@NotNull
private static <S> PackagingElement<S> copyElement(
@NotNull PackagingElement<S> element, @NotNull Project project) {
//noinspection unchecked
final PackagingElement<S> copy = (PackagingElement<S>) element.getType().createEmpty(project);
copy.loadState(element.getState());
return copy;
}
private static Element serializePackagingElement(PackagingElement<?> packagingElement) {
Element element = new Element(PACKAGING_ELEMENT_NAME);
element.setAttribute(TYPE_ID_ATTRIBUTE, packagingElement.getType().getId());
final Object bean = packagingElement.getState();
if (bean != null) {
XmlSerializer.serializeInto(bean, element, new SkipDefaultValuesSerializationFilters());
}
if (packagingElement instanceof CompositePackagingElement) {
for (PackagingElement<?> child :
((CompositePackagingElement<?>) packagingElement).getChildren()) {
element.addContent(serializePackagingElement(child));
}
}
return element;
}
private <T> PackagingElement<T> deserializeElement(Element element)
throws UnknownPackagingElementTypeException {
final String id = element.getAttributeValue(TYPE_ID_ATTRIBUTE);
PackagingElementType<?> type = PackagingElementFactory.getInstance().findElementType(id);
if (type == null) {
throw new UnknownPackagingElementTypeException(id);
}
PackagingElement<T> packagingElement = (PackagingElement<T>) type.createEmpty(myProject);
T state = packagingElement.getState();
if (state != null) {
XmlSerializer.deserializeInto(state, element);
packagingElement.loadState(state);
}
final List children = element.getChildren(PACKAGING_ELEMENT_NAME);
//noinspection unchecked
for (Element child : (List<? extends Element>) children) {
((CompositePackagingElement<?>) packagingElement).addOrFindChild(deserializeElement(child));
}
return packagingElement;
}