/**
  * Save token
  */
 protected function _saveToken()
 {
     if (self::REQUEST_INITIATE == $this->_requestType) {
         if (self::CALLBACK_ESTABLISHED == $this->_protocolParams['oauth_callback'] && $this->_consumer->getCallBackUrl()) {
             $callbackUrl = $this->_consumer->getCallBackUrl();
         } else {
             $callbackUrl = $this->_protocolParams['oauth_callback'];
         }
         $this->_token->createRequestToken($this->_consumer->getId(), $callbackUrl);
     } elseif (self::REQUEST_TOKEN == $this->_requestType) {
         $this->_token->convertToAccess();
     }
 }