public static final synchronized StringManager getManager()

in src/main/java/org/apache/tomcat/jakartaee/StringManager.java [224:257]

• 24 lines of code
• 4 McCabe index (conditional complexity)

    public static final synchronized StringManager getManager(
            String packageName, Locale locale) {

        Map<Locale,StringManager> map = managers.get(packageName);
        if (map == null) {
            /*
             * Don't want the HashMap to be expanded beyond LOCALE_CACHE_SIZE.
             * Expansion occurs when size() exceeds capacity. Therefore keep
             * size at or below capacity.
             * removeEldestEntry() executes after insertion therefore the test
             * for removal needs to use one less than the maximum desired size
             *
             */
            map = new LinkedHashMap<Locale,StringManager>(LOCALE_CACHE_SIZE, 1, true) {
                private static final long serialVersionUID = 1L;
                @Override
                protected boolean removeEldestEntry(
                        Map.Entry<Locale,StringManager> eldest) {
                    if (size() > (LOCALE_CACHE_SIZE - 1)) {
                        return true;
                    }
                    return false;
                }
            };
            managers.put(packageName, map);
        }

        StringManager mgr = map.get(locale);
        if (mgr == null) {
            mgr = new StringManager(packageName, locale);
            map.put(locale, mgr);
        }
        return mgr;
    }