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Java > Open Source Codes > javax > security > auth > callback > Callback


1 /*
2  * @(#)Callback.java 1.10 03/12/19
3  *
4  * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
5  * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
6  */
7
8
9 package javax.security.auth.callback;
10
11 /**
12  * <p> Implementations of this interface are passed to a
13  * <code>CallbackHandler</code>, allowing underlying security services
14  * the ability to interact with a calling application to retrieve specific
15  * authentication data such as usernames and passwords, or to display
16  * certain information, such as error and warning messages.
17  *
18  * <p> <code>Callback</code> implementations do not retrieve or
19  * display the information requested by underlying security services.
20  * <code>Callback</code> implementations simply provide the means
21  * to pass such requests to applications, and for applications,
22  * if appropriate, to return requested information back to the
23  * underlying security services.
24  *
25  * @version 1.10, 12/19/03
26  * @see javax.security.auth.callback.CallbackHandler
27  * @see javax.security.auth.callback.ChoiceCallback
28  * @see javax.security.auth.callback.ConfirmationCallback
29  * @see javax.security.auth.callback.LanguageCallback
30  * @see javax.security.auth.callback.NameCallback
31  * @see javax.security.auth.callback.PasswordCallback
32  * @see javax.security.auth.callback.TextInputCallback
33  * @see javax.security.auth.callback.TextOutputCallback
34  */
35 public interface Callback { }
36
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