ViewProject.java Source code

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Here is the source code for ViewProject.java

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/*
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 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */

import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.hibernate.Criteria;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import Model.ProjectDetails;
import java.util.ArrayList;
import javax.servlet.RequestDispatcher;
import javax.servlet.http.HttpSession;
import org.hibernate.criterion.Restrictions;

public class ViewProject 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();
        String path = "";

        RequestDispatcher rd;
        try {
            SessionFactory sf = NewHibernateUtil.getSessionFactory();
            Session ss = sf.openSession();
            Transaction tr = ss.beginTransaction();
            HttpSession hs = request.getSession();
            int mineId = Integer.parseInt(request.getParameter("mineId").toString());
            Criteria cr = ss.createCriteria(ProjectDetails.class);
            cr.add(Restrictions.eq("mineId", mineId));

            ArrayList<ProjectDetails> PDlist = (ArrayList<ProjectDetails>) cr.list();
            ProjectDetails pd = PDlist.get(0);
            tr.commit();

            request.setAttribute("projDet", pd);
            hs.setAttribute("projDet", pd);
            path = "viewProject.jsp";
            rd = request.getRequestDispatcher(path);

        } catch (Exception e) {
            path = "FailureME.jsp";
            rd = request.getRequestDispatcher(path);
        }
        rd.forward(request, response);
    }

    // <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>

}