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Java Source Code / Java Documentation » 6.0 JDK Core » security » javax.security.auth.callback 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


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

All known Subclasses:   javax.security.sasl.RealmChoiceCallback,
ChoiceCallback
public class ChoiceCallback implements Callback,java.io.Serializable(Code)

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).
version:
   1.24, 05/05/07
See Also:   javax.security.auth.callback.CallbackHandler




Constructor Summary
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.


Method Summary
public  booleanallowMultipleSelections()
     Get the boolean determining whether multiple selections from the choices list are allowed.
public  String[]getChoices()
     Get the list of choices.
public  intgetDefaultChoice()
     Get the defaultChoice.
public  StringgetPrompt()
     Get the prompt.
public  int[]getSelectedIndexes()
     Get the selected choices.
public  voidsetSelectedIndex(int selection)
     Set the selected choice.
public  voidsetSelectedIndexes(int[] selections)
     Set the selected choices.


Constructor Detail
ChoiceCallback
public ChoiceCallback(String prompt, String[] choices, int defaultChoice, boolean multipleSelectionsAllowed)(Code)
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.


Parameters:
  choices - the list of choices.


Parameters:
  defaultChoice - the choice to be used as the default choicewhen the list of choices are displayed. This valueis represented as an index into thechoices array.


Parameters:
  multipleSelectionsAllowed - boolean specifying whether ornot multiple selections can be made from thelist of choices.
exception:
  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 choiceshas a length of 0 or if defaultChoicedoes not fall within the array boundaries ofchoices.




Method Detail
allowMultipleSelections
public boolean allowMultipleSelections()(Code)
Get the boolean determining whether multiple selections from the choices list are allowed.

whether multiple selections are allowed.



getChoices
public String[] getChoices()(Code)
Get the list of choices.

the list of choices.



getDefaultChoice
public int getDefaultChoice()(Code)
Get the defaultChoice.

the defaultChoice, represented as an index intothe choices list.



getPrompt
public String getPrompt()(Code)
Get the prompt.

the prompt.



getSelectedIndexes
public int[] getSelectedIndexes()(Code)
Get the selected choices.

the selected choices, represented as indexes into thechoices list.
See Also:   ChoiceCallback.setSelectedIndexes



setSelectedIndex
public void setSelectedIndex(int selection)(Code)
Set the selected choice.


Parameters:
  selection - the selection represented as an index into thechoices list.
See Also:   ChoiceCallback.getSelectedIndexes



setSelectedIndexes
public void setSelectedIndexes(int[] selections)(Code)
Set the selected choices.


Parameters:
  selections - the selections represented as indexes into thechoices list.
exception:
  UnsupportedOperationException - if multiple selections arenot allowed, as determined byallowMultipleSelections.
See Also:   ChoiceCallback.getSelectedIndexes



Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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