import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
import cart.*;
public class CashierServlet extends HttpServlet {
public void doGet (HttpServletRequest request,
HttpServletResponse response)
throws ServletException, IOException
{
// Get the user's session and shopping cart
HttpSession session = request.getSession(true);
ShoppingCart cart =
(ShoppingCart)session.getValue(session.getId());
// If the user has no cart, create a new one
if (cart == null) {
cart = new ShoppingCart();
session.putValue(session.getId(), cart);
}
// set content-type header before accessing Writer
response.setContentType("text/html");
PrintWriter out = response.getWriter();
// then write the data of the response
out.println("" +
" Payment " +
"" +
"" +
"" +
"Payment" +
"
" +
"" +
"
");
// Determine the total price of the user's books
Cashier cashier = new Cashier(cart);
double total = cashier.getTotal();
// Print out the total and the form for the user
out.println("Purchase Amount : " +
"" + cashier.format(total) + "" +
"
To confirm the purchase, fill the following information" +
"
" +
"" +
"");
out.close();
}
public String getServletInfo() {
return "The Cashier servlet takes the user's name and " +
"credit-card number so that the user can buy the books.";
}
}