TextOutputCallback (Java SE 9 & JDK 9 )

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 int ERROR
Error message.

static int INFORMATION
Information message.

static 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

All Methods Instance Methods Concrete Methods
Modifier and Type Method Description

String getMessage()
Get the message to be displayed.

int getMessageType()
Get the message type.
- Methods inherited from class java.lang.Object
  clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - 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 Detail
  - 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 Detail
  - 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.