itext 2.7.1 writing Arabic and English content in a PDF file

   public void createPdf(String filename) throws IOException, DocumentException {
     
        Document document = new Document();
 
        PdfWriter.getInstance(document, new FileOutputStream(filename));
   
        document.open();
   

        document.add(Chunk.NEWLINE);
       FontFactory.register("c:/windows/fonts/tradbdo.ttf", "my_arabic");
     
        Font myArabicFont = FontFactory.getFont("my_arabic" ,BaseFont.IDENTITY_H, BaseFont.EMBEDDED);
        PdfPTable table = new PdfPTable(1);
        table.getDefaultCell().setNoWrap(false);
       // table.setRunDirection(PdfWriter.RUN_DIRECTION_RTL);
        PdfPCell text = new PdfPCell(new Phrase("محمود السنباطيthis is أبتثجحخدرزسشصضطظعغفقكلمنهوى", myArabicFont));
        text.setRunDirection(PdfWriter.RUN_DIRECTION_RTL);
         text.setNoWrap(false);
         table.addCell(text);

    //Add the table to the document
        document.add(table);
     
     
        document.close();
    }