}
if (refershTokenUrl != null) {
HttpResponse response = null;
final HttpRequest request = new HttpRequest(Uri.parse(refershTokenUrl));
request.setSecurityToken(new AnonymousSecurityToken("", 0L, accessor.getGadgetUri()));
request.setMethod("POST");
request.setHeader("Content-Type", "application/x-www-form-urlencoded; charset=utf-8");
for (final ClientAuthenticationHandler clientAuthenticationHandler : this.clientAuthenticationHandlers) {
if (clientAuthenticationHandler.geClientAuthenticationType().equalsIgnoreCase(