ClassLoaderInterface classLoaderInterface = null;
ActionContext ctx = ActionContext.getContext();
if (ctx != null)
classLoaderInterface = (ClassLoaderInterface) ctx.get(ClassLoaderInterface.CLASS_LOADER_INTERFACE);
return (ClassLoaderInterface) ObjectUtils.defaultIfNull(classLoaderInterface, new ClassLoaderInterfaceDelegate(Thread.currentThread().getContextClassLoader()));
}