public static void removeDuplicates(@NotNull CompositePackagingElement<?> parent) {
List<PackagingElement<?>> prevChildren = new ArrayList<PackagingElement<?>>();
List<PackagingElement<?>> toRemove = new ArrayList<PackagingElement<?>>();
for (PackagingElement<?> child : parent.getChildren()) {
if (child instanceof CompositePackagingElement<?>) {
removeDuplicates((CompositePackagingElement<?>) child);
}
boolean merged = false;
for (PackagingElement<?> prevChild : prevChildren) {
if (child.isEqualTo(prevChild)) {
if (child instanceof CompositePackagingElement<?>) {
for (PackagingElement<?> childElement :
((CompositePackagingElement<?>) child).getChildren()) {
((CompositePackagingElement<?>) prevChild).addOrFindChild(childElement);
}
}
merged = true;
break;
}
}
if (merged) {
toRemove.add(child);
} else {
prevChildren.add(child);
}
}
for (PackagingElement<?> child : toRemove) {
parent.removeChild(child);
}
}
@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 <E extends PackagingElement<?>> boolean processElementRecursively(
@NotNull PackagingElement<?> element,
@Nullable PackagingElementType<E> type,
@NotNull PackagingElementProcessor<? super E> processor,
@NotNull PackagingElementResolvingContext resolvingContext,
final boolean processSubstitutions,
ArtifactType artifactType,
@NotNull PackagingElementPath path,
Set<PackagingElement<?>> processed) {
if (!processor.shouldProcess(element) || !processed.add(element)) {
return true;
}
if (type == null || element.getType().equals(type)) {
if (!processor.process((E) element, path)) {
return false;
}
}
if (element instanceof CompositePackagingElement<?>) {
final CompositePackagingElement<?> composite = (CompositePackagingElement<?>) element;
return processElementsRecursively(
composite.getChildren(),
type,
processor,
resolvingContext,
processSubstitutions,
artifactType,
path.appendComposite(composite),
processed);
} else if (element instanceof ComplexPackagingElement<?> && processSubstitutions) {
final ComplexPackagingElement<?> complexElement = (ComplexPackagingElement<?>) element;
if (processor.shouldProcessSubstitution(complexElement)) {
final List<? extends PackagingElement<?>> substitution =
complexElement.getSubstitution(resolvingContext, artifactType);
if (substitution != null) {
return processElementsRecursively(
substitution,
type,
processor,
resolvingContext,
processSubstitutions,
artifactType,
path.appendComplex(complexElement),
processed);
}
}
}
return true;
}