controler.purchaseServlet.java Source code

Introduction

Here is the source code for controler.purchaseServlet.java

Source

/*
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 * and open the template in the editor.
 */

package controler;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import org.json.simple.parser.ParseException;

/**
 *
 * @author wndessy
 */
@WebServlet(name = "purchaseServlet", urlPatterns = { "/purchaseServlet" })
public class purchaseServlet extends HttpServlet {

    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
     * methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        DbModules dm = new DbModules();
        HttpSession session = request.getSession(true);

        try {
            String myValues[] = request.getParameterValues("myValues");
            Object attribValue = session.getAttribute("customerID");
            String value = " " + attribValue;
            value = value.trim();
            String message = null;
            if ("null".equals(value) || "".equals(value)) {
                message = "Please log in first to make any purchases";
            } else {
                try {
                    message = dm.UpdatePurchase(myValues, value);
                } catch (ParseException ex) {
                    Logger.getLogger(purchaseServlet.class.getName()).log(Level.SEVERE, null, ex);
                }
            }
            out.print(message);

        } finally {
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}