servs.AddRecord.java Source code

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Here is the source code for servs.AddRecord.java

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/*
 * 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 servs;

import bean.Record;
import java.io.IOException;
import java.io.PrintWriter;
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 org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import org.hibernate.cfg.Configuration;

public class AddRecord extends HttpServlet {

    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        System.out.println(request.getQueryString());
        String action = request.getParameter("qry");
        switch (action) {
        case "ajx": {
            try {
                String str = request.getParameter("q") + "%";
                PrintWriter out = response.getWriter();

                Configuration cfg = new Configuration().configure("hibernate.cfg.xml");
                SessionFactory factory = cfg.buildSessionFactory();
                Session s = factory.openSession();
                Transaction tx = s.beginTransaction();

                String sql = "From bean.Record where recname like :name";
                Query q = s.createQuery(sql);
                q.setParameter("name", str);
                List list = q.list();
                Iterator it = list.iterator();
                out.print("<datalist>");
                while (it.hasNext()) {
                    bean.Record obj = (bean.Record) it.next();
                    String b = "'" + obj.getRecname() + "'";
                    out.print("<option value=" + b + ">" + obj.getRecname() + "</option>");
                }
                out.print("</datalist>");
                tx.commit();
                s.close();
                factory.close();

            } catch (Exception ex) {
                System.out.println("ERROR STARTS FROM HERE:" + ex);
            }

            break;
        }

        case "Submit": {
            int catid = Integer.parseInt(request.getParameter("categorySelect"));
            String recname = request.getParameter("recordname");
            String desc = request.getParameter("desc");
            String tags = request.getParameter("tags");

            bean.Record r = new Record();
            r.setCatid(catid);
            r.setDesc(desc);
            r.setRecname(recname);
            r.setTags(tags);

            Configuration cfg = new Configuration().configure("hibernate.cfg.xml");
            SessionFactory factory = cfg.buildSessionFactory();
            Session s = factory.openSession();
            Transaction tx = s.beginTransaction();
            s.save(r);
            tx.commit();
            factory.close();

            //==== if success then redirect to success page
            request.getSession(false).setAttribute("info", "Your Record is Added Successfully");
            response.sendRedirect("AdminPanel/AdminPanelSuccess.jsp");

            break;
        }
        }

    }

    // <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>

}