}
private String getCronExpression(ScheduledScan scheduledScan) {
DayInWeek dayInWeek = DayInWeek.getDay(scheduledScan.getDay());
ScheduledFrequencyType frequencyType = ScheduledFrequencyType.getFrequency(scheduledScan.getFrequency());
ScheduledPeriodType scheduledPeriodType = ScheduledPeriodType.getPeriod(scheduledScan.getPeriod());
String cronExpression = null;
// Set DayOfWeek is ? if schedule daily, and MON-SUN otherwise
String day = "?";