public static Optional validateUserRequest()

in function/java11/src/main/java/com/amazon/s3objectlambda/request/RequestValidator.java [19:27]

• 8 lines of code
• 3 McCabe index (conditional complexity)

    public static Optional<String> validateUserRequest(S3ObjectLambdaEvent.UserRequest userRequest) {
        var range = getRange(userRequest);
        var partNumber = getPartNumber(userRequest);

        if (range != null && partNumber != null) {
            return Optional.of("Cannot specify both Range header and partNumber query parameter");
        }
        return Optional.empty();
    }