RESTService.java 文件源码

private static <T> boolean isProvider(final Class<T> clazz) {
    return MessageBodyReader.class.isAssignableFrom(clazz) ||
            MessageBodyWriter.class.isAssignableFrom(clazz) ||
            ParamConverter.class.isAssignableFrom(clazz) ||
            ContainerRequestFilter.class.isAssignableFrom(clazz) ||
            ContainerResponseFilter.class.isAssignableFrom(clazz) ||
            ReaderInterceptor.class.isAssignableFrom(clazz) ||
            WriterInterceptor.class.isAssignableFrom(clazz) ||
            ParamConverterProvider.class.isAssignableFrom(clazz) ||
            ContextResolver.class.isAssignableFrom(clazz) ||
            new MetaAnnotatedClass<>(clazz).isAnnotationPresent(Provider.class);
}