Java Module java.security.sasl Package javax.security.sasl Class RealmChoiceCallback（JDK11）

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java.lang.Object
- javax.security.auth.callback.ChoiceCallback
- - javax.security.sasl.RealmChoiceCallback

All Implemented Interfaces:

Serializable, Callback
```
public class RealmChoiceCallback
extends ChoiceCallback
```
This callback is used by SaslClient and SaslServer to obtain a realm given a list of realm choices.

Since:

1.5

See Also:

Serialized Form

Constructor Summary

Constructors
Constructor	Description
`RealmChoiceCallback(String prompt, String[] choices, int defaultChoice, boolean multiple)`	Constructs a `RealmChoiceCallback` with a prompt, a list of choices and a default choice.

Method Summary
- Methods declared in class javax.security.auth.callback.ChoiceCallback
  allowMultipleSelections, getChoices, getDefaultChoice, getPrompt, getSelectedIndexes, setSelectedIndex, setSelectedIndexes
- Methods declared in class java.lang.Object
  clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - RealmChoiceCallback
```
public RealmChoiceCallback(String prompt,
                           String[] choices,
                           int defaultChoice,
                           boolean multiple)
```
    Constructs a RealmChoiceCallback with a prompt, a list of choices and a default choice.
    
    Parameters:
    
    prompt - the non-null prompt to use to request the realm.
    
    choices - the non-null list of realms to choose from.
    
    defaultChoice - the choice to be used as the default choice when the list of choices is displayed. It is an index into the choices array.
    
    multiple - true if multiple choices allowed; false otherwise
    
    Throws:
    
    IllegalArgumentException - If prompt is null or the empty string, if choices has a length of 0, if any element from choices is null or empty, or if defaultChoice does not fall within the array boundary of choices

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