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).
CallbackHandler,
Serialized Form| 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. |
| 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.
|
public ChoiceCallback(String prompt, String[] choices, int defaultChoice, boolean multipleSelectionsAllowed)
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.
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.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.public String getPrompt()
public String[] getChoices()
public int getDefaultChoice()
choices list.public boolean allowMultipleSelections()
choices list are allowed.
public void setSelectedIndex(int selection)
selection - the selection represented as an index into the
choices list.getSelectedIndexes()public void setSelectedIndexes(int[] selections)
selections - the selections represented as indexes into the
choices list.UnsupportedOperationException - if multiple selections are
not allowed, as determined by
allowMultipleSelections.getSelectedIndexes()public int[] getSelectedIndexes()
choices list.setSelectedIndexes(int[]) Submit a bug or feature
For further API reference and developer documentation, see Java SE Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.
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