class VersioningUtils {

    public static final Boolean isUntagged(String appName) 
            throws VersioningSyntaxException {

        Boolean isUntagged = false;
        String untaggedName = VersioningUtils.getUntaggedName(appName);
        if (untaggedName != null && untaggedName.equals(appName)) {
            isUntagged = true;
        }
        return isUntagged;
    }

}