final byte[] bytes = "".getBytes();
        final InputStream in = new ByteArrayInputStream(bytes);

        try {
            sitemapsHelper.parse(in);
            fail();
        } catch (final CrawlingAccessException e) {
            // NOP
        }
    }

    public void test_parseXmlSitemaps_invalid2() {
        final byte[] bytes = "test".getBytes();

        final Path viewPath = ResourceUtil.getViewTemplatePath(themeName);
        closeQuietly(viewPath);
        final Path imagePath = ResourceUtil.getImagePath(themeName);
        closeQuietly(imagePath);
        final Path cssPath = ResourceUtil.getCssPath(themeName);
        closeQuietly(cssPath);
        final Path jsPath = ResourceUtil.getJavaScriptPath(themeName);
        closeQuietly(jsPath);
    }

    /**

     * @param texts the query texts
     * @return the query builder
     */
    protected QueryBuilder convertPhraseQuery(final FessConfig fessConfig, final QueryContext context, final PhraseQuery phraseQuery,
            final float boost, final String field, final String[] texts) {
        final String text = String.join(" ", texts);

        if (Constants.DEFAULT_FIELD.equals(field)) {
            context.addFieldLog(field, text);

    public static final String REGEXP_IGNORE_CASE = "regexpIgnoreCase:";

    /** Prefix for contains-based string matching patterns. */
    public static final String CONTAINS = "contains:";

    /** XML element name for collections container. */
    protected static final String COLLECTIONS = "collections";

    /** XML element name for individual collection. */
    protected static final String COLLECTION = "collection";

    private ReferrerPolicyValues() {}

    public static final String NO_REFERRER = "no-referrer";
    public static final String NO_REFFERER_WHEN_DOWNGRADE = "no-referrer-when-downgrade";
    public static final String SAME_ORIGIN = "same-origin";
    public static final String ORIGIN = "origin";
    public static final String STRICT_ORIGIN = "strict-origin";
    public static final String ORIGIN_WHEN_CROSS_ORIGIN = "origin-when-cross-origin";

    /** Logger for this class. */
    private static final Logger logger = LogManager.getLogger(SpnegoAuthenticator.class);

    /** Configuration key for SPNEGO initialization status. */
    protected static final String SPNEGO_INITIALIZED = "spnego.initialized";

    /** Configuration key for directories to exclude from SPNEGO authentication. */
    protected static final String SPNEGO_EXCLUDE_DIRS = "spnego.exclude.dirs";

   * {@code final} keyword. For example, it could be private, or it could be declared by a final
   * class. To tell whether a method is overridable, use {@link Invokable#isOverridable}.
   */
  public final boolean isFinal() {
    return Modifier.isFinal(getModifiers());
  }

  /** Returns true if the method is abstract. */
  public final boolean isAbstract() {

     */
    public static List<Map<String, String>> getFessPropItems(final FessConfig fessConfig) {
        final List<Map<String, String>> itemList = new ArrayList<>();
        ComponentUtil.getSystemProperties().entrySet().stream().forEach(e -> {
            final String k = e.getKey().toString();
            final String value;
            if (isMaskedValue(k)) {
                value = MASKED_VALUE;

     */
    protected void extractFile(final String filename, final PDEmbeddedFile embeddedFile, final StringWriter writer) {
        final MimeTypeHelper mimeTypeHelper = getMimeTypeHelper();
        final ExtractorFactory extractorFactory = getExtractorFactory();
        final String mimeType = mimeTypeHelper.getContentType(null, filename);
        if (mimeType != null) {

     */
    public RobotsTxt parse(final InputStream stream, final String charsetName) {
        if (!enabled) {
            return null;
        }

        try {
            @SuppressWarnings("resource")
            final BufferedReader reader = new BufferedReader(new InputStreamReader(new BOMInputStream(stream), charsetName));

            String line;
            final RobotsTxt robotsTxt = new RobotsTxt();