domain.friends.java Source code

Introduction

Here is the source code for domain.friends.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 domain;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import model.HibernateUtil;
import model.User;
import org.hibernate.SQLQuery;
import org.hibernate.Session;

/**
 *
 * @author Lizalica
 */
@WebServlet(name = "friends", urlPatterns = { "/friends" })
public class friends 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");

        Session hbm = HibernateUtil.getSessionFactory().openSession();
        int id = request.getParameter("id") != null ? Integer.parseInt(request.getParameter("id")) : 0;

        User mainUser = (User) hbm.get(User.class, id);
        request.setAttribute("mainUser", mainUser);

        SQLQuery query = hbm.createSQLQuery("select user2 from friends where user1 = :id");
        query.setParameter("id", id);
        List<Integer> idovi = query.list();
        List<User> friends = new ArrayList<User>();
        for (int user_id : idovi) {
            friends.add((User) hbm.get(User.class, user_id));
        }

        request.setAttribute("friends", friends);

        request.getRequestDispatcher("friends.jsp").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>

}