/**
* Retrieve shipping method
*
* @param bool $asObject return carrier code and shipping method data as object
* @return string|Varien_Object
*/
public function getShippingMethod($asObject = false)
{
$shippingMethod = parent::getShippingMethod();
if (!$asObject) {
return $shippingMethod;
} else {
list($carrierCode, $method) = explode('_', $shippingMethod, 2);
return new Varien_Object(array('carrier_code' => $carrierCode, 'method' => $method));
}
}