try {
TokenRequest tokenRequest = getOAuth2RequestFactory().createTokenRequest(authorizationRequest, "implicit");
OAuth2Request storedOAuth2Request = getOAuth2RequestFactory().createOAuth2Request(authorizationRequest);
OAuth2AccessToken accessToken = getAccessTokenForImplicitGrant(tokenRequest, storedOAuth2Request);
if (accessToken == null) {
throw new UnsupportedResponseTypeException("Unsupported response type: token");
}
return new ModelAndView(new RedirectView(appendAccessToken(authorizationRequest, accessToken), false, true,
false));
}
catch (OAuth2Exception e) {