public final <T> T createStableValue(final Factory<T> provider, final Condition<T> validator) {
final T initial = provider.create();
assert initial != null;
final StableInvocationHandler handler =
new StableInvocationHandler<T>(initial, provider, validator);
final Set<Class> intf = new HashSet<Class>();
ContainerUtil.addAll(intf, initial.getClass().getInterfaces());
intf.add(StableElement.class);
//noinspection unchecked
return (T)
AdvancedProxy.createProxy(
initial.getClass().getSuperclass(), intf.toArray(new Class[intf.size()]), handler);
}
@Nullable
public static DomInvocationHandler getDomInvocationHandler(DomElement proxy) {
if (proxy instanceof DomFileElement) {
return null;
}
if (proxy instanceof DomInvocationHandler) {
return (DomInvocationHandler) proxy;
}
final InvocationHandler handler = AdvancedProxy.getInvocationHandler(proxy);
if (handler instanceof StableInvocationHandler) {
final DomElement element =
((StableInvocationHandler<DomElement>) handler).getWrappedElement();
return element == null ? null : getDomInvocationHandler(element);
}
if (handler instanceof DomInvocationHandler) {
return (DomInvocationHandler) handler;
}
return null;
}
public static StableInvocationHandler getStableInvocationHandler(Object proxy) {
return (StableInvocationHandler) AdvancedProxy.getInvocationHandler(proxy);
}
