Module java.base

Package javax.security.auth.callback

This package provides the classes necessary for services to interact with applications in order to retrieve information (authentication data including usernames or passwords, for example) or to display information (error and warning messages, for example).

Since:

1.4

Interface Summary

Interface	Description
Callback	Implementations of this interface are passed to a 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.
CallbackHandler	An application implements a CallbackHandler and passes it to underlying security services so that they may interact with the application to retrieve specific authentication data, such as usernames and passwords, or to display certain information, such as error and warning messages.

Class Summary

Class	Description
ChoiceCallback	Underlying security services instantiate and pass a ChoiceCallback to the handle method of a CallbackHandler to display a list of choices and to retrieve the selected choice(s).
ConfirmationCallback	Underlying security services instantiate and pass a ConfirmationCallback to the handle method of a CallbackHandler to ask for YES/NO, OK/CANCEL, YES/NO/CANCEL or other similar confirmations.
LanguageCallback	Underlying security services instantiate and pass a LanguageCallback to the handle method of a CallbackHandler to retrieve the Locale used for localizing text.
NameCallback	Underlying security services instantiate and pass a NameCallback to the handle method of a CallbackHandler to retrieve name information.
PasswordCallback	Underlying security services instantiate and pass a PasswordCallback to the handle method of a CallbackHandler to retrieve password information.
TextInputCallback	Underlying security services instantiate and pass a TextInputCallback to the handle method of a CallbackHandler to retrieve generic text information.
TextOutputCallback	Underlying security services instantiate and pass a TextOutputCallback to the handle method of a CallbackHandler to display information messages, warning messages and error messages.

Exception Summary

Exception	Description
UnsupportedCallbackException	Signals that a CallbackHandler does not recognize a particular Callback.