public Scheduler getScheduler(String every) {
        logger.info("   Find scheduler for: " + every);
        for (DateParser p: parsers) {
            Scheduler s = p.parse(every);
            if (s != null) {
                logger.info("   Found: " + s);
                return s;
            }
        }
        logger.info("   Nothing found");
        return null;
    }