* @param port a port number from [0..65535]
   * @return if parsing was successful, a populated HostAndPort object.
   * @throws IllegalArgumentException if {@code host} contains a port number, or {@code port} is out
   *     of range.
   */
  public static HostAndPort fromParts(String host, int port) {
    checkArgument(isValidPort(port), "Port out of range: %s", port);

    private Server server;

    private boolean tempDocRoot = false;

    public CrawlerWebServer(final int port) {
        this(port, createDocRoot(3, port));
        tempDocRoot = true;
    }

    public CrawlerWebServer(final int port, final File docRoot) {
        this.docRoot = docRoot;

        server = new Server(port);

        final ResourceHandler resourceHandler = new ResourceHandler();

        // host/port/realm: only set if not blank (null means "any" - AuthScope.ANY equivalent)
        final String host = paramMap.get(prefix + "host");
        if (StringUtil.isNotBlank(host)) {
            config.setHost(host);
        }

        final String port = paramMap.get(prefix + "port");
        if (StringUtil.isNotBlank(port)) {
            try {

    }

    /**
     * Gets the port number. Returns -1 for any port.
     *
     * @return the port
     */
    public int getPort() {
        return port;
    }

    /**
     * Sets the port number. Use -1 for any port.
     *
     * @param port the port
     */
    public void setPort(final int port) {
        this.port = port;
    }

    /**

        this.server = server;
    }

    /**
     * Returns the port number.
     * @return The port number.
     */
    public int getPort() {
        return port;
    }

    /**
     * Sets the port number.
     * @param port The port number.
     */
    public void setPort(final int port) {
        this.port = port;
    }

    /**
     * Returns the username.
     * @return The username.

   * Starts the server on the loopback interface for the given port.
   *
   * @param port the port to listen to, or 0 for any available port. Automated tests should always
   * use port 0 to avoid flakiness when a specific port is unavailable.
   */
  @Throws(IOException::class)
  @JvmOverloads
  public fun start(port: Int = 0) {
    start(InetAddress.getByName("localhost"), port)
  }

  /**

            ?: throw IllegalArgumentException("unexpected host: $host")
        this.host = encoded
      }

    fun port(port: Int) =
      apply {
        require(port in 1..65535) { "unexpected port: $port" }
        this.port = port
      }

    fun addPathSegment(pathSegment: String) =
      apply {

    private boolean tempDocRoot = false;

    public CrawlerWebServer(final int port) {
        this(port, createDocRoot(3));
        tempDocRoot = true;
    }

    public CrawlerWebServer(final int port, final File docRoot) {
        this.docRoot = docRoot;

        server = new Server(port);

        final ResourceHandler resourceHandler = new ResourceHandler();

    // No port, bad default.
    checkFromStringCase("google.com", -1, "google.com", -1, false);
    checkFromStringCase("192.0.2.1", 65536, "192.0.2.1", -1, false);
    checkFromStringCase("[2001::1]", -1, "2001::1", -1, false);
    checkFromStringCase("2001::3", 65536, "2001::3", -1, false);
  }

  public void testFromStringUnusedDefaultPort() {
    // Default port, but unused.

    // No port, bad default.
    checkFromStringCase("google.com", -1, "google.com", -1, false);
    checkFromStringCase("192.0.2.1", 65536, "192.0.2.1", -1, false);
    checkFromStringCase("[2001::1]", -1, "2001::1", -1, false);
    checkFromStringCase("2001::3", 65536, "2001::3", -1, false);
  }

  public void testFromStringUnusedDefaultPort() {
    // Default port, but unused.