public ArrayList regresaCatalogo(String catalogo) {
        String res = "";
        ArrayList lista = new ArrayList();
        try {
            Class.forName(driver);
            Connection con = DriverManager.getConnection(connectString, user, password);
            PreparedStatement query = con.prepareStatement("select descripcion from " + catalogo + " order by descripcion");

            ResultSet rset = query.executeQuery();
            while (rset.next()) {
                res = (rset.getString(1));
                lista.add(res);
            }
        } catch (SQLException | java.lang.ClassNotFoundException e) {
            System.out.println(e.getMessage());
        }

        return lista;
    }