public HttpServletRequest removeurlfrombdd(HttpServletRequest req, HttpServletResponse response) { User user = User.getInstance(); if (user == null) { this.parent.redirect("login", true); return req; } else { int urlId = Integer.parseInt(req.getParameter("urlid")); user.removeUrlFromBdd(urlId); user.setuTagMap(null); user.addAllMap(); user.setuUrls(null); user.addAllUrl(); return req; } }