* 
     * @param serviceName
     *            JAAS configuration name
     */
    public JAASAuthenticator ( String serviceName ) {
        super(null);
        this.serviceName = serviceName;
    }


    /**
     * Create an authenticator using the given JAAS service and the specified credentials
     * 
     * @param serviceName
     *            JAAS configuration name
     * @param domain
     * @param username

    private Map<String, ?> options;


    /**
     * Initialize a static JAAS configuration with default settings
     */
    public StaticJAASConfiguration () {
        this.options = new HashMap<>();
    }


    /**
     * Initialize a static JAAS configuration with custom settings
     * 
     * @param options
     */

@SuppressWarnings ( "javadoc" )
public class KerberosCredentials {

    private Subject subject;


    public KerberosCredentials () throws LoginException {
        this(System.getProperty("jaaslounge.sso.jaas.config"));
    }


    public KerberosCredentials ( String loginContextName ) throws LoginException {
        LoginContext lc = new LoginContext(loginContextName);
        lc.login();

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