Java tutorial
/* * 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.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.AgentDetail; import model.GmemberDetail; 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 sun.awt.X11.XConstants; import util.NewHibernateUtil; /** * * @author rushin */ public class getgroups 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 { SessionFactory sf = NewHibernateUtil.getSessionFactory(); Session ss = sf.openSession(); Transaction tr = ss.beginTransaction(); Login ln = (Login) hs.getAttribute("user"); System.out.println(ln.getUName() + "is the user"); int id = Integer.parseInt(request.getParameter("id")); Criteria cr = ss.createCriteria(GmemberDetail.class); cr.add(Restrictions.eq("uId", ln)); ArrayList<GmemberDetail> gmdl = (ArrayList<GmemberDetail>) cr.list(); // ArrayList<GroupDetail> gdl1 = new ArrayList<>(); // for (GmemberDetail g : gmdl) { // // System.out.println(g.getGId()); // Criteria cr1 = ss.createCriteria(GroupDetail.class); // cr1.add(Restrictions.eq("gId", g.getGId().getGId())); // // GroupDetail gd = (GroupDetail) cr1.uniqueResult(); // gdl1.add(gd); // // } System.out.println("=====glist size=====" + gmdl.size()); request.setAttribute("grouplist", gmdl); if (id == 0) { RequestDispatcher rd = request.getRequestDispatcher("group_home.jsp"); rd.forward(request, response); } else if (id == 1) { int uid = Integer.parseInt(request.getParameter("uid")); request.setAttribute("uid", uid); RequestDispatcher rd = request.getRequestDispatcher("groupsofuser.jsp"); rd.forward(request, response); } } catch (HibernateException he) { 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> }