if (getCallback() == null) { setCallback(new PageCallback(ActivateDialPlan.PAGE)); }
    public void pageBeginRender(PageEvent event_) {        EmergencyRouting emergencyRouting = getEmergencyRouting();        if (emergencyRouting == null) {            emergencyRouting = getDialPlanManager().getEmergencyRouting();            setEmergencyRouting(emergencyRouting);        }        Collection exceptions = emergencyRouting.getExceptions();        ListEditMap map = new ListEditMap();        for (Iterator i = exceptions.iterator(); i.hasNext();) {            RoutingException exception = (RoutingException) i.next();            map.add(exception.getId(), exception);        }        setExceptionsMap(map);    }