public function getMimetypeIcon($mimetype)
{
$file = str_replace('/', '-', $mimetype) . '.svg';
$iconDirectory = $this->container->getParameter('partkeepr.directories.mimetype_icons');
$fileLocator = new FileLocator($iconDirectory);
try {
$iconFile = $fileLocator->locate($file);
} catch (\InvalidArgumentException $e) {
$file = 'empty.svg';
$iconFile = $fileLocator->locate($file);
}
return $iconFile;
}