/**
* Crée un nouveau format de fichier
* @param string $contentType
* @param string $nom
* @param boolean $enable
* @return fileFormat
*/
public function createNewFormat($contentType, $nom = null, $enable = true)
{
$newFormat = new fileFormat();
$newFormat->setEnabled($enable);
$newFormat->setContentType($contentType);
if (!is_string($nom)) {
$nom = $contentType;
}
$newFormat->setNom($nom);
$this->em->persist($newFormat);
$this->em->flush();
return $newFormat;
}