public Cart getCartById(String rawCartId) {
long cartId = -1;
try {
cartId = Long.parseLong(rawCartId);
} catch (NumberFormatException e) {
throw new IllegalArgumentException(e);
}
return cartDao.getCartById(cartId);
}
public void deleteCart(Cart cart) {
cartDao.deleteCart(cart);
}
public void saveOrUpdateCart(Cart cart) {
cartDao.saveOrUpdateCart(cart);
}