private RefactoringStatus analyzeRenameChanges(IProgressMonitor pm) throws CoreException {
ICompilationUnit[] newDeclarationWCs = null;
try {
pm.beginTask("", 4); // $NON-NLS-1$
RefactoringStatus result = new RefactoringStatus();
ICompilationUnit[] declarationCUs = getDeclarationCUs();
newDeclarationWCs =
RenameAnalyzeUtil.createNewWorkingCopies(
declarationCUs, fChangeManager, fWorkingCopyOwner, new SubProgressMonitor(pm, 1));
IMethod[] wcOldMethods = new IMethod[fMethodsToRename.size()];
IMethod[] wcNewMethods = new IMethod[fMethodsToRename.size()];
int i = 0;
for (Iterator<IMethod> iter = fMethodsToRename.iterator(); iter.hasNext(); i++) {
IMethod method = iter.next();
ICompilationUnit newCu =
RenameAnalyzeUtil.findWorkingCopyForCu(newDeclarationWCs, method.getCompilationUnit());
IType typeWc =
(IType) JavaModelUtil.findInCompilationUnit(newCu, method.getDeclaringType());
if (typeWc == null) {
// should not happen
i--;
wcOldMethods =
CollectionsUtil.toArray(
Arrays.asList(wcOldMethods).subList(0, wcOldMethods.length - 1), IMethod.class);
wcNewMethods =
CollectionsUtil.toArray(
Arrays.asList(wcNewMethods).subList(0, wcNewMethods.length - 1), IMethod.class);
continue;
}
wcOldMethods[i] = getMethodInWorkingCopy(method, getCurrentElementName(), typeWc);
wcNewMethods[i] = getMethodInWorkingCopy(method, getNewElementName(), typeWc);
}
// SearchResultGroup[] newOccurrences= findNewOccurrences(newMethods, newDeclarationWCs, new
// SubProgressMonitor(pm, 3));
SearchResultGroup[] newOccurrences =
batchFindNewOccurrences(
wcNewMethods, wcOldMethods, newDeclarationWCs, new SubProgressMonitor(pm, 3), result);
result.merge(
RenameAnalyzeUtil.analyzeRenameChanges2(
fChangeManager, fOccurrences, newOccurrences, getNewElementName()));
return result;
} finally {
pm.done();
if (newDeclarationWCs != null) {
for (int i = 0; i < newDeclarationWCs.length; i++) {
newDeclarationWCs[i].discardWorkingCopy();
}
}
}
}
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);
}
// ----------------
private RefactoringStatus analyzeRenameChanges(IProgressMonitor pm) throws CoreException {
ICompilationUnit[] newWorkingCopies = null;
WorkingCopyOwner newWCOwner = new WorkingCopyOwner() {
/* must subclass */
};
try {
pm.beginTask("", 2); // $NON-NLS-1$
RefactoringStatus result = new RefactoringStatus();
SearchResultGroup[] oldReferences = fReferences;
List compilationUnitsToModify = new ArrayList();
if (fIsComposite) {
// limited change set, no accessors.
for (int i = 0; i < oldReferences.length; i++)
compilationUnitsToModify.add(oldReferences[i].getCompilationUnit());
compilationUnitsToModify.add(fField.getCompilationUnit());
} else {
// include all cus, including accessors
compilationUnitsToModify.addAll(Arrays.asList(fChangeManager.getAllCompilationUnits()));
}
newWorkingCopies =
RenameAnalyzeUtil.createNewWorkingCopies(
(ICompilationUnit[])
compilationUnitsToModify.toArray(
new ICompilationUnit[compilationUnitsToModify.size()]),
fChangeManager,
newWCOwner,
new SubProgressMonitor(pm, 1));
SearchResultGroup[] newReferences =
getNewReferences(new SubProgressMonitor(pm, 1), result, newWCOwner, newWorkingCopies);
result.merge(
RenameAnalyzeUtil.analyzeRenameChanges2(
fChangeManager, oldReferences, newReferences, getNewElementName()));
return result;
} finally {
pm.done();
if (newWorkingCopies != null) {
for (int i = 0; i < newWorkingCopies.length; i++) {
newWorkingCopies[i].discardWorkingCopy();
}
}
}
}
static RefactoringStatus analyzeRenameChanges(
TextChangeManager manager,
SearchResultGroup[] oldOccurrences,
SearchResultGroup[] newOccurrences) {
RefactoringStatus result = new RefactoringStatus();
for (int i = 0; i < oldOccurrences.length; i++) {
SearchResultGroup oldGroup = oldOccurrences[i];
SearchMatch[] oldSearchResults = oldGroup.getSearchResults();
ICompilationUnit cunit = oldGroup.getCompilationUnit();
if (cunit == null) continue;
for (int j = 0; j < oldSearchResults.length; j++) {
SearchMatch oldSearchResult = oldSearchResults[j];
if (!RenameAnalyzeUtil.existsInNewOccurrences(oldSearchResult, newOccurrences, manager)) {
addShadowsError(cunit, oldSearchResult, result);
}
}
}
return result;
}
private SearchResultGroup[] batchFindNewOccurrences(
IMethod[] wcNewMethods,
final IMethod[] wcOldMethods,
ICompilationUnit[] newDeclarationWCs,
IProgressMonitor pm,
RefactoringStatus status)
throws CoreException {
pm.beginTask("", 2); // $NON-NLS-1$
SearchPattern refsPattern =
RefactoringSearchEngine.createOrPattern(wcNewMethods, IJavaSearchConstants.REFERENCES);
SearchParticipant[] searchParticipants = SearchUtils.getDefaultSearchParticipants();
IJavaSearchScope scope = RefactoringScopeFactory.create(wcNewMethods);
MethodOccurenceCollector requestor;
if (getDelegateUpdating()) {
// There will be two new matches inside the delegate(s) (the invocation
// and the javadoc) which are OK and must not be reported.
// Note that except these ocurrences, the delegate bodies are empty
// (as they were created this way).
requestor =
new MethodOccurenceCollector(getNewElementName()) {
@Override
public void acceptSearchMatch(ICompilationUnit unit, SearchMatch match)
throws CoreException {
for (int i = 0; i < wcOldMethods.length; i++)
if (wcOldMethods[i].equals(match.getElement())) return;
super.acceptSearchMatch(unit, match);
}
};
} else requestor = new MethodOccurenceCollector(getNewElementName());
SearchEngine searchEngine = new SearchEngine(fWorkingCopyOwner);
ArrayList<ICompilationUnit> needWCs = new ArrayList<>();
HashSet<ICompilationUnit> declaringCUs = new HashSet<>(newDeclarationWCs.length);
for (int i = 0; i < newDeclarationWCs.length; i++)
declaringCUs.add(newDeclarationWCs[i].getPrimary());
for (int i = 0; i < fOccurrences.length; i++) {
ICompilationUnit cu = fOccurrences[i].getCompilationUnit();
if (!declaringCUs.contains(cu)) needWCs.add(cu);
}
ICompilationUnit[] otherWCs = null;
try {
otherWCs =
RenameAnalyzeUtil.createNewWorkingCopies(
needWCs.toArray(new ICompilationUnit[needWCs.size()]),
fChangeManager,
fWorkingCopyOwner,
new SubProgressMonitor(pm, 1));
searchEngine.search(
refsPattern, searchParticipants, scope, requestor, new SubProgressMonitor(pm, 1));
} finally {
pm.done();
if (otherWCs != null) {
for (int i = 0; i < otherWCs.length; i++) {
otherWCs[i].discardWorkingCopy();
}
}
}
SearchResultGroup[] newResults =
RefactoringSearchEngine.groupByCu(requestor.getResults(), status);
return newResults;
}