private void checkManagedWebBeansInterceptorConditions()

in webbeans-impl/src/main/java/org/apache/webbeans/util/WebBeansUtil.java [1312:1366]
47 lines of code
14 McCabe index (conditional complexity)

    private <X> void checkManagedWebBeansInterceptorConditions(AnnotatedType<X> type)
    {
        Annotation[] anns = AnnotationUtil.asArray(type.getAnnotations());

        Class<?> clazz = type.getJavaClass();
        boolean hasClassInterceptors = false;
        AnnotationManager annotationManager = webBeansContext.getAnnotationManager();
        if (annotationManager.getInterceptorBindingMetaAnnotations(anns).length > 0)
        {
            hasClassInterceptors = true;
        }
        else
        {
            Annotation[] stereoTypes = annotationManager.getStereotypeMetaAnnotations(anns);
            for (Annotation stero : stereoTypes)
            {
                if (annotationManager.hasInterceptorBindingMetaAnnotation(stero.annotationType().getDeclaredAnnotations()))
                {
                    hasClassInterceptors = true;
                    break;
                }
            }
        }

        if(Modifier.isFinal(clazz.getModifiers()) && hasClassInterceptors)
        {
            // spec section 3.15 unproxyable bean types -> Deployment Error
            throw new WebBeansDeploymentException("Final managed bean class with name : " + clazz.getName() + " can not define any InterceptorBindings");
        }

        Set<AnnotatedMethod<? super X>> methods = webBeansContext.getAnnotatedElementFactory().getFilteredAnnotatedMethods(type);
        for(AnnotatedMethod<? super X> methodA : methods)
        {
            Method method = methodA.getJavaMember();
            int modifiers = method.getModifiers();
            if (!method.isSynthetic() && !method.isBridge() && !Modifier.isStatic(modifiers) && !Modifier.isPrivate(modifiers) && Modifier.isFinal(modifiers))
            {
                if (hasClassInterceptors)
                {
                    // spec section 3.15 unproxyable bean types -> Deployment Error
                    throw new WebBeansDeploymentException("Managed bean class : " + clazz.getName()
                                                    + " can not define non-static, non-private final methods. Because it is annotated with at least one @InterceptorBinding");
                }

                if (annotationManager.hasInterceptorBindingMetaAnnotation(
                    AnnotationUtil.asArray(methodA.getAnnotations())))
                {
                    // spec section 3.15 unproxyable bean types -> Deployment Error
                    throw new WebBeansDeploymentException("Method : " + method.getName() + "in managed bean class : " + clazz.getName()
                                                    + " can not be defined as non-static, non-private and final . Because it is annotated with at least one @InterceptorBinding");
                }
            }

        }
    }