/**
* Default handler for a flowManager which simply add it to the MAV using {@link
* ConsumerAbstractController#FLOW_MANAGER_ID_KEY}
*
* @param mav
* @param fm
* @throws IllegalArgumentException if flow manager is null
*/
protected void handleFlowManager(ModelAndView mav, FlowManager fm)
throws IllegalArgumentException {
if (fm == null) {
throw new IllegalArgumentException("Unable to locate the FlowManager ID:" + fm.getId());
}
mav.addObject(FLOW_MANAGER_ID_KEY, fm);
}
