/**
* Gets hotspotChoice child with given identifier or null.
*
* @param identifier given identifier
* @return hotspotChoice with given identifier or null
*/
public HotspotChoice getHotspotChoice(final Identifier identifier) {
for (final HotspotChoice choice : getHotspotChoices()) {
if (choice.getIdentifier() != null && choice.getIdentifier().equals(identifier)) {
return choice;
}
}
return null;
}
@Override
public boolean validateResponse(
final ItemSessionController itemSessionController, final Value responseValue) {
/* Extract response values */
final Set<Identifier> responseChoiceIdentifiers = new HashSet<Identifier>();
if (responseValue.isNull()) {
/* (Empty response) */
} else if (responseValue.getCardinality().isList()) {
/* (Container response) */
for (final SingleValue hotspotChoiceIdentifier : (ListValue) responseValue) {
responseChoiceIdentifiers.add(
((IdentifierValue) hotspotChoiceIdentifier).identifierValue());
}
} else {
/* (Single response - this won't actually happen) */
responseChoiceIdentifiers.add(((IdentifierValue) responseValue).identifierValue());
}
/* Chheck min/max (if set) */
final Integer maxChoices = getMaxChoices();
final Integer minChoices = getMinChoices();
if (maxChoices != null && minChoices != null) {
if (responseChoiceIdentifiers.size() < minChoices.intValue()
|| responseChoiceIdentifiers.size() > maxChoices.intValue()) {
return false;
}
}
/* Check that each identifier is valid */
final Set<Identifier> choiceIdentifiers = new HashSet<Identifier>();
for (final HotspotChoice choice : getHotspotChoices()) {
choiceIdentifiers.add(choice.getIdentifier());
}
for (final Identifier choiceIdentifier : responseChoiceIdentifiers) {
if (!choiceIdentifiers.contains(choiceIdentifier)) {
return false;
}
}
return true;
}