/**
* Validate the supplied filename, extension and path.
* @param string $fileName
*/
protected function validateFileName($fileName = null)
{
if ($fileName === null) {
$fileName = $this->model->fileName;
}
if (!strlen($fileName)) {
throw (new MissingFileNameException())->setModel($this->model);
}
if (!$this->validateFileNamePath($fileName, $this->model->getMaxNesting())) {
throw (new InvalidFileNameException())->setInvalidFileName($fileName);
}
$this->validateFileNameExtension($fileName, $this->model->getAllowedExtensions());
return true;
}
