package nz.ac.massey.softwarec.group3.session;
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 javax.servlet.http.HttpSession;
import nz.ac.massey.softwarec.group3.game.Game;
/**
* LocationCheck - Servlet for checking that a user is on the right page,
* based upon the information in their session.
* @version 1.0 Release
* @since 1.0
* @authors Natalie Eustace | Wanting Huang | Paul Smith | Craig Spence
*/
public class LocationCheck 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");
final String location = (String) request.getParameter("location");
PrintWriter out = response.getWriter();
HttpSession session = request.getSession();
try {
if (session == null) {
out.append("/Software_Engineering_C/Resources/JavaServerPages/login.jsp");
}
else {
Game game = (Game) session.getAttribute("game");
if (session.getAttribute("email") == null && !("login").equals(location)) {
out.append("/Software_Engineering_C/Resources/JavaServerPages/login.jsp");
}
else if (session.getAttribute("email") != null && ("login").equals(location)) {
out.append("/Software_Engineering_C/Resources/JavaServerPages/lobby.jsp");
}
else if (session.getAttribute("game") == null && (("ingame").equals(location) || ("gamewaiting").equals(location))){
out.append("/Software_Engineering_C/Resources/JavaServerPages/lobby.jsp");
}
else if (game != null && game.isFinished()) {
out.append("/Software_Engineering_C/Resources/JavaServerPages/lobby.jsp");
}
}
} finally {
out.close();
}
}
// <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 "This servlet makes sure that a user is not on a page which they shouldn't be";
}// </editor-fold>
}