switch (getFormatType(request)) {
        case SEARCH:
            processSearchRequest(request, response, chain);
            break;
        case LABEL:
            processLabelRequest(request, response, chain);
            break;
        case POPULARWORD:
            processPopularWordRequest(request, response, chain);
            break;
        case FAVORITE:

        String httpAddress = SystemUtil.getSearchEngineHttpAddress();
        if (StringUtil.isBlank(httpAddress) && (runner == null)) {
            switch (fessConfig.getFesenType()) {
            case Constants.FESEN_TYPE_CLOUD:
            case Constants.FESEN_TYPE_AWS:
                httpAddress = org.codelibs.fess.util.ResourceUtil.getFesenHttpUrl();
                break;
            default:

                final String[] values = key.split("_");
                switch (values.length) {
                case 1:
                    return new Locale(values[0]);
                case 2:
                    return new Locale(values[0], values[1]);
                case 3:
                    return new Locale(values[0], values[1], values[2]);
                default:
                    break;