public String getData(Cursor cursor, int columnIndex) {
   Object value = upstreamCell.getData(cursor, columnIndex);
   return (value == null) ? "" : HashUtil.hashString(context, String.valueOf(value));
 }
 @Override
 public String getData(Cursor cursor, int columnIndex) {
   return HashUtil.formatPhoneNumber(super.getData(cursor, columnIndex));
 }