return roleSet;
    }

    public void test_buildByParameter() {
        final RoleQueryHelper roleQueryHelperImpl = new RoleQueryHelper() {
            protected long getCurrentTime() {
                return System.currentTimeMillis();
            }
        };

        Set<String> roleSet;

        roleSet = buildByParameter(roleQueryHelperImpl, getMockRequest());

        }

        if (valueSeparator.length() > 0) {
            final String[] values = rolesStr.split(valueSeparator);
            if (maxAge > 0) {
                try {
                    final long time = getCurrentTime() / 1000 - Long.parseLong(values[0]);
                    if (time > maxAge || time < 0) {
                        if (logger.isDebugEnabled()) {

     */
    protected StringBuilder appendTimestamp(final StringBuilder buf) {
        final SystemHelper systemHelper = ComponentUtil.getSystemHelper();
        append(buf, "timestamp", () -> FessFunctions.formatDate(systemHelper.getCurrentTime()));
        return buf;
    }

    /**
     * Appends exception information to the buffer.
     *
     * @param buf the string buffer to append to
     * @param exception the exception to append

        final String indexFieldLang = fessConfig.getIndexFieldLang();
        final List<String> guestRoleList = fessConfig.getSearchGuestRoleList();
        final Date now = systemHelper.getCurrentTime();
        final CrawlingInfoHelper crawlingInfoHelper = ComponentUtil.getCrawlingInfoHelper();
        final LanguageHelper languageHelper = ComponentUtil.getLanguageHelper();

        // segment
        defaultDataMap.put(fessConfig.getIndexFieldSegment(), initParamMap.getAsString(Constants.SESSION_ID));
        // created
        defaultDataMap.put(fessConfig.getIndexFieldCreated(), systemHelper.getCurrentTime());
        // boost
        defaultDataMap.put(fessConfig.getIndexFieldBoost(), config.getBoost().toString());
        // label: labelType
        // role: roleType

        monitorTarget = new TestMonitorTarget();

        // Setup SystemHelper with a fixed timestamp for testing
        systemHelper = new SystemHelper() {
            @Override
            public Date getCurrentTime() {
                return new Date(1609459200000L); // 2021-01-01 00:00:00 UTC
            }
        };
        ComponentUtil.register(systemHelper, "systemHelper");
    }

    @Override

        validate(form, messages -> {}, this::asIndexHtml);
        verifyTokenKeep(this::asIndexHtml);

        final String diagnosticId = "log" + new SimpleDateFormat("yyyyMMddHHmm").format(ComponentUtil.getSystemHelper().getCurrentTime());
        return asStream(diagnosticId + ".zip").contentTypeOctetStream().stream(out -> {
            try (ZipOutputStream zos = new ZipOutputStream(out.stream())) {
                writeLogFiles(zos, diagnosticId);

        }
        // url
        putResultDataBody(dataMap, fessConfig.getIndexFieldUrl(), url);
        // created
        final Date now = systemHelper.getCurrentTime();
        putResultDataBody(dataMap, fessConfig.getIndexFieldCreated(), now);
        // TODO anchor
        putResultDataBody(dataMap, fessConfig.getIndexFieldAnchor(), StringUtil.EMPTY);
        // mimetype

        assertEquals("test2", System.getProperty("test." + now));
    }

    public void test_getCurrentTime() {
        final Date currentTime = systemHelper.getCurrentTime();
        assertNotNull(currentTime);
        final long now = System.currentTimeMillis();
        assertTrue(Math.abs(currentTime.getTime() - now) < 1000);
    }

    public void test_getCurrentTimeAsLong() {

        return ComponentUtil.getRequestManager();
    }

    /**
     * Gets the current time as a Date object.
     *
     * @return The current time.
     */
    public Date getCurrentTime() {
        return new Date(getCurrentTimeAsLong());
    }

    /**
     * Gets the current time in milliseconds.
     *
     * @return The current time in milliseconds.
     */