code: public TransformerHandler newTransformerHandler(Source src)
            throws TransformerConfigurationException
    {
  
      Templates templates = newTemplates(src);
      if( templates==null ) return null;
      
      return newTransformerHandler(templates);
    }
docs: Get a TransformerHandler object that can process SAX
  ContentHandler events into a Result, based on the transformation
  instructions specified by the argument.
  
  @param src The source of the transformation instructions.
  
  @return TransformerHandler ready to transform SAX events.
  
  @throws TransformerConfigurationException