@Override
protected Data modify(Data data, Participant participant) {
if (data == null) return null;
if (!data.getType().equals(DataType.DATE))
throw new IllegalArgumentException(
"DataType " + DataType.DATE + " expected, " + data.getType() + " received.");
Calendar cal = Calendar.getInstance();
cal.setTime((Date) data.getValue());
for (DateModifier dateModifier : getDateModifiers()) {
dateModifier.modify(cal, participant);
}
return DataBuilder.buildDate(cal.getTime());
}
