private RefactoringStatus validate(IProgressMonitor pm, EObject object) {
RefactoringStatus refactoringStatus = RefactoringStatus.create(Status.OK_STATUS);
EValidator.Registry validatorRegistry =
extensions.getInstance(EValidator.Registry.class, object);
EPackage epackage = object.eClass().getEPackage();
EValidator validator = validatorRegistry.getEValidator(epackage);
BasicDiagnostic diagnostics = new BasicDiagnostic();
if (pm.isCanceled()) {
refactoringStatus = RefactoringStatus.create(Status.CANCEL_STATUS);
pm.done();
} else {
SubMonitor sm = SubMonitor.convert(pm, "Validating re-factoring.", IProgressMonitor.UNKNOWN);
validator.validate(object, diagnostics, Maps.newHashMap());
Iterator<Diagnostic> validationIterator =
Iterables.filter(
diagnostics.getChildren(),
new Predicate<Diagnostic>() {
@Override
public boolean apply(Diagnostic diagnostic) {
if (diagnostic instanceof FeatureBasedDiagnostic) {
return FeatureBasedDiagnostic.ERROR
== ((FeatureBasedDiagnostic) diagnostic).getSeverity();
}
return false;
}
})
.iterator();
if (validationIterator.hasNext()) {
Diagnostic diagnostic = validationIterator.next();
refactoringStatus = RefactoringStatus.createFatalErrorStatus(diagnostic.getMessage());
}
sm.done();
}
return refactoringStatus;
}
@Override
public RefactoringStatus checkInitialConditions(IProgressMonitor pm)
throws CoreException, OperationCanceledException {
RefactoringStatus refactoringStatus = RefactoringStatus.create(Status.OK_STATUS);
SubMonitor sm =
SubMonitor.convert(
pm,
new StringBuffer("Checking initial conditions for ")
.append(context.getLabel())
.toString(),
10);
EObject element = context.getSourceElement();
EObject container = EcoreUtil.getRootContainer(element);
refactoringStatus =
sm.isCanceled() ? RefactoringStatus.create(Status.CANCEL_STATUS) : validate(sm, container);
sm.done();
return refactoringStatus;
}
@Override
public RefactoringStatus checkFinalConditions(IProgressMonitor pm)
throws CoreException, OperationCanceledException {
RefactoringStatus refactoringStatus = RefactoringStatus.create(Status.OK_STATUS);
if (modelChange == null) {
createChange(pm);
}
RefactoringTickProvider tickProvider = getRefactoringTickProvider();
StringBuffer taskBuffer = new StringBuffer("Checking final conditions for re-factoring ");
taskBuffer.append(context.getLabel());
SubMonitor sm =
SubMonitor.convert(pm, taskBuffer.toString(), tickProvider.getCheckFinalConditionsTicks());
Object modified = modelChange.getModifiedElement();
if (modified instanceof EObject) {
EObject modifiedEObject = (EObject) modified;
EObject container = EcoreUtil.getRootContainer(modifiedEObject);
refactoringStatus =
pm.isCanceled()
? RefactoringStatus.create(Status.CANCEL_STATUS)
: validate(pm, container);
}
sm.done();
return refactoringStatus;
}