extensions/struts2/src/com/google/inject/struts2/Struts2Factory.java
private static boolean hasScope(Class<? extends Interceptor> interceptorClass) {
    for (Annotation annotation : interceptorClass.getAnnotations()) {
      if (Annotations.isScopeAnnotation(annotation.annotationType())) {
        return true;
      }
    }
    return false;
  }
private static boolean hasScope(Class<? extends Interceptor> interceptorClass) {
    for (Annotation annotation : interceptorClass.getAnnotations()) {
      if (Annotations.isScopeAnnotation(annotation.annotationType())) {
        return true;
      }
    }
    return false;
  }
Returns true if the given class has a scope annotation.