TextInputCallback (Java Platform SE 8 )
Keywords: javax.security.auth.callback.TextInputCallback class
Date: 2018-03-02

compact1, compact2, compact3
javax.security.auth.callback

## Class TextInputCallback

- java.lang.Object
- - javax.security.auth.callback.TextInputCallback

- All Implemented Interfaces:
    Serializable, Callback
  Direct Known Subclasses:
    RealmCallback

      public class TextInputCallback
      extends Object
      implements Callback, Serializable

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

  See Also:
    `CallbackHandler`, Serialized Form

- - ### Constructor Summary

    Constructors
    Constructor and Description
    `TextInputCallback(String prompt)` Construct a `TextInputCallback` with a prompt.
    `TextInputCallback(String prompt, String defaultText)` Construct a `TextInputCallback` with a prompt and default input value.

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `String` | `getDefaultText()` Get the default text.
    `String` | `getPrompt()` Get the prompt.
    `String` | `getText()` Get the retrieved text.
    `void` | `setText(String text)` Set the retrieved text.

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Constructor Detail

    - #### TextInputCallback

          public TextInputCallback(String prompt)

      Construct a `TextInputCallback` with a prompt.

      Parameters:
        `prompt` - the prompt used to request the information.
      Throws:
        `IllegalArgumentException` - if `prompt` is null or if `prompt` has a length of 0.

    - #### TextInputCallback

          public TextInputCallback(String prompt,
                                   String defaultText)

      Construct a `TextInputCallback` with a prompt and default input value.

      Parameters:
        `prompt` - the prompt used to request the information.

        `defaultText` - the text to be used as the default text displayed with the prompt.
      Throws:
        `IllegalArgumentException` - if `prompt` is null, if `prompt` has a length of 0, if `defaultText` is null or if `defaultText` has a length of 0.

  - ### Method Detail

    - #### getPrompt

          public String getPrompt()

      Get the prompt.

      Returns:
        the prompt.

    - #### getDefaultText

          public String getDefaultText()

      Get the default text.

      Returns:
        the default text, or null if this `TextInputCallback` was not instantiated with `defaultText`.

    - #### setText

          public void setText(String text)

      Set the retrieved text.

      Parameters:
        `text` - the retrieved text, which may be null.
      See Also:
        `getText()`

    - #### getText

          public String getText()

      Get the retrieved text.

      Returns:
        the retrieved text, which may be null.
      See Also:
        `setText(java.lang.String)`

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