# Class TextOutputCallback

java.lang.Object
javax.security.auth.callback.TextOutputCallback

All Implemented Interfaces:
  `Serializable, Callback`

public class TextOutputCallback extends Object implements Callback, Serializable

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

Since:
  1.4
See Also:
  - `CallbackHandler`
  - Serialized Form

## Field Summary

Fields
Modifier and Type
Field
Description
`static final int`
`ERROR`
Error message.
`static final int`
`INFORMATION`
Information message.
`static final int`
`WARNING`
Warning message.

## Constructor Summary

Constructors
Constructor
Description
`TextOutputCallback(int messageType, String message)`
Construct a TextOutputCallback with a message type and message to be displayed.

## Method Summary

Modifier and Type
Method
Description
`String`
`getMessage()`
Get the message to be displayed.
`int`
`getMessageType()`
Get the message type.

### Methods declared in class Object

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

## Field Details

### INFORMATION

public static final int INFORMATION
Information message.

See Also:
  - Constant Field Values

### WARNING

public static final int WARNING
Warning message.

See Also:
  - Constant Field Values

### ERROR

public static final int ERROR
Error message.

See Also:
  - Constant Field Values

## Constructor Details

### TextOutputCallback

public TextOutputCallback(int messageType, String message)
Construct a TextOutputCallback with a message type and message to be displayed.

Parameters:
  `messageType` - the message type (`INFORMATION`, `WARNING` or `ERROR`).
  `message` - the message to be displayed.
Throws:
  `IllegalArgumentException` - if `messageType` is not either `INFORMATION`, `WARNING` or `ERROR`, if `message` is null, or if `message` has a length of 0.

## Method Details

### getMessageType

public int getMessageType()
Get the message type.

Returns:
  the message type (`INFORMATION`, `WARNING` or `ERROR`).

### getMessage

public String getMessage()
Get the message to be displayed.

Returns:
  the message to be displayed.