* @return the encrypted data
     */
    public byte[] encrypt(final byte[] data) {
        final Cipher cipher = pollEncryptoCipher();
        byte[] encrypted;
        try {
            encrypted = cipher.doFinal(data);
        } catch (final IllegalBlockSizeException e) {
            throw new IllegalBlockSizeRuntimeException(e);
        } catch (final BadPaddingException e) {
            throw new BadPaddingRuntimeException(e);

    private static final long serialVersionUID = 1L;

    /** The key of the message: Realm */
    public static final String LABELS_AUTH_REALM = "{labels.authRealm}";

    /** The key of the message: Status */
    public static final String LABELS_AVAILABLE = "{labels.available}";

    /** The key of the message: Created By */
    public static final String LABELS_CREATED_BY = "{labels.createdBy}";

    }

    @Override
    public SuggestItem parseSearchWords(final String[] words, final String[][] readings, final String[] fields, final String[] tags,
            final String[] roles, final long score, final ReadingConverter readingConverter, final Normalizer normalizer,
            final SuggestAnalyzer analyzer, final String[] langs) {
        try {
            final List<String> wordsList = new ArrayList<>(words.length);

    }

    @Override
    protected int delegateUpdate(final Entity entity, final UpdateOption<? extends ConditionBean> option) {
        final EsAbstractEntity esEntity = (EsAbstractEntity) entity;
        final IndexRequestBuilder builder = createUpdateRequest(esEntity);

        final IndexResponse response = builder.execute().actionGet(indexTimeout);
        final long seqNo = response.getSeqNo();

        final CachedCipher cipher = new CachedCipher();
        cipher.setKey("mySecretKey");

        final String original = "";
        final String encrypted = cipher.encryptText(original);
        final String decrypted = cipher.decryptText(encrypted);

        assertThat(decrypted, is(original));
    }

    @Test
    public void testLongText() {
        final CachedCipher cipher = new CachedCipher();

     */
    protected long deleteOldDocuments(final SearchEngineClient searchEngineClient, final DocList docList) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();

        final List<String> docIdList = new ArrayList<>();
        for (final Map<String, Object> inputDoc : docList) {
            final Object idValue = inputDoc.get(fessConfig.getIndexFieldId());

    protected String replaceHighlightQueries(final String cache, final String[] queries) {
        final StringBuffer buf = new StringBuffer(cache.length() + 100);
        final StringBuffer segBuf = new StringBuffer(1000);
        final Pattern p = Pattern.compile("<[^>]+>");
        final Matcher m = p.matcher(cache);
        final String[] regexQueries = new String[queries.length];
        final String[] hlQueries = new String[queries.length];

     * @return an array of role names
     */
    public String[] getRoles(final LdapUser ldapUser, final String bindDn, final String accountFilter, final String groupFilter,
            final Consumer<String[]> lazyLoading) {
        final SystemHelper systemHelper = ComponentUtil.getSystemHelper();
        final Set<String> roleSet = new HashSet<>();

        if (fessConfig.isLdapRoleSearchUserEnabled()) {

        private static final String IMAGE_LOC_ELEMENT = "image:loc";

        private static final String IMAGE_CAPTION_ELEMENT = "image:caption";

        private static final String IMAGE_GEO_LOCATION_ELEMENT = "image:geo_location";

        private static final String IMAGE_TITLE_ELEMENT = "image:title";

        private static final String IMAGE_LICENSE_ELEMENT = "image:license";

     * @return A set of roles.
     */
    public Set<String> build(final SearchRequestType searchRequestType) {
        final Set<String> roleSet = new HashSet<>();
        final HttpServletRequest request = LaRequestUtil.getOptionalRequest().orElse(null);
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final boolean isApiRequest =