/**
     * Gets the URL scheme (e.g., "http" or "https").
     *
     * @return the scheme
     */
    public String getScheme() {
        return scheme;
    }

    /**
     * Sets the URL scheme (e.g., "http" or "https").
     *
     * @param scheme the scheme
     */
    public void setScheme(final String scheme) {
        this.scheme = scheme;
    }

    /**
     * Gets the host name.
     *

import okio.IOException

/**
 * Protocols that OkHttp implements for [ALPN][ietf_alpn] selection.
 *
 * ## Protocol vs Scheme
 *
 * Despite its name, [java.net.URL.getProtocol] returns the [scheme][java.net.URI.getScheme] (http,
 * https, etc.) of the URL, not the protocol (http/1.1, spdy/3.1, etc.). OkHttp uses the word
 * *protocol* to identify how HTTP messages are framed.
 *

            return false;
        }

        try {
            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;