private static Class<?> extractClass(Class<?> ownerClass, Type arg) { if (arg instanceof ParameterizedType) { return extractClass(ownerClass, ((ParameterizedType) arg).getRawType()); } else if (arg instanceof GenericArrayType) { throw new UnsupportedOperationException("GenericArray types are not supported."); } else if (arg instanceof TypeVariable) { throw new UnsupportedOperationException("GenericArray types are not supported."); } return (arg instanceof Class ? (Class<?>) arg : Object.class); }
classes.add(extractClass(ownerClass, aType));