| `FessMessages` | `org.codelibs.fess.mylasta.action` | Message constants (auto-generated) |
| `LanguageHelper` | `org.codelibs.fess.helper` | Language detection and validation |
| `SystemHelper` | `org.codelibs.fess.helper` | UI language dropdown builder |
| `FessUserLocaleProcessProvider` | `org.codelibs.fess.mylasta.direction.sponsor` | User locale detection |

## Language Detection and Selection

        fessConfig.logNotificationEnabled = true;
        fessConfig.hasNotification = true;
        ComponentUtil.setFessConfig(fessConfig);

        ComponentUtil.register(new SystemHelper(), "systemHelper");
        ComponentUtil.register(new SearchEngineClient() {
            @Override
            public boolean existsIndex(final String indexName) {
                return false;
            }

     */
    public void search(final SearchRequestParams searchRequestParams, final SearchRenderData data,
            final OptionalThing<FessUserBean> userBean) {
        final SystemHelper systemHelper = ComponentUtil.getSystemHelper();
        final long startTime = systemHelper.getCurrentTimeAsLong();
        final long requestedTime = startTime;

        final SearchRequestParams params = rewrite(searchRequestParams);

     * @return The bad word.
     */
    public static OptionalEntity<BadWord> getBadWord(final CreateForm form) {
        final SystemHelper systemHelper = ComponentUtil.getSystemHelper();
        final String username = systemHelper.getUsername();
        final long currentTime = systemHelper.getCurrentTimeAsLong();
        return getEntity(form, username, currentTime).map(entity -> {
            entity.setUpdatedBy(username);

     */
    public static OptionalEntity<RequestHeader> getRequestHeader(final CreateForm form) {
        final SystemHelper systemHelper = ComponentUtil.getSystemHelper();
        final String username = systemHelper.getUsername();
        final long currentTime = systemHelper.getCurrentTimeAsLong();
        return getEntity(form, username, currentTime).map(entity -> {
            entity.setUpdatedBy(username);

     */
    public static OptionalEntity<FileAuthentication> getFileAuthentication(final CreateForm form) {
        final SystemHelper systemHelper = ComponentUtil.getSystemHelper();
        final String username = systemHelper.getUsername();
        final long currentTime = systemHelper.getCurrentTimeAsLong();
        return getEntity(form, username, currentTime).map(entity -> {
            entity.setUpdatedBy(username);

    @Override
    protected void setUp(TestInfo testInfo) throws Exception {
        super.setUp(testInfo);
        keyMatchHelper = new KeyMatchHelper();
        ComponentUtil.register(new SystemHelper(), "systemHelper");
        ComponentUtil.register(new VirtualHostHelper(), "virtualHostHelper");
    }

    @Test
    public void test_init() {
        try {
            keyMatchHelper.init();

         */
        public LabelTypePattern(final String value, final String includedPaths, final String excludedPaths) {
            this.value = value;

            final SystemHelper systemHelper = ComponentUtil.getSystemHelper();
            if (StringUtil.isNotBlank(includedPaths)) {
                final StringBuilder buf = new StringBuilder(100);
                char split = 0;

	</component>
	<component name="virtualHostHelper" class="org.codelibs.fess.helper.VirtualHostHelper">
	</component>
	<component name="systemHelper" class="org.codelibs.fess.helper.SystemHelper">
		<postConstruct name="addDesignJspFileName">
			<arg>"index"</arg>
			<arg>"index.jsp"</arg>
		</postConstruct>
		<postConstruct name="addDesignJspFileName">
			<arg>"header"</arg>

        final SystemHelper systemHelper = ComponentUtil.getSystemHelper();
        systemHelper.refreshDesignJspFiles();
        systemHelper.updateSystemProperties();

        if (StringUtil.isNotBlank(form.logLevel)) {
            systemHelper.setLogLevel(form.logLevel);
        }
        if (StringUtil.isNotBlank(form.llmLogLevel)) {
            systemHelper.setLlmLogLevel(form.llmLogLevel);
        }