@Nullable
private DomExtensionsRegistrarImpl runDomExtenders() {
DomExtensionsRegistrarImpl registrar = null;
final DomElement domElement = myInvocationHandler.getProxy();
final Project project = myInvocationHandler.getManager().getProject();
for (final DomExtenderEP extenderEP : Extensions.getExtensions(DomExtenderEP.EP_NAME)) {
registrar = extenderEP.extend(project, domElement, registrar);
}
final AbstractDomChildDescriptionImpl description = myInvocationHandler.getChildDescription();
if (description != null) {
final List<DomExtender> extenders =
description.getUserData(DomExtensionImpl.DOM_EXTENDER_KEY);
if (extenders != null) {
if (registrar == null) registrar = new DomExtensionsRegistrarImpl();
for (final DomExtender extender : extenders) {
//noinspection unchecked
extender.registerExtensions(domElement, registrar);
}
}
}
return registrar;
}
