private void cleanupEmptyContainers(PrismContainer container) {
List<PrismContainerValue> values = container.getValues();
List<PrismContainerValue> valuesToBeRemoved = new ArrayList<PrismContainerValue>();
for (PrismContainerValue value : values) {
List<? extends Item> items = value.getItems();
if (items != null) {
Iterator<? extends Item> iterator = items.iterator();
while (iterator.hasNext()) {
Item item = iterator.next();
if (item instanceof PrismContainer) {
cleanupEmptyContainers((PrismContainer) item);
if (item.isEmpty()) {
iterator.remove();
}
}
}
}
if (items == null || value.isEmpty()) {
valuesToBeRemoved.add(value);
}
}
container.removeAll(valuesToBeRemoved);
}
private <C extends Containerable> void serializeContainerValue(
MapXNode xmap,
PrismContainerValue<C> containerVal,
PrismContainerDefinition<C> containerDefinition,
SerializationContext ctx)
throws SchemaException {
Long id = containerVal.getId();
if (id != null) {
xmap.put(XNode.KEY_CONTAINER_ID, createPrimitiveXNodeAttr(id, DOMUtil.XSD_LONG));
}
if (containerVal.getConcreteType() != null) {
xmap.setTypeQName(containerVal.getConcreteType());
xmap.setExplicitTypeDeclaration(true);
}
Collection<QName> serializedItems = new ArrayList<>();
if (containerDefinition != null) {
// We have to serialize in the definition order. Some data formats (XML) are
// ordering-sensitive. We need to keep that ordering otherwise the resulting
// document won't pass schema validation
for (ItemDefinition itemDef : containerDefinition.getDefinitions()) {
QName elementName = itemDef.getName();
Item<?, ?> item = containerVal.findItem(elementName);
if (item != null) {
XNode xsubnode = serializeItem(item, ctx);
xmap.put(elementName, xsubnode);
serializedItems.add(elementName);
}
}
}
// There are some cases when we do not have list of all elements in a container.
// E.g. in run-time schema. Therefore we must also iterate over items and not just item
// definitions.
if (containerVal.getItems() != null) {
for (Item<?, ?> item : containerVal.getItems()) {
QName elementName = item.getElementName();
if (serializedItems.contains(elementName)) {
continue;
}
XNode xsubnode = serializeItem(item, ctx);
xmap.put(elementName, xsubnode);
}
}
}