throw new InvalidArtifactRTException(
                    groupId, artifactId, getVersion(), type, "The version cannot be empty.");
        }
    }

    private boolean empty(String value) {
        return (value == null) || (value.trim().length() < 1);
    }

    @Override
    public String getClassifier() {
        return classifier;
    }

    @Override
    public boolean hasClassifier() {