ClasspathUrlFinder finder = new ClasspathUrlFinder(); URL[] urls = finder.getUrls(); AnnotationDB db = new AnnotationDB(); db.scanArchives(urls); Set<String> annotatedClasses = db.getAnnotationIndex().get(annotationName); Set<String> subTypes = db.getSubTypesOf(superClassName); Set<String> implementers = db.getImplementersOf(interfaceName);