code: public void convertRtfDocument(InputStream readerIn, Document doc) throws IOException {
  		if(readerIn == null || doc == null) return;
  		this.init(TYPE_CONVERT, null, readerIn, doc, null);
  		this.setCurrentDestination(RtfDestinationMgr.DESTINATION_DOCUMENT);
  		this.groupLevel = 0;
  		this.tokenise();
  	}
docs: Converts an RTF document to an iText document.
  
  Usage: Create a parser object and call this method with the input stream and the iText Document object
  
  @param readerIn
  The Reader to read the RTF file from.
  @param doc
  The iText document that the RTF file is to be added to.
  @throws IOException
  On I/O errors.
  @since 2.1.3