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Sourcecode: libgnucrypto-java version File versions


package javax.security.auth.callback;

// ----------------------------------------------------------------------------
// $Id: Callback.java,v 1.1 2003/05/10 18:45:12 raif Exp $
// Copyright (C) 2003, Free Software Foundation, Inc.
// This file is part of GNU Crypto.
// GNU Crypto is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2, or (at your option)
// any later version.
// GNU Crypto is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program; see the file COPYING.  If not, write to the
//    Free Software Foundation Inc.,
//    59 Temple Place - Suite 330,
//    Boston, MA 02111-1307
//    USA
// Linking this library statically or dynamically with other modules is
// making a combined work based on this library.  Thus, the terms and
// conditions of the GNU General Public License cover the whole
// combination.
// As a special exception, the copyright holders of this library give
// you permission to link this library with independent modules to
// produce an executable, regardless of the license terms of these
// independent modules, and to copy and distribute the resulting
// executable under terms of your choice, provided that you also meet,
// for each linked independent module, the terms and conditions of the
// license of that module.  An independent module is a module which is
// not derived from or based on this library.  If you modify this
// library, you may extend this exception to your version of the
// library, but you are not obligated to do so.  If you do not wish to
// do so, delete this exception statement from your version.
// ----------------------------------------------------------------------------

 * <p>Implementations of this interface are passed to a {@link CallbackHandler},
 * allowing underlying security services the ability to interact with a calling
 * application to retrieve specific authentication data such as usernames and
 * passwords, or to display certain information, such as error and warning
 * messages.</p>
 * <p><code>Callback</code> implementations do not retrieve or display the
 * information requested by underlying security services. <code>Callback</code>
 * implementations simply provide the means to pass such requests to
 * applications, and for applications, if appropriate, to return requested
 * information back to the underlying security services.</p>
 * @see CallbackHandler
 * @see ChoiceCallback
 * @see ConfirmationCallback
 * @see LanguageCallback
 * @see NameCallback
 * @see PasswordCallback
 * @see TextInputCallback
 * @see TextOutputCallback
 * @version $Revision: 1.1 $
00069 public interface Callback {

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