}
    }

    protected HtmlResponse doMove(final SearchForm form, final int move) {
        int start = fessConfig.getPagingSearchPageStartAsInteger();
        if (form.pn != null) {
            int pageNumber = form.pn;
            if (pageNumber > 0) {
                pageNumber = pageNumber + move;
                if (pageNumber < 1) {
                    pageNumber = 1;
                }

        if (list.isEmpty()) {
            return null;
        }
        if (list.size() >= 2) {
            String msg = "The size of selected list is over 1: " + list.size();
            throw new FetchingOverSafetySizeException(msg, 1); // immediately caught by caller and translated
        }
        return list.get(0);
    }

    @Override

                }

                if (emptyListCount >= maxEmptyListCount) {
                    if (logger.isInfoEnabled()) {
                        logger.info("Terminating indexUpdater. emptyListCount is over {}.", maxEmptyListCount);
                    }
                    // terminate crawling
                    finishCrawling = true;
                    forceStop();

    @Secured({ ROLE, ROLE + VIEW })
    public HtmlResponse move(final ListForm form) {
        saveToken();
        return doMove(form, 0);
    }

    protected HtmlResponse doMove(final ListForm form, final int move) {
        form.initialize();
        Integer pageNumber = form.pn;
        if (pageNumber != null && pageNumber > 0) {
            pageNumber = pageNumber + move;
            if (pageNumber < 1) {

                                    // ignore
                                }
                                Files.move(path, newPath);
                                logger.info("Move {} to {}", path, newPath);
                            } catch (final IOException e) {
                                logger.warn("Failed to move {}", path, e);
                            }
                        }
                    }
                });

        if (list.isEmpty()) {
            return null;
        }
        if (list.size() >= 2) {
            String msg = "The size of selected list is over 1: " + list.size();
            throw new FetchingOverSafetySizeException(msg, 1); // immediately caught by caller and translated
        }
        return list.get(0);
    }

    @Override

    public static final String LABELS_search_result_status_over = "{labels.search_result_status_over}";

    /** The key of the message: ({0} sec) */
    public static final String LABELS_search_result_time = "{labels.search_result_time}";

    /** The key of the message: Prev */

        if (list.isEmpty()) {
            return null;
        }
        if (list.size() >= 2) {
            String msg = "The size of selected list is over 1: " + list.size();
            throw new FetchingOverSafetySizeException(msg, 1); // immediately caught by caller and translated
        }
        return list.get(0);
    }

    @Override