sendmessage.java Source code

Introduction

Here is the source code for sendmessage.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.
 */

import java.io.IOException;
import java.io.PrintWriter;
import java.sql.Date;
import java.util.ArrayList;
import javax.servlet.RequestDispatcher;
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 model.ChatMsg;
import model.GroupDetail;
import model.Login;
import org.hibernate.Criteria;
import org.hibernate.HibernateException;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import org.hibernate.criterion.Restrictions;
import util.NewHibernateUtil;

/**
 *
 * @author rushin
 */
public class sendmessage 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();
        HttpSession hs = request.getSession();
        try {

            Login ln = (Login) hs.getAttribute("user");

            SessionFactory sf = NewHibernateUtil.getSessionFactory();
            Session ss = sf.openSession();
            Transaction tr = ss.beginTransaction();

            int gid = Integer.parseInt(request.getParameter("gid"));
            GroupDetail gd = (GroupDetail) ss.get(GroupDetail.class, gid);
            String msg = request.getParameter("message");

            ChatMsg cm = new ChatMsg();
            cm.setGId(gd);
            cm.setMsg(msg);
            cm.setUId(ln);

            cm.setDateTime(new Date(System.currentTimeMillis()));

            ss.save(cm);
            tr.commit();

            //   cm.getDateTime(new Date(System.currentTimeMillis()));
            request.setAttribute("gid", gd.getGId());
            RequestDispatcher rd = request.getRequestDispatcher("GetGroupChatServ");
            rd.forward(request, response);

            System.out.println("Group id is :" + gd.getGId());

        } catch (HibernateException he) {
            System.out.print(he.getMessage());
        }
    }

    // <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>

}