Method isDirEmpty

src/main/java/matcher/gui/menu/FileMenu.java:304–311

(Path dir)

	}

	private static boolean isDirEmpty(Path dir) {
		try (Stream<Path> stream = Files.list(dir)) {
			return !stream.anyMatch(ignore -> true);
		} catch (IOException e) {
			e.printStackTrace();
			return false;
		}
	}

	private static MappingFormat getFormat(Path file) {
		if (Files.isDirectory(file)) return MappingFormat.ENIGMA_DIR;