ShoppingCartViewerHidden.java Source code

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Here is the source code for ShoppingCartViewerHidden.java

Source

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

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("<HEAD><TITLE>Current Shopping Cart Items</TITLE></HEAD>");
        out.println("<BODY>");

        // 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:<BR>");
        if (items == null) {
            out.println("<B>None</B>");
        } else {
            out.println("<UL>");
            for (int i = 0; i < items.length; i++) {
                out.println("<LI>" + items[i]);
            }
            out.println("</UL>");
        }

        // 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("<FORM ACTION=\"/servlet/ShoppingCart\" METHOD=POST>");
        if (items != null) {
            for (int i = 0; i < items.length; i++) {
                out.println("<INPUT TYPE=HIDDEN NAME=\"item\" VALUE=\"" + items[i] + "\">");
            }
        }
        out.println("Would you like to<BR>");
        out.println("<INPUT TYPE=SUBMIT VALUE=\" Add More Items \">");
        out.println("<INPUT TYPE=SUBMIT VALUE=\" Check Out \">");
        out.println("</FORM>");

        out.println("</BODY></HTML>");
    }
}