CodeSource cs = protectionDomain.getCodeSource();
        URL originalUrl = cs != null ? cs.getLocation() : null;
        if (originalUrl == null || !"file".equals(originalUrl.getProtocol())) {
            // Cannot transform classes from anything but files
            return null;
        }
        try {
            return new File(originalUrl.toURI());
        } catch (URISyntaxException e) {

            if (getRequestorType() == RequestorType.PROXY) {
                // Note: Do not use getRequestingProtocol() here, which is "http" even for HTTPS proxies.
                String protocol = getRequestingURL().getProtocol();
                String proxyUser = systemProperties.get(protocol + ".proxyUser");
                if (proxyUser != null) {
                    String proxyPassword = systemProperties.get(protocol + ".proxyPassword");

        assertArgumentNotEmpty("path", path);
        assertArgumentNotEmpty("encoding", encoding);

        final URL url = ResourceUtil.getResource(path);
        if (url.getProtocol().equals("file")) {
            return readText(URLUtil.toFile(url), encoding);
        }
        final InputStream is = URLUtil.openStream(url);
        try {

            }
            if (user == null) {
                if (!allowUserInteraction) return null;
                try {
                    URL url = getURL();
                    String protocol = url.getProtocol();
                    int port = url.getPort();
                    if (port == -1) {
                        port = "https".equalsIgnoreCase(protocol) ? 443 : 80;
                    }

    protected String normalizeCanonicalUrl(final String baseUrl, final String canonicalUrl) {
        try {
            final URL u = new URL(baseUrl);
            return new URL(u, canonicalUrl.startsWith(":") ? u.getProtocol() + canonicalUrl : canonicalUrl).toString();
        } catch (final MalformedURLException e) {
            logger.warn("Invalid canonical url: {} : {}", baseUrl, canonicalUrl, e);
        }
        return null;
    }

     */
    public static File getBuildDir(final String path) {
        assertArgumentNotEmpty("path", path);

        File dir = null;
        final URL url = getResource(path);
        if ("file".equals(url.getProtocol())) {
            final int num = path.split("/").length;
            dir = new File(getFileName(url));
            for (int i = 0; i < num; ++i) {
                dir = dir.getParentFile();
            }

            authBuilder.addUsername(proxy.getUsername()).addPassword(proxy.getPassword());
            proxySelector.add(
                    new org.eclipse.aether.repository.Proxy(
                            proxy.getProtocol(), proxy.getHost(), proxy.getPort(), authBuilder.build()),
                    proxy.getNonProxyHosts());
        }
        sessionBuilder.setProxySelector(proxySelector);

                    if ( !this.allowUserInteraction )
                        return null;
                    try {
                        URL u = getURL();
                        String protocol = u.getProtocol();
                        int port = u.getPort();
                        if ( port == -1 ) {
                            port = "https".equalsIgnoreCase(protocol) ? 443 : 80;
                        }

     */
    protected static Traverser getTraverser(final URL url, final String rootPackage, final String rootDir) {
        final TraverserFactory factory = traverserFactories.get(URLUtil.toCanonicalProtocol(url.getProtocol()));
        if (factory != null) {
            return factory.create(url, rootPackage, rootDir);
        }
        logger.log("WCL0013", asArray(rootPackage, url));
        return null;
    }

    /**

public String getHost(); public String getName(); public String toString(); public String getProtocol(); public RepositoryPermission getPermissions(); public void setPermissions(RepositoryPermission); public String getParameter(String); public void setParameters(java.util.Properties); public boolean equals(Object); public int hashCode(); public String getUsername(); public String getPassword(); public void setProtocol(String); } org/apache/maven/wagon/repository/RepositoryPermission.class package org....