com.buy.java Source code

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Here is the source code for com.buy.java

Source

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package com;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.Date;
import java.util.Iterator;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import org.hibernate.cfg.Configuration;

public class buy extends HttpServlet {

    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        int cost;
        HttpSession session = request.getSession(true);
        try {

            Configuration cfg = new Configuration();
            cfg.configure("hibernate.cfg.xml");//populates the data of the configuration file  
            SessionFactory factory = cfg.buildSessionFactory();
            Session session1 = factory.openSession();
            Transaction t = session1.beginTransaction();
            String UEmail = (String) session.getAttribute("email");
            int price = 0;

            price = (Integer) session.getAttribute("price");
            int i = Integer.parseInt(request.getParameter("i"));

            cost = Integer.parseInt(request.getParameter("cost"));
            if (price < cost) {
                out.println("You Dont have Enough Balance to purchase");
            } else {
                Date d = new Date();
                if (i == 1) {
                    String comp = request.getParameter("comp");
                    String email = request.getParameter("email");
                    ShareBuy u = new ShareBuy();

                    u.setDate(d);
                    u.setRate(cost);
                    u.setSellerEmail(email);
                    u.setUseremail(UEmail);
                    u.setStatus("BUY");
                    u.setCompany(comp);
                    u.setEnd_rate(0);
                    session1.persist(u);
                    price = price - cost;
                    session.removeAttribute("price");

                    session.setAttribute("price", price);
                    t.commit();

                    Transaction t1 = session1.beginTransaction();
                    session1.createSQLQuery(
                            "UPDATE STOCK.STOCKUSER set MONEY=" + price + "   WHERE EMAIL='" + UEmail + "' ")
                            .executeUpdate();
                    t1.commit();
                    int moneyStock = 0;
                    Transaction t3 = session1.beginTransaction();
                    List list = session1.createQuery("from com.StockUser Where EMAIL='" + email + "'").list();
                    Iterator iterator = list.iterator();

                    for (int j = 0; j < list.size(); j++) {
                        StockUser user = (StockUser) iterator.next();
                        moneyStock = user.getMoney();

                    }

                    t3.commit();
                    moneyStock = moneyStock + cost;
                    Transaction t2 = session1.beginTransaction();
                    session1.createSQLQuery(
                            "UPDATE STOCK.STOCKUSER set MONEY=" + moneyStock + "   WHERE EMAIL='" + email + "' ")
                            .executeUpdate();
                    t2.commit();
                    out.print("Success");

                    Transaction t4 = session1.beginTransaction();
                    TransactionT tra = new TransactionT();
                    tra.setAmount(cost);
                    tra.setSellermail(email);
                    tra.setStatus("S-U");
                    tra.setD(d);
                    tra.setUsermail(UEmail);
                    session1.persist(tra);
                    t4.commit();

                }

            }

            session1.close();
        }

        catch (Exception e1) {

            e1.printStackTrace();
        }
    }

    // <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>

}