* Creates and returns a <tt>CallRestriction</tt> object corresponding to the current values
* of the fields in this panel.
*/
public CallRestrictions getCallRestrictions(WebServiceCall ws) throws IllegalStateException {
Long delay = getCallDelay();
StorageSizeUnit sizeUnit = (StorageSizeUnit) sizeUnitCombo.getSelectedItem();
Long maxDataToPost = getMaxDataToPost(sizeUnit);
CallRestrictions r = null;
if (delay != null || maxDataToPost != null) {
r = new CallRestrictions(ws);
if (delay != null) {