code: public static String decode(final String str, final String charsetName) throws UnsupportedEncodingException {
  		return decode(new String(str.getBytes(charsetName), "UTF-8"));
  	}
docs: Transliterate an Unicode object into an ASCII string.
  
  @param str         Unicode String to transliterate.
  @param charsetName charset Name
  @return ASCII string.
  @throws UnsupportedEncodingException