/**
* @param elements
* @param expectedInitialStatus
* @param expectedFinalStatus
* @return <code>true</code> iff performed
* @throws CoreException
*/
private boolean perform(
IJavaElement[] elements, int expectedInitialStatus, int expectedFinalStatus)
throws CoreException {
InferTypeArgumentsRefactoring refactoring =
((RefactoringAvailabilityTester.isInferTypeArgumentsAvailable(elements))
? new InferTypeArgumentsRefactoring(elements)
: null);
NullProgressMonitor pm = new NullProgressMonitor();
RefactoringStatus initialStatus = refactoring.checkInitialConditions(pm);
assertEquals(
"wrong initial condition status: " + initialStatus,
expectedInitialStatus,
initialStatus.getSeverity());
if (!initialStatus.isOK()) return false;
refactoring.setAssumeCloneReturnsSameType(fAssumeCloneReturnsSameType);
refactoring.setLeaveUnconstrainedRaw(fLeaveUnconstrainedRaw);
PerformRefactoringOperation op =
new PerformRefactoringOperation(refactoring, CheckConditionsOperation.FINAL_CONDITIONS);
JavaCore.run(op, new NullProgressMonitor());
RefactoringStatus finalStatus = op.getConditionStatus();
assertEquals(
"wrong final condition status: " + finalStatus,
expectedFinalStatus,
finalStatus.getSeverity());
if (finalStatus.getSeverity() == RefactoringStatus.FATAL) return false;
assertTrue(
"Validation check failed: " + op.getValidationStatus(),
!op.getValidationStatus().hasFatalError());
assertNotNull("No Undo", op.getUndoChange());
return true;
}
private SearchResultGroup[] getNewReferences(
IProgressMonitor pm,
RefactoringStatus status,
WorkingCopyOwner owner,
ICompilationUnit[] newWorkingCopies)
throws CoreException {
pm.beginTask("", 2); // $NON-NLS-1$
ICompilationUnit declaringCuWorkingCopy =
RenameAnalyzeUtil.findWorkingCopyForCu(newWorkingCopies, fField.getCompilationUnit());
if (declaringCuWorkingCopy == null) return new SearchResultGroup[0];
IField field = getFieldInWorkingCopy(declaringCuWorkingCopy, getNewElementName());
if (field == null || !field.exists()) return new SearchResultGroup[0];
CollectingSearchRequestor requestor = null;
if (fDelegateUpdating
&& RefactoringAvailabilityTester.isDelegateCreationAvailable(getField())) {
// There will be two new matches inside the delegate (the invocation
// and the javadoc) which are OK and must not be reported.
final IField oldField =
getFieldInWorkingCopy(declaringCuWorkingCopy, getCurrentElementName());
requestor =
new CollectingSearchRequestor() {
public void acceptSearchMatch(SearchMatch match) throws CoreException {
if (!oldField.equals(match.getElement())) super.acceptSearchMatch(match);
}
};
} else requestor = new CollectingSearchRequestor();
SearchPattern newPattern = SearchPattern.createPattern(field, IJavaSearchConstants.REFERENCES);
IJavaSearchScope scope = RefactoringScopeFactory.create(fField, true, true);
return RefactoringSearchEngine.search(
newPattern, owner, scope, requestor, new SubProgressMonitor(pm, 1), status);
}
/**
* Note: This method is for internal use only. Clients should not call this method.
*
* @param selection the java text selection
* @noreference This method is not intended to be referenced by clients.
*/
@Override
public void selectionChanged(JavaTextSelection selection) {
try {
setEnabled(RefactoringAvailabilityTester.isGeneralizeTypeAvailable(selection));
} catch (JavaModelException e) {
setEnabled(false);
}
}
@Override
public void selectionChanged(IStructuredSelection selection) {
try {
setEnabled(RefactoringAvailabilityTester.isGeneralizeTypeAvailable(selection));
} catch (JavaModelException e) {
if (JavaModelUtil.isExceptionToBeLogged(e)) JavaPlugin.log(e);
setEnabled(false);
}
}
/**
* Returns the maximum number of delegates which can be created for the input elements of this
* refactoring.
*
* @return maximum number of delegates
*/
public int getDelegateCount() {
int count = 0;
try {
if (RefactoringAvailabilityTester.isDelegateCreationAvailable(getField())) count++;
if (fRenameGetter && getGetter() != null) count++;
if (fRenameSetter && getSetter() != null) count++;
} catch (CoreException e) {
// no-op
}
return count;
}
private RefactoringStatus addDelegates() throws JavaModelException, CoreException {
RefactoringStatus status = new RefactoringStatus();
CompilationUnitRewrite rewrite = new CompilationUnitRewrite(fField.getCompilationUnit());
rewrite.setResolveBindings(true);
// add delegate for the field
if (RefactoringAvailabilityTester.isDelegateCreationAvailable(fField)) {
FieldDeclaration fieldDeclaration =
ASTNodeSearchUtil.getFieldDeclarationNode(fField, rewrite.getRoot());
if (fieldDeclaration.fragments().size() > 1) {
status.addWarning(
Messages.format(
RefactoringCoreMessages
.DelegateCreator_cannot_create_field_delegate_more_than_one_fragment,
BasicElementLabels.getJavaElementName(fField.getElementName())),
JavaStatusContext.create(fField));
} else if (((VariableDeclarationFragment) fieldDeclaration.fragments().get(0))
.getInitializer()
== null) {
status.addWarning(
Messages.format(
RefactoringCoreMessages.DelegateCreator_cannot_create_field_delegate_no_initializer,
BasicElementLabels.getJavaElementName(fField.getElementName())),
JavaStatusContext.create(fField));
} else {
DelegateFieldCreator creator = new DelegateFieldCreator();
creator.setDeclareDeprecated(fDelegateDeprecation);
creator.setDeclaration(fieldDeclaration);
creator.setNewElementName(getNewElementName());
creator.setSourceRewrite(rewrite);
creator.prepareDelegate();
creator.createEdit();
}
}
// add delegates for getter and setter methods
// there may be getters even if the field is static final
if (getGetter() != null && fRenameGetter)
addMethodDelegate(getGetter(), getNewGetterName(), rewrite);
if (getSetter() != null && fRenameSetter)
addMethodDelegate(getSetter(), getNewSetterName(), rewrite);
final CompilationUnitChange change = rewrite.createChange(true);
if (change != null) {
change.setKeepPreviewEdits(true);
fChangeManager.manage(fField.getCompilationUnit(), change);
}
return status;
}
private static ExtractSupertypeProcessor createRefactoringProcessor(IMember[] members)
throws JavaModelException {
IJavaProject project = null;
if (members != null && members.length > 0) project = members[0].getJavaProject();
if (RefactoringAvailabilityTester.isExtractSupertypeAvailable(members)) {
final CodeGenerationSettings settings =
JavaPreferencesSettings.getCodeGenerationSettings(project);
settings.createComments = false;
ExtractSupertypeProcessor processor = new ExtractSupertypeProcessor(members, settings);
new ProcessorBasedRefactoring(processor);
return processor;
}
return null;
}
/**
* Create move refactoring session.
*
* @param cmr move settings, contains resource paths to move.
* @return refactoring session id.
* @throws JavaModelException when JavaModel has a failure
* @throws RefactoringException when impossible to create move refactoring session
*/
@POST
@Path("move/create")
@Consumes("application/json")
@Produces("text/plain")
public String createMoveRefactoring(CreateMoveRefactoring cmr)
throws JavaModelException, RefactoringException {
IJavaProject javaProject = model.getJavaProject(cmr.getProjectPath());
IJavaElement[] javaElements;
try {
Function<ElementToMove, IJavaElement> map =
javaElement -> {
try {
if (javaElement.isPack()) {
return javaProject.findPackageFragment(
new org.eclipse.core.runtime.Path(javaElement.getPath()));
} else {
return javaProject.findType(javaElement.getPath()).getCompilationUnit();
}
} catch (JavaModelException e) {
throw new IllegalArgumentException(e);
}
};
javaElements = cmr.getElements().stream().map(map).toArray(IJavaElement[]::new);
} catch (IllegalArgumentException e) {
if (e.getCause() instanceof JavaModelException) {
throw (JavaModelException) e.getCause();
} else {
throw e;
}
}
if (RefactoringAvailabilityTester.isMoveAvailable(new IResource[0], javaElements)) {
return manager.createMoveRefactoringSession(javaElements);
}
throw new RefactoringException("Can't create move refactoring.");
}
public boolean isApplicable() throws CoreException {
return RefactoringAvailabilityTester.isRenameFieldAvailable(fField);
}
@Override
public boolean isApplicable() throws CoreException {
return RefactoringAvailabilityTester.isRenameAvailable(fMethod);
}
