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Java 2 Platform EE v1.3: Package javax.security.auth.callback
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<H2>
Package javax.security.auth.callback
</H2>
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).
<P>
<B>See: </B>
<BR>
<A HREF="#package_description"><B>Description</B></A>
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<B>Interface Summary</B></FONT></TD>
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<TD WIDTH="15%"><B><A HREF="Callback.html"><I>Callback</I></A></B></TD>
<TD> Implementations of this interface are passed to a
<code>CallbackHandler</code>, 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.</TD>
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<TD WIDTH="15%"><B><A HREF="CallbackHandler.html"><I>CallbackHandler</I></A></B></TD>
<TD> An application implements a <code>CallbackHandler</code> 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.</TD>
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<TD WIDTH="15%"><B><A HREF="ChoiceCallback.html">ChoiceCallback</A></B></TD>
<TD> Underlying security services instantiate and pass a
<code>ChoiceCallback</code> to the <code>invokeCallback</code>
method of a <code>CallbackHandler</code> to display a list of choices
and to retrieve the selected choice(s).</TD>
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<TD WIDTH="15%"><B><A HREF="ConfirmationCallback.html">ConfirmationCallback</A></B></TD>
<TD> Underlying security services instantiate and pass a
<code>ConfirmationCallback</code> to the <code>invokeCallback</code>
method of a <code>CallbackHandler</code> to ask for YES/NO,
OK/CANCEL, YES/NO/CANCEL or other similar confirmations.</TD>
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<TD WIDTH="15%"><B><A HREF="LanguageCallback.html">LanguageCallback</A></B></TD>
<TD> Underlying security services instantiate and pass a
<code>LanguageCallback</code> to the <code>invokeCallback</code>
method of a <code>CallbackHandler</code> to retrieve the <code>Locale</code>
used for localizing text.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="NameCallback.html">NameCallback</A></B></TD>
<TD> Underlying security services instantiate and pass a
<code>NameCallback</code> to the <code>invokeCallback</code>
method of a <code>CallbackHandler</code> to retrieve name information.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="PasswordCallback.html">PasswordCallback</A></B></TD>
<TD> Underlying security services instantiate and pass a
<code>PasswordCallback</code> to the <code>invokeCallback</code>
method of a <code>CallbackHandler</code> to retrieve password information.</TD>
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<TD WIDTH="15%"><B><A HREF="TextInputCallback.html">TextInputCallback</A></B></TD>
<TD> Underlying security services instantiate and pass a
<code>TextInputCallback</code> to the <code>invokeCallback</code>
method of a <code>CallbackHandler</code> to retrieve generic text
information.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="TextOutputCallback.html">TextOutputCallback</A></B></TD>
<TD> Underlying security services instantiate and pass a
<code>TextOutputCallback</code> to the <code>invokeCallback</code>
method of a <code>CallbackHandler</code> to display information messages,
warning messages and error messages.</TD>
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<B>Exception Summary</B></FONT></TD>
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<TD WIDTH="15%"><B><A HREF="UnsupportedCallbackException.html">UnsupportedCallbackException</A></B></TD>
<TD>Signals that a <code>CallbackHandler</code> does not
recognize a particular <code>Callback</code>.</TD>
</TR>
</TABLE>
<P>
<A NAME="package_description"><!-- --></A><H2>
Package javax.security.auth.callback Description
</H2>
<P>
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).
<!--
<h2>Package Specification</h2>
##### FILL IN ANY SPECS NEEDED BY JAVA COMPATIBILITY KIT #####
<ul>
<li><a href="">##### REFER TO ANY FRAMEMAKER SPECIFICATION HERE #####</a>
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<h2>Related Documentation</h2>
For overviews, tutorials, examples, guides, and tool documentation, please see:
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