/** {@inheritDoc} */
 @Override
 public void process(final AuthenticationResponse response) {
   if (response.getMessage() != null) {
     final ActiveDirectoryAccountState.Error adError =
         ActiveDirectoryAccountState.Error.parse(response.getMessage());
     if (adError != null) {
       response.setAccountState(new ActiveDirectoryAccountState(adError));
     }
   }
 }