javax.security.auth.callback (Java SE 9 & JDK 9 ) (original) (raw)

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 aCallbackHandler, 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 aChoiceCallback 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 aConfirmationCallback 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 aLanguageCallback to the handle method of a CallbackHandler to retrieve the Locale used for localizing text.
  NameCallback	Underlying security services instantiate and pass aNameCallback to the handle method of a CallbackHandler to retrieve name information.
  PasswordCallback	Underlying security services instantiate and pass aPasswordCallback to the handle method of a CallbackHandler to retrieve password information.
  TextInputCallback	Underlying security services instantiate and pass aTextInputCallback to the handle method of a CallbackHandler to retrieve generic text information.
  TextOutputCallback	Underlying security services instantiate and pass aTextOutputCallback 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.

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For further API reference and developer documentation see the Java SE Documentation, which contains more detailed, developer-targeted descriptions with conceptual overviews, definitions of terms, workarounds, and working code examples.
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