/**
* Ensure that a valid source has been provided.
* @return void
* @throws \Plank\Mediable\Exceptions\MediaUpload\ConfigurationException If no source is provided
* @throws \Plank\Mediable\Exceptions\MediaUpload\FileNotFoundException If the source is invalid
*/
private function verifySource()
{
if (empty($this->source)) {
throw ConfigurationException::noSourceProvided();
}
if (!$this->source->valid()) {
throw FileNotFoundException::fileNotFound($this->source->path());
}
}
