/* * Copyright (c) 1999, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation.  Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package javax.naming; /**  * This exception is thrown when  * the particular flavor of authentication requested is not supported.  * For example, if the program  * is attempting to use strong authentication but the directory/naming  * supports only simple authentication, this exception would be thrown.  * Identification of a particular flavor of authentication is  * provider- and server-specific. It may be specified using  * specific authentication schemes such  * those identified using SASL, or a generic authentication specifier  * (such as "simple" and "strong").  *<p>  * If the program wants to handle this exception in particular, it  * should catch AuthenticationNotSupportedException explicitly before  * attempting to catch NamingException. After catching  * <code>AuthenticationNotSupportedException</code>, the program could  * reattempt the authentication using a different authentication flavor  * by updating the resolved context's environment properties accordingly.  * <p>  * Synchronization and serialization issues that apply to NamingException  * apply directly here.  *  * @author Rosanna Lee  * @author Scott Seligman  * @since 1.3  */ public class AuthenticationNotSupportedException extends NamingSecurityException {    /**     * Constructs a new instance of AuthenticationNotSupportedException using     * an explanation. All other fields default to null.     *     * @param   explanation     A possibly null string containing additional     *                          detail about this exception.     * @see java.lang.Throwable#getMessage     */    public AuthenticationNotSupportedException(String explanation) {        super(explanation);    }     /**      * Constructs a new instance of AuthenticationNotSupportedException      * all name resolution fields and explanation initialized to null.      */    public AuthenticationNotSupportedException() {        super();    }     /**     * Use serialVersionUID from JNDI 1.1.1 for interoperability     */    private static final long serialVersionUID = -7149033933259492300L;}