Java 2 Platform EE v1.3: Package javax.security.auth.callback - Java Platform, Enterprise Edition v1.3.1 API Specifications

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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).

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Description

Interface Summary

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

ChoiceCallback Underlying security services instantiate and pass a ChoiceCallback to the invokeCallback 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 invokeCallback 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 invokeCallback method of a CallbackHandler to retrieve the Locale used for localizing text.

NameCallback Underlying security services instantiate and pass a NameCallback to the invokeCallback method of a CallbackHandler to retrieve name information.

PasswordCallback Underlying security services instantiate and pass a PasswordCallback to the invokeCallback method of a CallbackHandler to retrieve password information.

TextInputCallback Underlying security services instantiate and pass a TextInputCallback to the invokeCallback method of a CallbackHandler to retrieve generic text information.

TextOutputCallback Underlying security services instantiate and pass a TextOutputCallback to the invokeCallback method of a CallbackHandler to display information messages, warning messages and error messages.

Exception Summary

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

Package javax.security.auth.callback Description