public UserGuard(Context context,ChallengeScheme scheme,String realm,AuthService authService)
{
super(context,scheme,realm);
this.requiredGroups = new ArrayList<String>();
this.authService = authService;
setVerifier(new Verifier() {
public int verify(Request request, Response response) {
request.getAttributes().put(App.AUTH_SERVICE_ATTR,UserGuard.this.authService);
ChallengeResponse cr = request.getChallengeResponse();
Cookie cookie = request.getCookies().getFirst("I");