java - pdfBox 2.0.7 Arabic issue -

hi using pdfbox create pdf file writing characters in english , others in arabic when arabic disconnected , reversed . ‫ف ر ح‬ , error message jul 25, 2017 1:51:20 pm org.apache.pdfbox.pdmodel.font.pdcidfonttype2 warning: using fallback font liberationsans cid-keyed truetype font nazaninltlight jul 25, 2017 1:51:20 pm org.apache.pdfbox.pdmodel.font.pdtype0font tounicode warning: no unicode mapping cid+3 (3) in font nazaninltlight

public class pdfcreator {  public static void main(string[] args) throws ioexception {     pddocument document = new pddocument();     pdpage page = new pdpage();     document.addpage(page);     file myfile = new file("/home/charefdz19/desktop/nazaninltlight.ttf");     pdfont font = pdtype0font.load(document, myfile);     pdpagecontentstream contentstream = new pdpagecontentstream(document, page);     contentstream.begintext();     contentstream.setfont(font, 12);     contentstream.newlineatoffset(30, 40);     string arabictext = " حرف" ;     system.setproperty("ste.encoding", "utf-8");     contentstream.showtext(arabictext);     contentstream.endtext();     contentstream.close();     pdftextstripper textstripper = new pdftextstripper();     string text = textstripper.gettext(document);     system.out.print(text);       document.save("test.pdf"); } 

}