@GET
@Path("review")
public Response getSalesOrder(
@QueryParam("callback") String callback,
@QueryParam("promoCode") String promoCode,
@QueryParam("zipCode") Integer zipCode,
@QueryParam("subTotal") BigDecimal subTotal) {
Response response = null;
BigDecimal discount = discountCalculator.getDiscount(promoCode);
BigDecimal taxAmount =
taxCalculator.getTaxRate(zipCode).multiply((subTotal.subtract(discount)));
BigDecimal shippingAmount = shippingCalculator.getShippingCost(zipCode, subTotal);
Map<String, BigDecimal> keyValues = new HashMap();
keyValues.put("discount", discount);
keyValues.put("salesTax", taxAmount);
keyValues.put("shipping", shippingAmount);
keyValues.put("total", subTotal.subtract(discount).add(taxAmount).add(shippingAmount));
response = Response.status(Status.OK).entity(keyValues).build();
// response.getHeaders().add("Access-Control-Allow-Origin", "http://localhost:8090");
// response.getHeaders().add("Content-Type", "application/json");
// response.getHeaders().add("X-Served-By", "MyStoreJEE");
return response;
}