JavaReflectionUtil.java 文件源码

private static <A extends Annotation> A getAnnotation(Class<?> type, Class<A> annotationType, boolean checkType) {
    A annotation;
    if (checkType) {
        annotation = type.getAnnotation(annotationType);
        if (annotation != null) {
            return annotation;
        }
    }

    if (annotationType.getAnnotation(Inherited.class) != null) {
        for (Class<?> anInterface : type.getInterfaces()) {
            annotation = getAnnotation(anInterface, annotationType, true);
            if (annotation != null) {
                return annotation;
            }
        }
    }

    if (type.isInterface() || type.equals(Object.class)) {
        return null;
    } else {
        return getAnnotation(type.getSuperclass(), annotationType, false);
    }
}