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 Formpublic 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.
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()
Get the prompt.
public String[] getChoices()
Get the list of choices.
public int getDefaultChoice()
Get the defaultChoice.
choices list.public boolean allowMultipleSelections()
Get the boolean determining whether multiple selections from the choices list are allowed.
public void setSelectedIndex(int selection)
Set the selected choice.
selection - the selection represented as an index into the choices list.getSelectedIndexes()public void setSelectedIndexes(int[] selections)
Set the selected choices.
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()
Get the selected choices.
choices list.setSelectedIndexes(int[])
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