class CellCoordinate {

    public static CellCoordinate fromCellId(String cellId) {
        CellCoordinate coordinate = new CellCoordinate();

        if (cellId != null) {
            coordinate.setRowIndex(getRowIndex(cellId));
            coordinate.setColumnIndex(getColumnIndex(cellId));
        }

        return coordinate;
    }

      CellCoordinate();

}