private List<CartItem> addCount(String str, List<CartItem> cartitemList) throws IOException {
String[] fields = str.split("-");
String barcode = fields[0];
double count = this.getCount(fields);
Product product = this.getProduct(barcode);
int index = this.getIndex(barcode, cartitemList);
if (index == -1) {
CartItem cartitem = new CartItem(product, count);
cartitemList.add(cartitem);
} else {
CartItem cartitem = cartitemList.get(index);
cartitem.setCount(cartitem.getCount() + 1);
cartitemList.set(index, cartitem);
}
return cartitemList;
}
