com.sun.interview
Class ChoiceArrayQuestion

java.lang.Object
  com.sun.interview.Question
      com.sun.interview.ChoiceArrayQuestion

public abstract class ChoiceArrayQuestion
extends Question

A question to which the response is one of a number of choices.

Field Summary

protected boolean[]

value The current (default or latest) response to this question.

Fields inherited from class com.sun.interview.Question

interview, key, tag

Constructor Summary

protected	ChoiceArrayQuestion(Interview interview, java.lang.String tag) Create a question with a nominated tag.
protected	ChoiceArrayQuestion(Interview interview, java.lang.String tag, java.lang.String[] choices) Create a question with a nominated tag.

Method Summary

void	clear() Clear any response to this question, resetting the value back to its initial state.
java.lang.String[]	getChoices() Get the set of legal responses for this question.
boolean[]	getDefaultValue() Get the default response for this question.
java.lang.String[]	getDisplayChoices() Get the display values for the set of choices for this question.
java.lang.String	getStringValue() Get the response to this question as a string.
boolean[]	getValue() Get the current (default or latest) response to this question.
boolean[]	getValueOnPath() Verify this question is on the current path, and if it is, return the current value.
boolean	isValueAlwaysValid() Check if the question always has a valid response.
boolean	isValueValid() Check if the question currently has a valid response.
protected void	load(java.util.Map data) Load the value for this question from a dictionary, using the tag as the key.
protected void	save(java.util.Map data) Save the value for this question in a dictionary, using the tag as the key.
protected void	setChoices(java.lang.String[] choices) Set the names of the choices for this question.
protected void	setChoices(java.lang.String[] choices, boolean localize) Set the names of the choices for this question.
protected void	setChoices(java.lang.String[] choices, java.lang.String[] displayChoices) Set the names of the choices for this question.
void	setDefaultValue(boolean[] v) Set the default response for this question, used by the clear method.
void	setValue(boolean[] newValue) Set the current value.
void	setValue(java.lang.String newValue) Set the current value.

Methods inherited from class com.sun.interview.Question

addMarker, equals, export, getChecklistItems, getHelpID, getImage, getInterview, getKey, getNext, getResourceString, getResourceString, getSummary, getTag, getText, getTextArgs, hashCode, hasMarker, isEnabled, isHidden, reload, removeMarker, setHelpID, setImage, setImage, setSummary, setText

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Field Detail

value

protected boolean[] value

The current (default or latest) response to this question.

Constructor Detail

ChoiceArrayQuestion

protected ChoiceArrayQuestion(Interview interview,
                              java.lang.String tag)

Create a question with a nominated tag. If this constructor is used, the choices must be supplied separately.

Parameters:

interview - The interview containing this question.

tag - A unique tag to identify this specific question.

ChoiceArrayQuestion

protected ChoiceArrayQuestion(Interview interview,
                              java.lang.String tag,
                              java.lang.String[] choices)

Create a question with a nominated tag.

Parameters:

interview - The interview containing this question.

tag - A unique tag to identify this specific question.

choices - The names of the choices, which can each be selected (true) or not (false).

Throws:

java.lang.NullPointerException - if choices is null

Method Detail

setChoices

protected void setChoices(java.lang.String[] choices)

Set the names of the choices for this question. The choices will also be used as the display choices. The current value will be set to all false;

Parameters:

choices - The set of names for the choices for this question.

Throws:

java.lang.NullPointerException - if choices is null

See Also:

getChoices(), getDisplayChoices()

setChoices

protected void setChoices(java.lang.String[] choices,
                          boolean localize)

Set the names of the choices for this question. The current value will be set to all false;

Parameters:

choices - The set of names of the choices for this question.

localize - if false, the choices will be used directly as the display choices; otherwise the choices will be used to construct keys to get localized values from the interview's resource bundle.

Throws:

java.lang.NullPointerException - if choices is null

See Also:

getChoices(), getDisplayChoices()

setChoices

protected void setChoices(java.lang.String[] choices,
                          java.lang.String[] displayChoices)

Set the names of the choices for this question.

Parameters:

choices - The set of names of the choices for this question.

displayChoices - An array of strings to be presented to the user that identify the choices for this question. The value can also be null, to indicate that the display choices should be determined automatically by obtaining localized values for the entries in the choices array.

Throws:

java.lang.NullPointerException - if choices is null.

java.lang.IllegalArgumentException - if displayChoices is not null and is a different length than choices.

See Also:

getChoices(), getDisplayChoices()

getChoices

public java.lang.String[] getChoices()

Get the set of legal responses for this question.

Returns:

The set of possible responses for this question.

See Also:

setChoices(java.lang.String[])

getDisplayChoices

public java.lang.String[] getDisplayChoices()

Get the display values for the set of choices for this question. The display values will typically be different from the standard values if they have been localized.

Returns:

The display values for the set of possible responses for this question.

See Also:

setChoices(java.lang.String[]), getDisplayChoices()

getDefaultValue

public boolean[] getDefaultValue()

Get the default response for this question.

Returns:

the default response for this question.

See Also:

setDefaultValue(boolean[])

setDefaultValue

public void setDefaultValue(boolean[] v)

Set the default response for this question, used by the clear method.

Parameters:

v - the default response for this question.

See Also:

getDefaultValue()

getValue

public boolean[] getValue()

Get the current (default or latest) response to this question.

Returns:

The current value.

Throws:

java.lang.IllegalStateException - if no choices have been set, defining the set of responses to this question

See Also:

setValue(java.lang.String), setChoices(java.lang.String[])

getValueOnPath

public boolean[] getValueOnPath()
                         throws Interview.NotOnPathFault

Verify this question is on the current path, and if it is, return the current value.

Returns:

the current value of this question

Throws:

Interview.NotOnPathFault - if this question is not on the current path

See Also:

getValue()

getStringValue

public java.lang.String getStringValue()

Description copied from class: Question

Get the response to this question as a string.

Specified by:

getStringValue in class Question

Returns:

a string representing the current response to this question, or null.

See Also:

Question.setValue(String)

setValue

public void setValue(java.lang.String newValue)

Set the current value.

Specified by:

setValue in class Question

Parameters:

newValue - The value to be set. The value is broken into words, and each word must identify one of the set of choices for this question. The set of choices so identified will be set to true. Invalid choices are ignored.

See Also:

getValue()

isValueValid

public boolean isValueValid()

Description copied from class: Question

Check if the question currently has a valid response.

Specified by:

isValueValid in class Question

Returns:

true if the question currently has a valid response, and false otherwise.

isValueAlwaysValid

public boolean isValueAlwaysValid()

Description copied from class: Question

Check if the question always has a valid response. This may be true, for example, for a choice question with a default response.

Specified by:

isValueAlwaysValid in class Question

Returns:

true if the question always has a valid response, and false otherwise.

setValue

public void setValue(boolean[] newValue)

Set the current value.

Parameters:

newValue - The new value: one boolean per choice, indicating whether the corresponding choice is selected or not.

See Also:

getValue()

clear

public void clear()

Clear any response to this question, resetting the value back to its initial state.

Specified by:

clear in class Question

load

protected void load(java.util.Map data)

Load the value for this question from a dictionary, using the tag as the key.

Specified by:

load in class Question

Parameters:

data - The map from which to load the value for this question.

save

protected void save(java.util.Map data)

Save the value for this question in a dictionary, using the tag as the key.

Specified by:

save in class Question

Parameters:

data - The map in which to save the value for this question.