package controller.services; import controller.access.AccessControllerView; import controller.users.UsersControllerView; import model.User; import javax.servlet.RequestDispatcher; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpSession; import java.io.IOException; import static controller.services.ServicesControllerView.getAllServices; public class ServicesControllerIndex extends HttpServlet { public void doPost(HttpServletRequest request, HttpServletResponse response) throws IOException { try{ if (AccessControllerView.checkPermission(request.getSession().getAttribute("userID").toString(),request.getRequestURI())){ //Se usa para revisar si hay una sesion activa HttpSession sesion= request.getSession(); //Intenta hallar una sesion activa try{ User user = UsersControllerView.getUser(sesion.getAttribute("userID").toString()); if (user == null) throw new NullPointerException("UsersControllerIndex: El usuario recibido es nulo."); request.setAttribute("User",user); request.setAttribute("ServicesList",getAllServices()); request.setAttribute("serverResponse",sesion.getAttribute("serverResponse")); sesion.setAttribute("serverResponse","!"); RequestDispatcher dispatcher = getServletContext().getRequestDispatcher("/WEB-INF/View/Services/index.jsp"); dispatcher.forward(request,response); } //Si no la encuentra, redirige a la pagina inicial. catch (Exception e){ System.err.println("UserControllerIndex: Error catched. " + e.getMessage()); response.getWriter().println(""); } } else { request.getSession().setAttribute("serverResponse","{\"color\": \"red\",\"response\":\"You don\\'t have permission to access /services.\"}"); response.sendRedirect("/users"); } } catch (NullPointerException e){ response.sendRedirect("/users"); } } public void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException { doPost(req, resp); } }