public static void setError(final int statusCode, final String message) {
        LaRequestUtil.getOptionalRequest().ifPresent(req -> req.setAttribute(WEB_API_EXCEPTION, new WebApiException(statusCode, message)));
    }

    public static void setError(final int statusCode, final Exception e) {
        LaRequestUtil.getOptionalRequest().ifPresent(req -> req.setAttribute(WEB_API_EXCEPTION, new WebApiException(statusCode, e)));
    }

        stream(tags).of(stream -> stream.sorted().reduce((l, r) -> l + r).ifPresent(v -> buf.append(v)));
        buf.append(CACHE_KEY_SPLITTER);
        stream(roles).of(stream -> stream.sorted().reduce((l, r) -> l + r).ifPresent(v -> buf.append(v)));
        buf.append(CACHE_KEY_SPLITTER);
        stream(fields).of(stream -> stream.sorted().reduce((l, r) -> l + r).ifPresent(v -> buf.append(v)));
        buf.append(CACHE_KEY_SPLITTER);

                    .ifPresent(e -> params.put(Constants.SCHEDULED_JOB, e)).orElse(() -> {
                        logger.warn("Job {} is not found.", scheduledJob.getId());
                    });
            return params;
        };
        findJobByUniqueOf(LaJobUnique.of(id)).ifPresent(job -> {
            if (!job.isUnscheduled()) {

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

    @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) {

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

    public void delete(final String dictId, final KuromojiItem kuromojiItem) {
        getKuromojiFile(dictId).ifPresent(file -> {
            file.delete(kuromojiItem);

        ComponentUtil.getJobManager().findJobByUniqueOf(LaJobUnique.of(getId())).ifPresent(job -> {
            job.launchNow();
        }).orElse(() -> {
            throw new JobNotFoundException(this);
        });
    }

    public void stop() {
        ComponentUtil.getJobManager().findJobByUniqueOf(LaJobUnique.of(getId())).ifPresent(job -> {
            job.stopNow();
        }).orElse(() -> {

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

    public void delete(final String dictId, final CharMappingItem charMappingItem) {
        getCharMappingFile(dictId).ifPresent(file -> {
            file.delete(charMappingItem);

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

    public void delete(final String dictId, final ProtwordsItem protwordsItem) {
        getProtwordsFile(dictId).ifPresent(file -> {
            file.delete(protwordsItem);

        return getStemmerOverrideFile(dictId).map(file -> file.get(id).get());
    }

    public void store(final String dictId, final StemmerOverrideItem stemmerOvberrideItem) {
        getStemmerOverrideFile(dictId).ifPresent(file -> {
            if (stemmerOvberrideItem.getId() == 0) {
                file.insert(stemmerOvberrideItem);
            } else {
                file.update(stemmerOvberrideItem);
            }
        });

            parser.parse(new InputSource(is));
        }
        parser.getWebConfig().ifPresent(c -> {
            logger.debug(c.toString());
        }).orElse(() -> fail());
        parser.getFileConfig().ifPresent(c -> {
            logger.debug(c.toString());
        }).orElse(() -> fail());
        LabelType[] labelTypes = parser.getLabelTypes();