* 
     * @param delimiter
     * @param elements
     * @return elements separated by delimiter
     */
    public static String join ( CharSequence delimiter, CharSequence... elements ) {
        StringBuilder sb = new StringBuilder();
        for ( CharSequence element : elements ) {
            if ( sb.length() > 0 ) {
                if ( delimiter != null ) {
                    sb.append(delimiter);
                }

    public String execute() {
        final SearchEngineClient searchEngineClient = ComponentUtil.getSearchEngineClient();
        final FessConfig fessConfig = ComponentUtil.getFessConfig();

        final StringBuilder resultBuf = new StringBuilder();

        // clean up
        final QueryBuilder queryBuilder = QueryBuilders.rangeQuery(fessConfig.getIndexFieldExpires()).to("now");
        try {

                    httpPost.setEntity(httpEntity);
                }
                httpRequest = httpPost;
            } else {
                final StringBuilder buf = new StringBuilder(100);
                buf.append(tokenUrl);
                if (StringUtil.isNotBlank(tokenReqParams)) {
                    if (tokenUrl.indexOf('?') >= 0) {
                        buf.append('&');

    public ManagedVersionMap(Map<String, Artifact> map) {
        super();
        if (map != null) {
            putAll(map);
        }
    }

    public String toString() {
        StringBuilder buffer = new StringBuilder("ManagedVersionMap (" + size() + " entries)\n");
        Iterator<String> iter = keySet().iterator();
        while (iter.hasNext()) {
            String key = iter.next();

        boolean optional = false;
        String retVal = null;

        if (st.countTokens() > 0) {
            String tokenList = "?\",";
            StringBuilder tokBuf = new StringBuilder(10);
            String tok;
            boolean inQuote = false;
            boolean tokStarted = false;
            boolean exit = false;
            while ((st.hasMoreTokens()) && (!exit)) {

        }

        if (ResourceUtil.getResourceNoException("oracle/jdbc/driver/OracleDriver.class") != null) {
            list.add("oracle");
        }

        if (!list.isEmpty()) {
            final StringBuilder buf = new StringBuilder();
            for (final String value : list) {
                if (buf.length() > 0) {
                    buf.append(',');
                }
                buf.append(value);
            }

    private int port;

    private String username;

    private String password;

    private String domain;

    public String getPathPrefix() {
        final StringBuilder buf = new StringBuilder(100);
        buf.append("smb1://");
        if (server != null) {
            buf.append(server);
            if (port > 0) {
                buf.append(':');
                buf.append(port);

        public Ansi reset() {
            return this;
        }
    }

    private final StringBuilder builder;
    private final ArrayList<Integer> attributeOptions = new ArrayList<>(5);

    public Ansi() {
        this(new StringBuilder(80));
    }

    public Ansi(Ansi parent) {
        this(new StringBuilder(parent.builder));
        attributeOptions.addAll(parent.attributeOptions);
    }

                        runningJobCount + " crawler processes are running. Max processes are " + maxCrawlerProcesses + ".");
            }
        }

        final StringBuilder resultBuf = new StringBuilder(100);
        final boolean runAll = webConfigIds == null && fileConfigIds == null && dataConfigIds == null;

        if (sessionId == null) { // create session id

        return index + '.' + ZonedDateTime.now().format(DateTimeFormatter.ofPattern("yyyyMMddHHmmss"));
    }

    private String getDefaultMappings() throws IOException {
        final StringBuilder mappingSource = new StringBuilder();
        try (BufferedReader br = new BufferedReader(new InputStreamReader(
                this.getClass().getClassLoader().getResourceAsStream("suggest_indices/suggest/mappings-default.json")))) {