protected function _getOrder()
    {
        $sOrderId = $this->_getContainer()->getConfig()->getRequestParameter('oxid');

        if ($sOrderId !== null) {
            /** @var oxOrder $oOrder */
            $oOrder = $this->_getContainer()->getObjectFactory()->createOxidObject('oxOrder');

            if ($oOrder->load($sOrderId) === true) {
                return $oOrder;
            }
        }

        return null;
    }