PropertyBoxSwaggerExtension.java 文件源码

/**
 * Check whether the given <code>method</code> return type is annotated with the {@link PropertySetRef} annotation.
 * @param method Method to inspect
 * @return Optional {@link PropertySetRef} annotation, if available
 */
private static Optional<PropertySetRef> getResponsePropertySet(Method method) {
    final AnnotatedType rt = method.getAnnotatedReturnType();
    if (rt != null) {
        if (rt.isAnnotationPresent(PropertySetRef.class)) {
            return Optional.of(rt.getAnnotation(PropertySetRef.class));
        }
        // check meta-annotations
        List<PropertySetRef> annotations = AnnotationUtils.getAnnotations(rt, PropertySetRef.class);
        if (!annotations.isEmpty()) {
            return Optional.ofNullable(annotations.get(0));
        }
    }
    return Optional.empty();
}