checkNotNull(separator);
    if (array.length == 0) {
      return "";
    }

    // For pre-sizing a builder, just get the right order of magnitude
    StringBuilder builder = new StringBuilder(array.length * 6);
    builder.append(array[0]);
    for (int i = 1; i < array.length; i++) {
      builder.append(separator).append(array[i]);
    }
    return builder.toString();
  }

        form.start = start;

        return doSearch(form);
    }

    protected String getDisplayQuery(final SearchForm form, final List<Map<String, String>> labelTypeItems) {
        final StringBuilder buf = new StringBuilder(100);
        buf.append(form.q);
        if (!form.fields.isEmpty() && form.fields.containsKey(LABEL_FIELD)) {
            final String[] values = form.fields.get(LABEL_FIELD);

    // ------------------------------------------------------------------------
    @Override
    public String toString() {
        if (isEmpty()) {
            return "empty";
        }
        StringBuilder sb = new StringBuilder(512);
        for (MetadataGraphVertex v : vertices) {
            sb.append("Vertex:  ").append(v.getMd().toString()).append('\n');
            List<MetadataGraphEdge> ins = getIncidentEdges(v);

        StringBuilder buf = null;
        XPathNodes list = null;
        try {
            list = getXPathAPI().selectNodeList(document, xpath);
            for (int i = 0; i < list.size(); i++) {
                if (buf == null) {
                    buf = new StringBuilder(1000);
                }
                Node node = list.get(i).cloneNode(true);

        assertEquals("0001", StringUtil.toHex(1));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testAppendHex() throws Exception {
        final StringBuilder buf = new StringBuilder();
        StringUtil.appendHex(buf, (byte) 1);
        assertEquals("01", buf.toString());
    }

    /**
     * @throws Exception
     */
    @Test

    public ArtifactRepositoryPolicy getReleases() {
        return releases;
    }

    public String getKey() {
        return getId();
    }

    public String toString() {
        StringBuilder sb = new StringBuilder(256);

        sb.append("      id: ").append(getId()).append(LS);
        sb.append("      url: ").append(getUrl()).append(LS);
        sb.append("   layout: ").append(layout != null ? layout : "none");

        consumeSeparator(tokenizer, '=');
        String value;
        if ('"' == tokenizer.previewChar()) {
          tokenizer.consumeCharacter('"');
          StringBuilder valueBuilder = new StringBuilder();
          while ('"' != tokenizer.previewChar()) {
            if ('\\' == tokenizer.previewChar()) {
              tokenizer.consumeCharacter('\\');

                char sp;
                if (url.indexOf('?') == -1) {
                    sp = '?';
                } else {
                    sp = '&';
                }
                final StringBuilder urlBuf = new StringBuilder(100);
                for (final String param : paramList) {
                    urlBuf.append(sp).append(param);
                    if (sp == '?') {
                        sp = '&';

    private val CRLF = byteArrayOf('\r'.code.toByte(), '\n'.code.toByte())
    private val DASHDASH = byteArrayOf('-'.code.toByte(), '-'.code.toByte())

    /**
     * Appends a quoted-string to a StringBuilder.
     *
     * RFC 2388 is rather vague about how one should escape special characters in form-data
     * parameters, and as it turns out Firefox and Chrome actually do rather different things, and

                    && duplicateSessionMap.get(sessionId).plusMinutes(searchStoreInterval).isAfter(requestedAt)) {
                return;
            }

            final StringBuilder sb = new StringBuilder(100);
            final List<String> fields = new ArrayList<>();
            final List<String> tags = new ArrayList<>();
            final List<String> roles = new ArrayList<>();