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Chapter 3 Test Suite Construction 33
f. Implement exporting the configuration value to the test environment.
One of the goals of the interview is to export the configuration value to the
test environment. Each question has an export() method that is used for
this purpose.
The following code in the SampleInterview example exports the value to
the test environment.
An alternative is to use the setExporter() method to export the value. The
following code is an example of using the setExporter() method.
g. Implement error checking for the question answer.
If the user provides an invalid answer to a question, the interview cannot
proceed. For most questions, error conditions are handled by returning null,
which causes the Configuration Editor to display an invalid response message
in red at the bottom of the question pane. Alternatively, if the Framework’s
interview extension library is used, it’s possible to implement validation
without subclassing the question via Question.setValidator(). For
detailed information, see the com.sun.tck.j2me.interview.lib package
API documentation.
The following code in the SampleInterview example implements error
checking.
StringQuestion first = new StringQuestion(this, "hello") {
public void export(Map map) {
map.put("sample.string.value", String.valueOf(value));
}
}
first = new StringQuestion(this, "hello");
first.setExporter(
Exporters.getStringValueExporter("sample.string.value"));
StringQuestion first = new StringQuestion(this, "hello") {
public boolean isValueValid() {
return value != null && value != "";
}
public void export(Map map) {
map.put("sample.string.value", String.valueOf(value));
}
}