DateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
UsecaseScheduler scheduler = null;
try {
Date date = format.parse(dateString);
scheduler = (UsecaseScheduler) this.manager.lookup(UsecaseScheduler.ROLE);
scheduler.schedule(this, date);
} catch (ParseException e) {
addErrorMessage("scheduler-date-format-invalid");
} finally {
if (scheduler != null) {
this.manager.release(scheduler);