return DEFAULT_HTTP_PORT;
    }

    @Override
    protected URLConnection openConnection(URL url) throws IOException {
        url = new URL(url, url.toExternalForm(), getDefaultStreamHandler(url.getProtocol()));
        return new NtlmHttpURLConnection((HttpURLConnection) url.openConnection());
    }

    private static URLStreamHandler getDefaultStreamHandler(final String protocol) throws IOException {

        final String classFilePath = TestCase.class.getName().replace('.', '/') + ".class";
        final URL classURL = ResourceUtil.getResource(classFilePath);
        final JarURLConnection con = (JarURLConnection) classURL.openConnection();
        ResourceTraversalUtil.forEach(con.getJarFile(), (ResourceHandler) (path, is) -> {
            try {
                if (count < 10) {
                    System.out.println(path);
                }

            rule.server
              .url("/")
              .toUrl()
              .openConnection()
              .connect()
          }
        },
        Description.EMPTY,
      )
    statement.evaluate()
    assertThat(called.get()).isTrue()
    try {
      rule.server
        .url("/")
        .toUrl()
        .openConnection()
        .connect()
      fail()
    } catch (expected: ConnectException) {
    }

import java.io.IOException;
import java.net.URL;
import java.net.URLConnection;
import java.net.URLStreamHandler;

public class Handler extends URLStreamHandler {

    @Override
    protected URLConnection openConnection(URL u) throws IOException {
        return null;
    }

import java.net.URLConnection;
import java.net.URLStreamHandler;

public class Handler extends URLStreamHandler {

    public static final String PROTOCOL_TYPE = "file";

    @Override
    protected URLConnection openConnection(URL u) throws IOException {
        return null;
    }

     * @return A {@link URLConnection} object to the URL.
     */
    public static URLConnection openConnection(final URL url) {
        assertArgumentNotNull("url", url);

        try {
            final URLConnection connection = url.openConnection();
            connection.setUseCaches(false);
            return connection;
        } catch (final IOException e) {

                setURL(u, "zip", null, 0, null, null, spec.substring(4), null, null);
            }

            @Override
            protected URLConnection openConnection(final URL u) throws IOException {
                return null;
            }
        });
        final String root = new File("/").getCanonicalPath();

import java.net.URLConnection;
import java.net.URLStreamHandler;

public class Handler extends URLStreamHandler {

    public static final String PROTOCOL_TYPE = "web";

    @Override
    protected URLConnection openConnection(URL u) throws IOException {
        return null;
    }

        return DEFAULT_HTTP_PORT;
    }

    @Override
    protected URLConnection openConnection(URL url) throws IOException {
        url = new URL(url, url.toExternalForm(), getDefaultStreamHandler(url.getProtocol()));
        return new NtlmHttpURLConnection((HttpURLConnection) url.openConnection(), this.transportContext);
    }

        .setTrafficStatsTag(101)
        .build()

    req.start()
    return completableFuture
  }

  @Test
  fun urlConnection() {
    val conn = engine.openConnection(URL("https://google.com/robots.txt")) as HttpURLConnection

    val text =
      conn.inputStream.use {
        it.bufferedReader().readText()
      }

    assertEquals(200, conn.responseCode)