public T findAnnotation()

in safeguard-impl/src/main/java/org/apache/safeguard/impl/annotation/AnnotationFinder.java [46:78]

30 lines of code
6 McCabe index (conditional complexity)


    public <T extends Annotation> T findAnnotation(final Class<T> type, final AnnotatedType<?> declaringClass,
                                                   final Method method) {
        final Set<AnnotatedMethod<?>> methods = (Set<AnnotatedMethod<?>>) declaringClass.getMethods();

        // first test on the class method directly
        final Optional<AnnotatedMethod<?>> classMethod = getDirectMethod(declaringClass, method, methods);
        if (classMethod.isPresent()) {
            final T methodAnnotation = getMethodAnnotation(type, classMethod);
            if (methodAnnotation != null) {
                return methodAnnotation;
            }
        } else { // then on the parent methods
            final Optional<AnnotatedMethod<?>> parentMethod = getParentMethod(declaringClass, method, methods);
            final T annotation = getMethodAnnotation(type, parentMethod);
            if (annotation != null) {
                return annotation;
            }
        }
        { // then on the class
            final T annotation = getFromDirectClass(type, declaringClass);
            if (annotation != null) {
                return annotation;
            }
        }
        { // then on the parent class
            final T annotation = getFromParentClass(type, declaringClass);
            if (annotation != null) {
                return annotation;
            }
        }
        // just a fallback, we should never end up here
        return getByReflection(type, declaringClass, method);
    }