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## com.ibm.security.auth.callback
Class TextCallbackHandler

    java.lang.Object
      com.ibm.security.auth.callback.TextCallbackHandler

All Implemented Interfaces:
  CallbackHandler

    public class TextCallbackHandler

extends java.lang.Object
implements CallbackHandler

Prompts and reads from the command line for answers to authentication questions. This can be used by a JAAS application to instantiate a CallbackHandler

See Also:
  `javax.security.auth.callback`

Constructor Summary
`TextCallbackHandler()` Creates a callback handler that prompts and reads from the command line for answers to authentication questions.

Method Summary
`void` | `handle(Callback[] callbacks)` Handles the specified set of callbacks.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### TextCallbackHandler

    public TextCallbackHandler()

  Creates a callback handler that prompts and reads from the command line for answers to authentication questions. This can be used by JAAS applications to instantiate a CallbackHandler.

Method Detail

### handle

    public void handle(Callback[] callbacks)
                throws java.io.IOException,
                       UnsupportedCallbackException

  Handles the specified set of callbacks.

  Specified by:
    `handle` in interface `CallbackHandler`
  Parameters:
    `callbacks` - the callbacks to handle
  Throws:
    `java.io.IOException` - if an input or output error occurs.
    `UnsupportedCallbackException` - if the callback is not an instance of NameCallback or PasswordCallback

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