public function getFileSystem()
    {
        if (! $this->storage) {
            $this->storage = $this->getServiceLocator()->get(PortableElementFileStorage::SERVICE_ID);
            $this->storage->setServiceLocator($this->getServiceLocator());
            $this->storage->setModel($this->getModel());
        }
        return $this->storage;
    }
public function getFileSystem()
    {
        if (! $this->storage) {
            $this->storage = $this->getServiceLocator()->get(PortableElementFileStorage::SERVICE_ID);
            $this->storage->setServiceLocator($this->getServiceLocator());
            $this->storage->setModel($this->getModel());
        }
        return $this->storage;
    }
public function getFileSystem ( ) { if ( ! $ this -> storage ) { $ this -> storage = $ this -> getServiceLocator ( ) -> get ( PortableElementFileStorage :: SERVICE_ID ) ; $ this -> storage -> setServiceLocator ( $ this -> getServiceLocator ( ) ) ; $ this -> storage -> setModel ( $ this -> getModel ( ) ) ; } return $ this -> storage ; }
Get the fly filesystem based on OPTION_FS configuration

@return PortableElementFileStorage
Get the fly filesystem based on OPTION_FS configuration