code: public int getNextField(FieldInfo field, boolean bDisplayOption, int iMoveMode)   // Must be to call right Get calls
      {
          String string = this.getNextString();
          if (string == null)
              return Constants.ERROR_RETURN;
          if (string == DATA_SKIP)
              return Constants.NORMAL_RETURN;  // Don't set this field
          return field.setString(string, bDisplayOption, iMoveMode);
      }
docs: Get the next field and fill it with data from this buffer.
  You must override this method.
  @param field The field to set.
  @param bDisplayOption The display option for setting the field.
  @param iMoveMove The move mode for setting the field.
  @return The error code.