wps変換の文字化けしの問題を解決してtxtフォーマットファイルをpdfに変換する

 simhei.ttf    resource  ：
private static final String FONT = "simhei.ttf";
private static void text2pdf(String text, String pdf) throws DocumentException, IOException {
   Document document = new Document();
   OutputStream os = new FileOutputStream(new File(pdf));
   PdfWriter.getInstance(document, os);
   document.open();
   BaseFont baseFont = BaseFont.createFont(FONT, BaseFont.IDENTITY_H, BaseFont.NOT_EMBEDDED);
   Font font = new Font(baseFont);
   InputStreamReader isr = new InputStreamReader(new FileInputStream(new File(text)), "UTF-8");
   BufferedReader bufferedReader = new BufferedReader(isr);
   String str = "";
   while ((str = bufferedReader.readLine()) != null) {
      document.add(new Paragraph(str, font));
   }
   document.close();
}