import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class ShoppingCartViewerHidden extends HttpServlet {
public void doGet(HttpServletRequest req, HttpServletResponse res)
throws ServletException, IOException {
res.setContentType("text/html");
PrintWriter out = res.getWriter();
out.println("Current Shopping Cart Items");
out.println("");
// Cart items are passed in as the item parameter.
String[] items = req.getParameterValues("item");
// Print the current cart items.
out.println("You currently have the following items in your cart:
");
if (items == null) {
out.println("None");
}
else {
out.println("");
for (int i = 0; i < items.length; i++) {
out.println("- " + items[i]);
}
out.println("
");
}
// Ask if the user wants to add more items or check out.
// Include the current items as hidden fields so they'll be passed on.
out.println("");
out.println("