.ifPresent(s -> entry.put(new BasicAttribute(fessConfig.getLdapAttrSurname(), s)));
        OptionalUtil.ofNullable(user.getGivenName()).filter(StringUtil::isNotBlank)
                .ifPresent(s -> entry.put(new BasicAttribute(fessConfig.getLdapAttrGivenName(), s)));
        OptionalUtil.ofNullable(user.getMail()).filter(StringUtil::isNotBlank)

    @Execute
    @Secured({ ROLE, ROLE + VIEW })
    public HtmlResponse list(final OptionalThing<Integer> pageNumber, final SearchForm form) {
        validate(form, messages -> {}, this::asDictIndexHtml);
        pageNumber.ifPresent(num -> {
            protwordsPager.setCurrentPageNumber(pageNumber.get());
        }).orElse(() -> {
            protwordsPager.setCurrentPageNumber(0);
        });

    @Execute
    @Secured({ ROLE, ROLE + VIEW })
    public HtmlResponse list(final OptionalThing<Integer> pageNumber, final SearchForm form) {
        validate(form, messages -> {}, this::asDictIndexHtml);
        pageNumber.ifPresent(num -> {
            stemmerOverridePager.setCurrentPageNumber(pageNumber.get());
        }).orElse(() -> {
            stemmerOverridePager.setCurrentPageNumber(0);
        });

    @Execute
    @Secured({ ROLE, ROLE + VIEW })
    public HtmlResponse list(final OptionalThing<Integer> pageNumber, final SearchForm form) {
        validate(form, messages -> {}, this::asDictIndexHtml);
        pageNumber.ifPresent(num -> {
            kuromojiPager.setCurrentPageNumber(pageNumber.get());
        }).orElse(() -> {
            kuromojiPager.setCurrentPageNumber(0);
        });

        return asListHtml();
    }

    @Execute
    @Secured({ ROLE, ROLE + VIEW })
    public HtmlResponse list(final OptionalThing<Integer> pageNumber, final SearchForm form) {
        pageNumber.ifPresent(num -> {
            labelTypePager.setCurrentPageNumber(pageNumber.get());
        }).orElse(() -> {
            labelTypePager.setCurrentPageNumber(0);
        });

    //                                                                      ==============

    @Execute
    public HtmlResponse index() {
        getSession().ifPresent(session -> session.removeAttribute(INVALID_OLD_PASSWORD));
        return asIndexPage(null).useForm(LoginForm.class);
    }

    private HtmlResponse asIndexPage(final LoginForm form) {
        if (form != null) {

        getSynonymFile(dictId).ifPresent(file -> {
            if (synonymItem.getId() == 0) {
                file.insert(synonymItem);
            } else {
                file.update(synonymItem);
            }
        });
    }

    public void delete(final String dictId, final SynonymItem synonymItem) {
        getSynonymFile(dictId).ifPresent(file -> {
            file.delete(synonymItem);
        });

        return asListHtml();
    }

    @Execute
    @Secured({ ROLE, ROLE + VIEW })
    public HtmlResponse list(final OptionalThing<Integer> pageNumber, final SearchForm form) {
        pageNumber.ifPresent(num -> {
            userPager.setCurrentPageNumber(pageNumber.get());
        }).orElse(() -> {
            userPager.setCurrentPageNumber(0);
        });

        return asListHtml();
    }

    @Execute
    @Secured({ ROLE, ROLE + VIEW })
    public HtmlResponse list(final OptionalThing<Integer> pageNumber, final SearchForm form) {
        pageNumber.ifPresent(num -> {
            groupPager.setCurrentPageNumber(pageNumber.get());
        }).orElse(() -> {
            groupPager.setCurrentPageNumber(0);
        });

    @Execute
    @Secured({ ROLE, ROLE + VIEW })
    public HtmlResponse list(final OptionalThing<Integer> pageNumber, final SearchForm form) {
        validate(form, messages -> {}, this::asDictIndexHtml);
        pageNumber.ifPresent(num -> {
            stopwordsPager.setCurrentPageNumber(pageNumber.get());
        }).orElse(() -> {
            stopwordsPager.setCurrentPageNumber(0);
        });