assertThat(HostAndPort.fromString("[::1]:80").requireBracketsForIPv6().getHost())
        .isEqualTo("::1");
    // Non-bracketed non-IPv6 works fine.
    assertThat(HostAndPort.fromString("x").requireBracketsForIPv6().getHost()).isEqualTo("x");
    assertThat(HostAndPort.fromString("x:80").requireBracketsForIPv6().getHost()).isEqualTo("x");

    assertThat(HostAndPort.fromString("[::1]:80").requireBracketsForIPv6().getHost())
        .isEqualTo("::1");
    // Non-bracketed non-IPv6 works fine.
    assertThat(HostAndPort.fromString("x").requireBracketsForIPv6().getHost()).isEqualTo("x");
    assertThat(HostAndPort.fromString("x:80").requireBracketsForIPv6().getHost()).isEqualTo("x");

 *         .requireBracketsForIPv6();
 * hp.getHost();  // returns "2001:db8::1"
 * hp.getPort();  // returns 80
 * hp.toString(); // returns "[2001:db8::1]:80"
 * }
 *
 * <p>Here are some examples of recognized formats:
 *
 * <ul>
 *   <li>example.com
 *   <li>example.com:80
 *   <li>192.0.2.1
 *   <li>192.0.2.1:80
 *   <li>[2001:db8::1] - {@link #getHost()} omits brackets

            final int pos = path.indexOf('/', 6);
            final URI uri = new URI(pos == -1 ? path : path.substring(0, pos));
            if (!"ftp".equals(uri.getScheme()) || (StringUtil.isNotBlank(server) && !server.equals(uri.getHost()))) {
                return false;
            }
            int p = uri.getPort();
            if (p == -1) {
                p = 21;
            }
            if (port > 0 && port != p) {

            if (proxy.getUserName() != null) {
                int hash = (proxy.getUserName() + proxy.getPassword()).hashCode();
                buffer.append(hash).append('@');
            }
            buffer.append(proxy.getHost()).append(':').append(proxy.getPort()).append('>');
        }

        // consider the username&password because a repo manager might block artifacts depending on authorization

     */
    public void setScheme(final String scheme) {
        this.scheme = scheme;
    }

    /**
     * Gets the host name.
     *
     * @return the host
     */
    public String getHost() {
        return host;
    }

    /**
     * Sets the host name.
     *
     * @param host the host
     */
    public void setHost(final String host) {
        this.host = host;
    }

     *
     * @param u the URL string to extract host from
     * @return the host name, or empty string if URL is blank, or unknown hostname if parsing fails
     */
    default String getHost(final String u) {
        if (StringUtil.isBlank(u)) {
            return StringUtil.EMPTY; // empty
        }

        String url = u;
        final String originalUrl = url;

     */
    protected Path buildFilePath(final String exportPath, final String url, final IndexExportFormatter formatter) {
        try {
            final URI uri = new URI(url);
            String host = uri.getHost();
            String path = uri.getPath();

            if (host == null || host.isEmpty()) {
                host = "_local";
            }

            if (path == null || path.isEmpty()) {

                credentialsProvider.setCredentials(authScope, authentication.getCredentials());
                if (authScope.getHost() != null && authScheme != null) {
                    final HttpHost targetHost = new HttpHost(authScope.getSchemeName(), authScope.getHost(), authScope.getPort());
                    authCache.put(targetHost, authScheme);
                }
            }
        }

                credentialsProvider.setCredentials(authScope, authentication.getCredentials());
                if (authScope.getHost() != null && authScheme != null) {
                    final HttpHost targetHost = new HttpHost(authScope.getHost(), authScope.getPort());
                    authCache.put(targetHost, authScheme);
                }
            }
        }