private ArrayList<ProductoParaVender> obtenerCarrito(HttpServletRequest request) { | |
ArrayList<ProductoParaVender> carrito = (ArrayList<ProductoParaVender>) request.getSession().getAttribute("carrito"); | |
if (carrito == null) { | |
carrito = new ArrayList<>(); | |
} | |
return carrito; | |
} | |
private void guardarCarrito(ArrayList<ProductoParaVender> carrito, HttpServletRequest request) { | |
request.getSession().setAttribute("carrito", carrito); | |
} |
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