/** The key of the message: User DN */
    public static final String LABELS_ldap_security_principal = "{labels.ldap_security_principal}";

    /** The key of the message: Bind DN */
    public static final String LABELS_ldap_admin_security_principal = "{labels.ldap_admin_security_principal}";

    /** The key of the message: Password */

 * username for example:
 * <tt>
 * String username = f.getPrincipal().getName();
 * </tt>
 * The <tt>Principal</tt> object returned will never be <tt>null</tt>
 * however the username can be <tt>null</tt> indication anonymous
 * credentials were used (e.g. some IPC$ services).
 */

    public Principal getPrincipal() {
        return auth;
    }

/**