StringBuilder buffer = new StringBuilder(256);

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

      try {
        UserPrincipal user =
            FileSystems.getDefault()
                .getUserPrincipalLookupService()
                .lookupPrincipalByName(getUsername());
        ImmutableList<AclEntry> acl =
            ImmutableList.of(
                AclEntry.newBuilder()
                    .setType(ALLOW)
                    .setPrincipal(user)

                            server = result.getServer();

                            AuthenticationInfo authInfo = new AuthenticationInfo();
                            authInfo.setUserName(server.getUsername());
                            authInfo.setPassword(server.getPassword());
                            authInfo.setPrivateKey(server.getPrivateKey());
                            authInfo.setPassphrase(server.getPassphrase());

     */
    public void setPort(int port) {
        this.port = port;
    }

    /**
     * Get the proxy username.
     *
     * @return username for the proxy server
     */
    public String getUserName() {
        return userName;
    }

    /**
     * Set the proxy username.
     *
     * @param userName username for the proxy server
     */
    public void setUserName(String userName) {

        Authentication result = null;
        if (auth != null) {
            AuthenticationBuilder authBuilder = new AuthenticationBuilder();
            authBuilder.addUsername(auth.getUsername()).addPassword(auth.getPassword());
            authBuilder.addPrivateKey(auth.getPrivateKey(), auth.getPassphrase());
            result = authBuilder.build();
        }
        return result;
    }

        Authentication authentication = repository.getAuthentication();
        assertNotNull(authentication);
        assertEquals("jason", authentication.getUsername());
        assertEquals("abc123", authentication.getPassword());
    }

        for (Proxy proxy : request.getProxies()) {
            AuthenticationBuilder authBuilder = new AuthenticationBuilder();
            authBuilder.addUsername(proxy.getUsername()).addPassword(proxy.getPassword());
            proxySelector.add(
                    new org.eclipse.aether.repository.Proxy(

        this.password = password;
    }

    /**
     * Get the username used to access the repository.
     *
     * @return username at repository
     */
    public String getUsername() {
        return username;
    }

    /**
     * Set username used to access the repository.
     *
     * @param userName the username used to access repository
     */

                            logger.debug(problem.getMessage(), problem.getException());
                        }
                    }

                    Authentication authentication = new Authentication(server.getUsername(), server.getPassword());
                    authentication.setPrivateKey(server.getPrivateKey());
                    authentication.setPassphrase(server.getPassphrase());

        }
    }

    private AuthenticationInfo authenticationInfo(ArtifactRepository repository) {
        AuthenticationInfo ai = new AuthenticationInfo();
        ai.setUserName(repository.getAuthentication().getUsername());
        ai.setPassword(repository.getAuthentication().getPassword());
        return ai;
    }

    private ProxyInfo proxyInfo(ArtifactRepository repository) {
        ProxyInfo proxyInfo = new ProxyInfo();