Gets all fields with a specific annotation on the field or the getter

I need to use some way to get all fields that are annotated with a specific annotation. The annotation may be at the field or the getter (of a super class), like

public MyClass {

    @MyAnnotation
    String myName;

    int myAge;

    @MyAnnotation
    int getMyAge() { return myAge; }
}

So I need Field[] getAllAnnotatedFields(MyClass.class, MyAnnotation.class).

I could write that method on my own, but I wonder, if there exists some util method. (I cannot found one in Apache commons, Guava or Google reflections).