private static String getValidLanguage()

in src/main/java/org/apache/sling/i18n/impl/JcrResourceBundleProvider.java [768:775]

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

    private static String getValidLanguage(String lang) {
        for (String validLang : Locale.getISOLanguages()) {
            if (validLang.equalsIgnoreCase(lang)) {
                return lang;
            }
        }
        return Locale.getDefault().getLanguage();
    }