/**
  * Télécharge un fichier.
  *
  * @return
  * @throws FileNotFoundException
  */
 public static Result telechargerFichier(String filename) {
   if (MenuExpert.isExpertConnected()) {
     FileInputStream fis;
     try {
       fis =
           new FileInputStream(
               new File(
                   Play.application().configuration().getString("xls_generes.path") + filename));
       response().setHeader("Content-Disposition", "attachment; filename=" + filename);
       return ok(fis);
     } catch (FileNotFoundException e) {
       return notFound("404: File not found");
     }
   } else return Admin.nonAutorise();
 }
 public static Result main() {
   if (MenuExpert.isExpertConnected()) {
     return ok(consulterDonnees.render());
   } else return Admin.nonAutorise();
 }