Method setLanguage

forge-core/src/main/java/forge/util/Localizer.java:142–174

(final String languageRegionID, final String languagesDirectory)

    }

    public void setLanguage(final String languageRegionID, final String languagesDirectory) {
        String[] splitLocale = languageRegionID.split("-");

        Locale oldLocale = locale;
        locale = new Locale(splitLocale[0], splitLocale[1]);

        //Don't reload the language if nothing changed
        if (oldLocale == null || !oldLocale.equals(locale)) {
            File file = new File(languagesDirectory);
            URL[] urls = null;

            try {
                urls = new URL[] { file.toURI().toURL() };
            } catch (MalformedURLException e) {
                e.printStackTrace();
            }

            ClassLoader loader = new URLClassLoader(urls);

            try {
                resourceBundle = ResourceBundle.getBundle(languageRegionID, new Locale(splitLocale[0], splitLocale[1]), loader);
                englishBundle = ResourceBundle.getBundle("en-US", new Locale("en", "US"), loader);
            } catch (NullPointerException | MissingResourceException e) {
                //If the language can't be loaded, default to US English
                resourceBundle = ResourceBundle.getBundle("en-US", new Locale("en_US"), loader);
                e.printStackTrace();
            }

            System.out.println("Language '" + resourceBundle.getBaseBundleName() + "' loaded successfully.");

            notifyObservers();
        }
    }

    public void registerObserver(LocalizationChangeObserver observer) {
        observers.add(observer);