*/
private IActivity[] getCategoryActivities(ICategory category) {
Set activityBindings = category.getCategoryActivityBindings();
List categoryActivities = new ArrayList(activityBindings.size());
for (Iterator j = activityBindings.iterator(); j.hasNext();) {
ICategoryActivityBinding binding = (ICategoryActivityBinding) j
.next();
String activityId = binding.getActivityId();
IActivity activity = manager.getActivity(activityId);
if (activity.isDefined()) {
categoryActivities.add(new CategorizedActivity(category,
activity));
}