/**
  * Perform result pre-processing
  *
  * @param array $arguments
  */
 protected function _preProcessResult($result)
 {
     $result = parent::_preProcessResult($result);
     /**
      * catch interface errors
      *
      * Excerpt of interface documentation:
      *   A value of zero means, the request was processed without error.
      *   A value greater than zero indicates that an error occurred.
      *   The detailed mapping and explanation of returned status codes is
      *   contained in the list.
      *
      * @var stdClass $status Interface status response
      */
     if (Mage::getStoreConfig('intraship/general/logging_enabled')) {
         $logfile = Mage::getModel('intraship/config')->getLogfile();
         Mage::log('REQUEST: ' . $this->getLastRequest(), null, $logfile);
         Mage::log('RESPONSE: ' . $this->getLastResponse(), null, $logfile);
     }
     $status = isset($result->status) ? $result->status : $result->Status;
     if (0 < (int) $status->StatusCode) {
         throw new Dhl_Intraship_Model_Soap_Client_Response_Exception($this->getErrorMessage($result), $status->StatusCode);
     }
     return $result;
 }