public static List getDocumentListComment() {
        metadataDao = new DaoMetadata();
        List<Integer> arrayList = new ArrayList<>();
        List<Metadata> arrayMetadata = metadataDao.read(LANGUAGE);

        for (int i = 0; i < arrayMetadata.size(); i++) {
            arrayList.add(arrayMetadata.get(i).getID());
        }
        return arrayList;
    }