return (current != null) && current.ready();
  }

  @Override
  public void close() throws IOException {
    if (current != null) {
      try {
        current.close();
      } finally {
        current = null;
      }
    }
  }

   * be added without necessarily executing immediately.
   */
  private static final class PerListenerQueue<L> implements Runnable {
    final L listener;
    final Executor executor;

    @GuardedBy("this")
    final Queue<ListenerCallQueue.Event<L>> waitQueue = Queues.newArrayDeque();

    @GuardedBy("this")
    final Queue<Object> labelQueue = Queues.newArrayDeque();

    @GuardedBy("this")

    }

    protected void storeChildUrls(final ResponseData responseData, final ResultData resultData) {
        try (final InputStream is = responseData.getResponseBody()) {
            final DOMParser parser = getDomParser();
            parser.parse(new InputSource(is));
            final Document document = parser.getDocument();
            // base href
            final String baseHref = getBaseHref(document);

              return null;
            }
          };
      Callables.threadRenaming(callable, newName).call();
      assertEquals(oldName, Thread.currentThread().getName());
    } finally {
      System.setSecurityManager(null);
    }
  }

                }
                final String filename = form.jarFile.getFileName();
                final File tempFile = ComponentUtil.getSystemHelper().createTempFile("tmp-adminplugin-", ".jar");
                try (final InputStream is = form.jarFile.getInputStream(); final OutputStream os = new FileOutputStream(tempFile)) {
                    CopyUtil.copy(is, os);
                } catch (final Exception e) {

    protected int crawlerPriority = Thread.NORM_PRIORITY;

    protected final List<Crawler> crawlerList = Collections.synchronizedList(new ArrayList<>());

    public void crawl(final String sessionId, final List<String> webConfigIdList, final List<String> fileConfigIdList) {
        final boolean runAll = webConfigIdList == null && fileConfigIdList == null;
        final List<WebConfig> webConfigList;
        if (runAll || webConfigIdList != null) {

      // might be relying on this particular type of exception?
      throw new IllegalStateException();
    }
    try {
      return iterator;
    } finally {
      iterator = null;
    }
  }

    try {
      doTestExistsThrowsSecurityException();
    } finally {
      System.setSecurityManager(oldSecurityManager);
    }
  }

  private void doTestExistsThrowsSecurityException() throws IOException, URISyntaxException {
    File file = null;
    // In Java 9, Logger may read the TZ database. Only disallow reading the class path URLs.
    final PermissionCollection readClassPathFiles =

    }

    protected void processAccessControlEntries(final ResponseData responseData, final SmbFile file) {
        try {
            final ACE[] aces = file.getSecurity(resolveSids);
            if (aces != null) {
                final Set<SID> sidAllowSet = new HashSet<>();
                final Set<SID> sidDenySet = new HashSet<>();
                for (final ACE ace : aces) {
                    if (logger.isDebugEnabled()) {

    static class SiteLifecycle implements Lifecycle {

        private static final String MAVEN_SITE_PLUGIN_VERSION = "3.12.1";
        private static final String MAVEN_SITE_PLUGIN =
                MAVEN_PLUGINS + "maven-site-plugin:" + MAVEN_SITE_PLUGIN_VERSION + ":";
        private static final String PHASE_SITE = "site";
        private static final String PHASE_SITE_DEPLOY = "site-deploy";

        @Override