ReloadableResourceBundleMessageSource ms = new ReloadableResourceBundleMessageSource();
ms.setResourceLoader(cp.getResourceLoader());
ms.setBasenames(rbs.value());
log.info("Adding resource bundles [" + StringUtils.arrayToCommaDelimitedString(rbs.value())
+ "] defined in class " + configurerClass.getName());
cp.addValueSource(new MessageSourceValueSource(ms));
// TODO how do we know the properties were found?
}