public class LoginFilter implements Filter {
protected FilterConfig filterConfig;

   java.util.List revokeList;


   public void doFilter(ServletRequest request, ServletResponse response,
   FilterChain chain) throws java.io.IOException, ServletException {
       RequestDispatcher dd;




      HttpServletRequest req = (HttpServletRequest)request;
      HttpServletResponse res = (HttpServletResponse)response;
      HttpSession session =((HttpServletRequest) request).getSession();
      chain.doFilter(request, response);
      User user = (User) session.getAttribute("user");
      String url = ((HttpServletRequest)request).getRequestURL().toString();
      String urNo = "mani.jsp";





      UserBO uBO = new UserBO();

     if(url.equals("http://localhost:8080/com.calendar/login.jsp")||url.equals("http://localhost:8080/com.calendar/index.html")|| url.equals("http://localhost:8080/com.calendar/registro.jsp")) {


     }else {
         if(user != null) {

              if(uBO.recoveryWeb(user, urNo)) {//este metodo comprueva si el
                                               //user tiene acceso a esa web
              }else {
                  url = "login.jsp";
              }

         }else {
             url = "index.html";
          }
         dd=request.getRequestDispatcher(url);
         dd.forward(request, response);
     }





   }




}

public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
        throws java.io.IOException, ServletException {

    HttpServletResponse res = (HttpServletResponse) response;
    HttpSession session = ((HttpServletRequest) request).getSession();

    User user = (User) session.getAttribute("user");
    String url = ((HttpServletRequest) request).getRequestURL().toString();
    String urNo = "mani.jsp";

    if (user == null || uBO.recoveryWeb(user, urNo)) {// este metodo comprueva si el user tiene acceso a esa web
        res.sendRedirect("/ruta/login");
        break;
    }
    chain.doFilter(request, response);
}