }
  
      /**
       * @see org.xml.sax.ext.DeclHandler#elementDecl(String, String)
       */
      public void elementDecl(String arg0, String arg1) throws SAXException
      {
      }
  
      /**
       * @see org.xml.sax.ext.DeclHandler#externalEntityDecl(String, String, String)
       */
      public void externalEntityDecl(String arg0, String arg1, String arg2)
          throws SAXException
      {
      }
  
      /**
       * @see org.xml.sax.ext.DeclHandler#internalEntityDecl(String, String)
       */
      public void internalEntityDecl(String arg0, String arg1)
          throws SAXException
      {
      }
  
      /**
       * @see org.xml.sax.ContentHandler#endPrefixMapping(String)
       */
      public void endPrefixMapping(String arg0) throws SAXException
      {
      }
  
      /**
       * @see org.xml.sax.ContentHandler#ignorableWhitespace(char[], int, int)
       */
      public void ignorableWhitespace(char[] arg0, int arg1, int arg2)
          throws SAXException
      {
      }
  
      /**
       * From XSLTC
       * @see org.xml.sax.ContentHandler#processingInstruction(String, String)
       */
      public void processingInstruction(String arg0, String arg1)
          throws SAXException
      {
          if (m_tracer != null)
              super.fireEscapingEvent(arg0, arg1);
      }
  
      /**
       * @see org.xml.sax.ContentHandler#setDocumentLocator(Locator)
       */
      public void setDocumentLocator(Locator arg0)
      {
      }
  
      /**
       * @see org.xml.sax.ContentHandler#skippedEntity(String)
       */
      public void skippedEntity(String arg0) throws SAXException
      {
      }
  
      /**
       * @see org.xml.sax.ContentHandler#startElement(String, String, String, Attributes)
       */
      public void startElement(
          String arg0,
          String arg1,
          String arg2,
          Attributes arg3)
          throws SAXException
      {
          flushPending();
          super.startElement(arg0, arg1, arg2, arg3);
      }
  
      /**
       * @see org.xml.sax.ext.LexicalHandler#endCDATA()
       */
      public void endCDATA() throws SAXException
      {
      }
  
      /**
       * @see org.xml.sax.ext.LexicalHandler#endDTD()
       */
      public void endDTD() throws SAXException
      {
      }
  
      /**
       * @see org.xml.sax.ext.LexicalHandler#startCDATA()
       */
      public void startCDATA() throws SAXException
      {
      }
  
  
      /**
       * @see org.xml.sax.ext.LexicalHandler#startEntity(String)
       */
      public void startEntity(String arg0) throws SAXException
      {
      }
  
  
      /**
       * From XSLTC
       * @see ExtendedContentHandler#startElement(String)
       */
      public void startElement(
      String elementNamespaceURI,
      String elementLocalName,
      String elementName) throws SAXException
      {
          super.startElement(elementNamespaceURI, elementLocalName, elementName);
      }
      
      public void startElement(
      String elementName) throws SAXException
      {
          super.startElement(elementName);
      }
      
  
      /**
       * From XSLTC
       * @see org.xml.sax.ContentHandler#endDocument()
       */
      public void endDocument() throws SAXException { 
          
          flushPending();
          m_saxHandler.endDocument();
  		
          if (m_tracer != null)
              super.fireEndDoc();
      }
   
      /**
  	 *	
       * @see ExtendedContentHandler#characters(String)
       */
      public void characters(String characters) 
      throws SAXException 
      { 
          final int length = characters.length();
          if (length > m_charsBuff.length)
          {
              m_charsBuff = new char[length*2 + 1];
          }
          characters.getChars(0, length, m_charsBuff, 0);
     
          m_saxHandler.characters(m_charsBuff, 0, length);
      
      }
      /**
  	 * @see org.xml.sax.ContentHandler#characters(char[], int, int)
       */
      public void characters(char[] characters, int offset, int length)
      throws SAXException 
      { 
      
          m_saxHandler.characters(characters, offset, length);
  
          // time to fire off characters event
  		if (m_tracer != null)
              super.fireCharEvent(characters, offset, length);                
      }
  
      /**
       * From XSLTC
       */
      public void addAttribute(String name, String value) 
      {
          // do nothing
      }
  
  
      public boolean startPrefixMapping(
          String prefix,
          String uri,
          boolean shouldFlush)
          throws SAXException
      {
          // no namespace support for HTML
          return false;
      }
  
  
      public void startPrefixMapping(String prefix, String uri)
          throws org.xml.sax.SAXException
      {
          // no namespace support for HTML
      }
  
  
      public void namespaceAfterStartElement(
          final String prefix,
          final String uri)
          throws SAXException
      {
          // no namespace support for HTML
      }
  
  }
  