*            文字列(<code>null</code>可)
     * @param defaultStr
     *            引数の文字列が<code>null</code>だったら返す文字列(<code>null</code>可)
     * @return 引数の文字列を返します。引数の文字列が<code>null</code>だったら<code>defaultStr</code>
     *         を返します。
     */
    public static String defaultString(final String str, final String defaultStr) {
        return str == null ? defaultStr : str;
    }

    /**

        }
        list.add(text);
    }

    public List<String> getDefaultKeyword() {
        if (fieldLogMap != null) {
            return fieldLogMap.getOrDefault(Constants.DEFAULT_FIELD, Collections.emptyList());
        }
        return Collections.emptyList();
    }

    public void addHighlightedQuery(final String text) {
        if (highlightedQuerySet != null) {

        servletContext = config.getServletContext();

        encoding = config.getInitParameter(LastaPrepareFilter.ENCODING_KEY);
        if (encoding == null) {
            encoding = LastaPrepareFilter.DEFAULT_ENCODING;
        }

        // ex. sjis:Shift_JIS,eucjp:EUC-JP
        final String value = config.getInitParameter(ENCODING_MAP);
        if (StringUtil.isNotBlank(value)) {

    private static final String DELETE_OLD_DOCS = "delete_old_docs";

    private static final String KEEP_EXPIRES_DOCS = "keep_expires_docs";

    protected long crawlingExecutionInterval = Constants.DEFAULT_CRAWLING_EXECUTION_INTERVAL;

    protected int crawlerPriority = Thread.NORM_PRIORITY;

    protected final List<DataCrawlingThread> dataCrawlingThreadList = Collections.synchronizedList(new ArrayList<>());

        case 1:
            decode1byte(inData, num * 4, outData, num * 3);
            break;
        case 2:
            decode2byte(inData, num * 4, outData, num * 3);
            break;
        default:
            decode(inData, num * 4, outData, num * 3);
        }
        return outData;
    }

    private static void encode(final byte[] inData, final int inIndex, final char[] outData, final int outIndex) {

        }));
        if (!form.hasConditionQuery()) {
            if (StringUtil.isNotBlank(form.q)) {
                form.as.put("q", new String[] { form.q });
            } else {
                // TODO set default?
            }
        }
        return asHtml(virtualHost(path_AdvanceJsp)).renderWith(data -> {
            buildInitParams();

            if (form instanceof EditForm) {
                return ComponentUtil.getComponent(LabelTypeService.class).getLabelType(((EditForm) form).id);
            }
            break;
        default:
            break;
        }
        return OptionalEntity.empty();
    }

    public static OptionalEntity<LabelType> getLabelType(final CreateForm form) {

labels.search_log_enabled=検索ログ
labels.user_info_enabled=ユーザーログ
labels.user_favorite_enabled=お気に入りログ
labels.web_api_json_enabled=JSONレスポンス
labels.app_value=システムプロパティ
labels.default_label_value=デフォルトのラベル値
labels.default_sort_value=デフォルトのソート値
labels.virtual_host_value=仮想ホスト
labels.append_query_param_enabled=検索パラメーターの追加
labels.login_required=ログインが必要
labels.result_collapsed=重複結果の折り畳み
labels.login_link=ログインリンク表示

            if (form instanceof EditForm) {
                return ComponentUtil.getComponent(ProtwordsService.class).getProtwordsItem(form.dictId, ((EditForm) form).id);
            }
            break;
        default:
            break;
        }
        return OptionalEntity.empty();
    }

    protected OptionalEntity<ProtwordsItem> createProtwordsItem(final CreateForm form, final VaErrorHook hook) {
        try {

            if (form instanceof EditForm) {
                return ComponentUtil.getComponent(StemmerOverrideService.class).getStemmerOverrideItem(form.dictId, ((EditForm) form).id);
            }
            break;
        default:
            break;
        }
        return OptionalEntity.empty();
    }

    protected OptionalEntity<StemmerOverrideItem> createStemmerOverrideItem(final CreateForm form, final VaErrorHook hook) {