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

All Implemented Interfaces:

Serializable, Callback

Direct Known Subclasses:

RealmChoiceCallback
```
public class ChoiceCallback
extends Object
implements Callback, Serializable
```
Underlying security services instantiate and pass a ChoiceCallback to the handle method of a CallbackHandler to display a list of choices and to retrieve the selected choice(s).

See Also:
CallbackHandler, Serialized Form

Constructor Summary

Constructors
Constructor and Description
`ChoiceCallback(String prompt, String[] choices, int defaultChoice, boolean multipleSelectionsAllowed)` Construct a `ChoiceCallback` with a prompt, a list of choices, a default choice, and a boolean specifying whether or not multiple selections from the list of choices are allowed.

Method Summary

Methods
Modifier and Type	Method and Description
`boolean`	`allowMultipleSelections()` Get the boolean determining whether multiple selections from the `choices` list are allowed.
`String[]`	`getChoices()` Get the list of choices.
`int`	`getDefaultChoice()` Get the defaultChoice.
`String`	`getPrompt()` Get the prompt.
`int[]`	`getSelectedIndexes()` Get the selected choices.
`void`	`setSelectedIndex(int selection)` Set the selected choice.
`void`	`setSelectedIndexes(int[] selections)` Set the selected choices.

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

- Constructor Detail
  - ChoiceCallback
```
public ChoiceCallback(String prompt,
              String[] choices,
              int defaultChoice,
              boolean multipleSelectionsAllowed)
```
    Construct a ChoiceCallback with a prompt, a list of choices, a default choice, and a boolean specifying whether or not multiple selections from the list of choices are allowed.
    
    Parameters:
    prompt - the prompt used to describe the list of choices.
    choices - the list of choices.
    defaultChoice - the choice to be used as the default choice when the list of choices are displayed. This value is represented as an index into the choices array.
    multipleSelectionsAllowed - boolean specifying whether or not multiple selections can be made from the list of choices.
    
    Throws:
    
    IllegalArgumentException - if prompt is null, if prompt has a length of 0, if choices is null, if choices has a length of 0, if any element from choices is null, if any element from choices has a length of 0 or if defaultChoice does not fall within the array boundaries of choices.
- Method Detail
  - getPrompt
```
public String getPrompt()
```
    Get the prompt.
    
    Returns:
    the prompt.
  - getChoices
```
public String[] getChoices()
```
    Get the list of choices.
    
    Returns:
    the list of choices.
  - getDefaultChoice
```
public int getDefaultChoice()
```
    Get the defaultChoice.
    
    Returns:
    the defaultChoice, represented as an index into the choices list.
  - allowMultipleSelections
```
public boolean allowMultipleSelections()
```
    Get the boolean determining whether multiple selections from the choices list are allowed.
    
    Returns:
    whether multiple selections are allowed.
  - setSelectedIndex
```
public void setSelectedIndex(int selection)
```
    Set the selected choice.
    
    Parameters:
    selection - the selection represented as an index into the choices list.
    See Also:
    getSelectedIndexes()
  - setSelectedIndexes
```
public void setSelectedIndexes(int[] selections)
```
    Set the selected choices.
    
    Parameters:
    selections - the selections represented as indexes into the choices list.
    
    Throws:
    
    UnsupportedOperationException - if multiple selections are not allowed, as determined by allowMultipleSelections.
    See Also:
    getSelectedIndexes()
  - getSelectedIndexes
```
public int[] getSelectedIndexes()
```
    Get the selected choices.
    
    Returns:
    the selected choices, represented as indexes into the choices list.
    See Also:
    setSelectedIndexes(int[])

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Document créé le 07/12/2006, dernière modification le 04/03/2020
Source du document imprimé : https://www.gaudry.be/java-api-rf-javax/security/auth/callback/choicecallback.html

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Références

Manuel PHP : https://docs.oracle.com, ChoiceCallback

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Table des matières Haut

Class ChoiceCallback

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

ChoiceCallback

Method Detail

getPrompt

getChoices

getDefaultChoice

allowMultipleSelections

setSelectedIndex

setSelectedIndexes

getSelectedIndexes

Références