@Override
public final RefactoringStatus checkNewElementName(String newName) {
Assert.isNotNull(newName, "new name"); // $NON-NLS-1$
RefactoringStatus status =
Checks.checkName(newName, JavaConventionsUtil.validateMethodName(newName, fMethod));
if (status.isOK() && !Checks.startsWithLowerCase(newName))
status =
RefactoringStatus.createWarningStatus(
fIsComposite
? Messages.format(
RefactoringCoreMessages.Checks_method_names_lowercase2,
new String[] {
BasicElementLabels.getJavaElementName(newName), getDeclaringTypeLabel()
})
: RefactoringCoreMessages.Checks_method_names_lowercase);
if (Checks.isAlreadyNamed(fMethod, newName))
status.addFatalError(
fIsComposite
? Messages.format(
RefactoringCoreMessages.RenameMethodRefactoring_same_name2,
new String[] {
BasicElementLabels.getJavaElementName(newName), getDeclaringTypeLabel()
})
: RefactoringCoreMessages.RenameMethodRefactoring_same_name,
JavaStatusContext.create(fMethod));
return status;
}
/*
* (non java-doc)
* Analyzes all compilation units in which type is referenced
*/
private RefactoringStatus analyzeAffectedCompilationUnits() throws CoreException {
RefactoringStatus result = new RefactoringStatus();
fReferences = Checks.excludeCompilationUnits(fReferences, result);
if (result.hasFatalError()) return result;
result.merge(Checks.checkCompileErrorsInAffectedFiles(fReferences));
return result;
}
protected RefactoringStatus doCheckFinalConditions(
IProgressMonitor pm, CheckConditionsContext context) throws CoreException {
try {
pm.beginTask("", 18); // $NON-NLS-1$
pm.setTaskName(RefactoringCoreMessages.RenameFieldRefactoring_checking);
RefactoringStatus result = new RefactoringStatus();
result.merge(Checks.checkIfCuBroken(fField));
if (result.hasFatalError()) return result;
result.merge(checkNewElementName(getNewElementName()));
pm.worked(1);
result.merge(checkEnclosingHierarchy());
pm.worked(1);
result.merge(checkNestedHierarchy(fField.getDeclaringType()));
pm.worked(1);
if (fUpdateReferences) {
pm.setTaskName(RefactoringCoreMessages.RenameFieldRefactoring_searching);
fReferences = getReferences(new SubProgressMonitor(pm, 3), result);
pm.setTaskName(RefactoringCoreMessages.RenameFieldRefactoring_checking);
} else {
fReferences = new SearchResultGroup[0];
pm.worked(3);
}
if (fUpdateReferences) result.merge(analyzeAffectedCompilationUnits());
else Checks.checkCompileErrorsInAffectedFile(result, fField.getResource());
if (getGetter() != null && fRenameGetter) {
result.merge(checkAccessor(new SubProgressMonitor(pm, 1), getGetter(), getNewGetterName()));
result.merge(
Checks.checkIfConstructorName(
getGetter(), getNewGetterName(), fField.getDeclaringType().getElementName()));
} else {
pm.worked(1);
}
if (getSetter() != null && fRenameSetter) {
result.merge(checkAccessor(new SubProgressMonitor(pm, 1), getSetter(), getNewSetterName()));
result.merge(
Checks.checkIfConstructorName(
getSetter(), getNewSetterName(), fField.getDeclaringType().getElementName()));
} else {
pm.worked(1);
}
result.merge(createChanges(new SubProgressMonitor(pm, 10)));
if (result.hasFatalError()) return result;
return result;
} finally {
pm.done();
}
}
public void checkInput(RefactoringStatus status, String methodName, ASTNode destination) {
ITypeBinding[] arguments = getArgumentTypes();
ITypeBinding type = ASTNodes.getEnclosingType(destination);
status.merge(Checks.checkMethodInType(type, methodName, arguments));
ITypeBinding superClass = type.getSuperclass();
if (superClass != null) {
status.merge(Checks.checkMethodInHierarchy(superClass, methodName, null, arguments));
}
for (ITypeBinding superInterface : type.getInterfaces()) {
status.merge(Checks.checkMethodInHierarchy(superInterface, methodName, null, arguments));
}
}
private RefactoringStatus checkExpressionFragmentIsRValue() throws JavaModelException {
/* Moved this functionality to Checks, to allow sharing with
ExtractTempRefactoring, others */
switch (Checks.checkExpressionIsRValue(getSelectedExpression().getAssociatedExpression())) {
case Checks.NOT_RVALUE_MISC:
return RefactoringStatus.createStatus(
RefactoringStatus.FATAL,
RefactoringCoreMessages.ExtractConstantRefactoring_select_expression,
null,
Corext.getPluginId(),
RefactoringStatusCodes.EXPRESSION_NOT_RVALUE,
null);
case Checks.NOT_RVALUE_VOID:
return RefactoringStatus.createStatus(
RefactoringStatus.FATAL,
RefactoringCoreMessages.ExtractConstantRefactoring_no_void,
null,
Corext.getPluginId(),
RefactoringStatusCodes.EXPRESSION_NOT_RVALUE_VOID,
null);
case Checks.IS_RVALUE_GUESSED:
case Checks.IS_RVALUE:
return new RefactoringStatus();
default:
Assert.isTrue(false);
return null;
}
}
static final IMethod[] hierarchyDeclaresMethodName(
IProgressMonitor pm, ITypeHierarchy hierarchy, IMethod method, String newName)
throws CoreException {
try {
Set<IMethod> result = new HashSet<>();
IType type = method.getDeclaringType();
IMethod foundMethod =
Checks.findMethod(newName, method.getParameterTypes().length, false, type);
if (foundMethod != null) result.add(foundMethod);
IMethod[] foundInHierarchyClasses =
classesDeclareMethodName(
hierarchy, Arrays.asList(hierarchy.getAllClasses()), method, newName);
if (foundInHierarchyClasses != null) result.addAll(Arrays.asList(foundInHierarchyClasses));
IType[] implementingClasses = hierarchy.getImplementingClasses(type);
IMethod[] foundInImplementingClasses =
classesDeclareMethodName(hierarchy, Arrays.asList(implementingClasses), method, newName);
if (foundInImplementingClasses != null)
result.addAll(Arrays.asList(foundInImplementingClasses));
return result.toArray(new IMethod[result.size()]);
} finally {
if (pm != null) {
pm.done();
}
}
}
private RefactoringStatus checkRelatedMethods() throws CoreException {
RefactoringStatus result = new RefactoringStatus();
for (Iterator<IMethod> iter = fMethodsToRename.iterator(); iter.hasNext(); ) {
IMethod method = iter.next();
result.merge(
Checks.checkIfConstructorName(
method, getNewElementName(), method.getDeclaringType().getElementName()));
String[] msgData =
new String[] {
BasicElementLabels.getJavaElementName(method.getElementName()),
BasicElementLabels.getJavaElementName(
method.getDeclaringType().getFullyQualifiedName('.'))
};
if (!method.exists()) {
result.addFatalError(
Messages.format(RefactoringCoreMessages.RenameMethodRefactoring_not_in_model, msgData));
continue;
}
if (method.isBinary())
result.addFatalError(
Messages.format(RefactoringCoreMessages.RenameMethodRefactoring_no_binary, msgData));
if (method.isReadOnly())
result.addFatalError(
Messages.format(RefactoringCoreMessages.RenameMethodRefactoring_no_read_only, msgData));
if (JdtFlags.isNative(method))
result.addError(
Messages.format(RefactoringCoreMessages.RenameMethodRefactoring_no_native_1, msgData));
}
return result;
}
/**
* This method performs checks on the constant name which are quick enough to be performed every
* time the ui input component contents are changed.
*
* @return return the resulting status
* @throws JavaModelException thrown when the operation could not be executed
*/
public RefactoringStatus checkConstantNameOnChange() throws JavaModelException {
if (Arrays.asList(getExcludedVariableNames()).contains(fConstantName))
return RefactoringStatus.createErrorStatus(
Messages.format(
RefactoringCoreMessages.ExtractConstantRefactoring_another_variable,
BasicElementLabels.getJavaElementName(getConstantName())));
return Checks.checkConstantName(fConstantName, fCu);
}
@Override
public RefactoringStatus checkInitialConditions(IProgressMonitor pm) throws CoreException {
if (!fMethod.exists()) {
String message =
Messages.format(
RefactoringCoreMessages.RenameMethodRefactoring_deleted,
BasicElementLabels.getFileName(fMethod.getCompilationUnit()));
return RefactoringStatus.createFatalErrorStatus(message);
}
RefactoringStatus result = Checks.checkAvailability(fMethod);
if (result.hasFatalError()) return result;
result.merge(Checks.checkIfCuBroken(fMethod));
if (JdtFlags.isNative(fMethod))
result.addError(RefactoringCoreMessages.RenameMethodRefactoring_no_native);
return result;
}
private IExpressionFragment getSelectedExpression() throws JavaModelException {
if (fSelectedExpression != null) return fSelectedExpression;
IASTFragment selectedFragment =
ASTFragmentFactory.createFragmentForSourceRange(
new SourceRange(fSelectionStart, fSelectionLength), fCuRewrite.getRoot(), fCu);
if (selectedFragment instanceof IExpressionFragment
&& !Checks.isInsideJavadoc(selectedFragment.getAssociatedNode())) {
fSelectedExpression = (IExpressionFragment) selectedFragment;
}
if (fSelectedExpression != null
&& Checks.isEnumCase(fSelectedExpression.getAssociatedExpression().getParent())) {
fSelectedExpression = null;
}
return fSelectedExpression;
}
public RefactoringStatus checkInitialConditions(IProgressMonitor pm) throws CoreException {
IField primary = (IField) fField.getPrimaryElement();
if (primary == null || !primary.exists()) {
String message =
Messages.format(
RefactoringCoreMessages.RenameFieldRefactoring_deleted,
BasicElementLabels.getFileName(fField.getCompilationUnit()));
return RefactoringStatus.createFatalErrorStatus(message);
}
fField = primary;
return Checks.checkIfCuBroken(fField);
}
public RefactoringStatus checkNewElementName(String newName) throws CoreException {
Assert.isNotNull(newName, "new name"); // $NON-NLS-1$
RefactoringStatus result = Checks.checkFieldName(newName, fField);
if (isInstanceField(fField) && (!Checks.startsWithLowerCase(newName)))
result.addWarning(
fIsComposite
? Messages.format(
RefactoringCoreMessages.RenameFieldRefactoring_should_start_lowercase2,
new String[] {
BasicElementLabels.getJavaElementName(newName), getDeclaringTypeLabel()
})
: RefactoringCoreMessages.RenameFieldRefactoring_should_start_lowercase);
if (Checks.isAlreadyNamed(fField, newName))
result.addError(
fIsComposite
? Messages.format(
RefactoringCoreMessages.RenameFieldRefactoring_another_name2,
new String[] {
BasicElementLabels.getJavaElementName(newName), getDeclaringTypeLabel()
})
: RefactoringCoreMessages.RenameFieldRefactoring_another_name,
JavaStatusContext.create(fField));
if (fField.getDeclaringType().getField(newName).exists())
result.addError(
fIsComposite
? Messages.format(
RefactoringCoreMessages.RenameFieldRefactoring_field_already_defined2,
new String[] {
BasicElementLabels.getJavaElementName(newName), getDeclaringTypeLabel()
})
: RefactoringCoreMessages.RenameFieldRefactoring_field_already_defined,
JavaStatusContext.create(fField.getDeclaringType().getField(newName)));
return result;
}
@Override
public RefactoringStatus checkInitialConditions(IProgressMonitor pm)
throws CoreException, OperationCanceledException {
RefactoringStatus result = new RefactoringStatus();
result.merge(Checks.checkAvailability(targetClass));
if (result.hasFatalError()) return result;
fRoot = new RefactoringASTParser(AST.JLS3).parse(targetClass.getCompilationUnit(), true, pm);
ISourceRange sourceRange = targetClass.getNameRange();
ASTNode node = NodeFinder.perform(fRoot, sourceRange.getOffset(), sourceRange.getLength());
if (node == null) {
return mappingErrorFound(result, node);
} else {
targetClassDeclaration = ASTNodeSearchUtil.getTypeDeclarationNode(targetClass, fRoot);
}
fRewriter = ASTRewrite.create(fRoot.getAST());
return result;
}
private RefactoringStatus checkEnclosingHierarchy() {
IType current = fField.getDeclaringType();
if (Checks.isTopLevel(current)) return null;
RefactoringStatus result = new RefactoringStatus();
while (current != null) {
IField otherField = current.getField(getNewElementName());
if (otherField.exists()) {
String msg =
Messages.format(
RefactoringCoreMessages.RenameFieldRefactoring_hiding2,
new String[] {
BasicElementLabels.getJavaElementName(getNewElementName()),
BasicElementLabels.getJavaElementName(current.getFullyQualifiedName('.')),
BasicElementLabels.getJavaElementName(otherField.getElementName())
});
result.addWarning(msg, JavaStatusContext.create(otherField));
}
current = current.getDeclaringType();
}
return result;
}
@Override
public RefactoringStatus checkInitialConditions(IProgressMonitor pm) throws CoreException {
try {
pm.beginTask("", 7); // $NON-NLS-1$
RefactoringStatus result = Checks.validateEdit(fCu, getValidationContext());
if (result.hasFatalError()) return result;
pm.worked(1);
if (fCuRewrite == null) {
CompilationUnit cuNode =
RefactoringASTParser.parseWithASTProvider(fCu, true, new SubProgressMonitor(pm, 3));
fCuRewrite = new CompilationUnitRewrite(fCu, cuNode);
} else {
pm.worked(3);
}
result.merge(checkSelection(new SubProgressMonitor(pm, 3)));
if (result.hasFatalError()) return result;
if (isLiteralNodeSelected()) fReplaceAllOccurrences = false;
if (isInTypeDeclarationAnnotation(getSelectedExpression().getAssociatedNode())) {
fVisibility = JdtFlags.VISIBILITY_STRING_PACKAGE;
}
ITypeBinding targetType = getContainingTypeBinding();
if (targetType.isInterface()) {
fTargetIsInterface = true;
fVisibility = JdtFlags.VISIBILITY_STRING_PUBLIC;
}
return result;
} finally {
pm.done();
}
}
// -------
private static IMethod[] classesDeclareMethodName(
ITypeHierarchy hier, List<IType> classes, IMethod method, String newName)
throws CoreException {
Set<IMethod> result = new HashSet<>();
IType type = method.getDeclaringType();
List<IType> subtypes = Arrays.asList(hier.getAllSubtypes(type));
int parameterCount = method.getParameterTypes().length;
boolean isMethodPrivate = JdtFlags.isPrivate(method);
for (Iterator<IType> iter = classes.iterator(); iter.hasNext(); ) {
IType clazz = iter.next();
IMethod[] methods = clazz.getMethods();
boolean isSubclass = subtypes.contains(clazz);
for (int j = 0; j < methods.length; j++) {
IMethod foundMethod =
Checks.findMethod(newName, parameterCount, false, new IMethod[] {methods[j]});
if (foundMethod == null) continue;
if (isSubclass || type.equals(clazz)) result.add(foundMethod);
else if ((!isMethodPrivate) && (!JdtFlags.isPrivate(methods[j]))) result.add(foundMethod);
}
}
return result.toArray(new IMethod[result.size()]);
}
/*
* @see Refactoring#checkInput(IProgressMonitor)
*/
@Override
public RefactoringStatus checkFinalConditions(IProgressMonitor pm) throws CoreException {
return Checks.validateModifiesFiles(
ResourceUtil.getFiles(new ICompilationUnit[] {fCUnit}), getValidationContext());
}
@SuppressWarnings({"unchecked"})
@Override
public RefactoringStatus checkFinalConditions(IProgressMonitor pm)
throws CoreException, OperationCanceledException {
RefactoringStatus result = new RefactoringStatus();
fChangeManager.clear();
pm.beginTask("", 12);
pm.setTaskName("Convert to AtomicInteger checking preconditions");
pm.worked(1);
if (result.hasFatalError()) return result;
pm.setTaskName("ConvertToAtomicInteger searching for cunits");
final SubProgressMonitor subPm = new SubProgressMonitor(pm, 5);
ICompilationUnit[] affectedCUs =
RefactoringSearchEngine.findAffectedCompilationUnits(
SearchPattern.createPattern(targetClass, IJavaSearchConstants.ALL_OCCURRENCES),
RefactoringScopeFactory.create(targetClass, true),
subPm,
result,
true);
if (result.hasFatalError()) return result;
pm.setTaskName("Analyzing the field");
IProgressMonitor sub = new SubProgressMonitor(pm, 5);
sub.beginTask("", affectedCUs.length);
List ownerDescriptions = new ArrayList();
ICompilationUnit owner = targetClass.getCompilationUnit();
for (int i = 0; i < affectedCUs.length; i++) {
ICompilationUnit unit = affectedCUs[i];
sub.subTask(unit.getElementName());
CompilationUnit root = null;
ASTRewrite rewriter = null;
List descriptions;
if (owner.equals(unit)) {
root = fRoot;
rewriter = fRewriter;
descriptions = ownerDescriptions;
} else {
root = new RefactoringASTParser(AST.JLS3).parse(unit, true);
rewriter = ASTRewrite.create(root.getAST());
descriptions = new ArrayList();
}
checkCompileErrors(result, root, unit);
// We will perform a different set of analysis and rewrites for the compilation unit
// containing the
// target class and other compilation units
if (owner.equals(unit)) {
// Analysis passes
ClassMutatorAnalysis mutatorAnalysis = new ClassMutatorAnalysis(targetClass, pm);
mutatorAnalysis.findMutators();
ClassConstructorAnalysis constructorAnalysis =
new ClassConstructorAnalysis(targetClassDeclaration);
targetClassDeclaration.accept(constructorAnalysis);
// Rewrite pass
MakeClassImmutableRewriter immutableRewriter =
new MakeClassImmutableRewriter(this, unit, rewriter);
immutableRewriter.rewrite(targetClassDeclaration, mutatorAnalysis, constructorAnalysis);
result.merge(immutableRewriter.getStatus());
if (result.hasFatalError()) {
fChangeManager.clear();
return result;
}
} else {
// descriptions.addAll(immutableRewriter.getGroupDescriptions());
createEdits(unit, rewriter, descriptions);
}
sub.worked(1);
if (pm.isCanceled()) throw new OperationCanceledException();
}
createEdits(owner, fRewriter, ownerDescriptions);
sub.done();
IFile[] filesToBeModified = ResourceUtil.getFiles(fChangeManager.getAllCompilationUnits());
result.merge(Checks.validateModifiesFiles(filesToBeModified, getValidationContext()));
if (result.hasFatalError()) return result;
ResourceChangeChecker.checkFilesToBeChanged(filesToBeModified, new SubProgressMonitor(pm, 1));
return result;
}
@Override
protected RefactoringStatus doCheckFinalConditions(
IProgressMonitor pm, CheckConditionsContext context) throws CoreException {
try {
RefactoringStatus result = new RefactoringStatus();
pm.beginTask("", 9); // $NON-NLS-1$
// TODO workaround for https://bugs.eclipse.org/bugs/show_bug.cgi?id=40367
if (!Checks.isAvailable(fMethod)) {
result.addFatalError(
RefactoringCoreMessages.RenameMethodProcessor_is_binary,
JavaStatusContext.create(fMethod));
return result;
}
result.merge(Checks.checkIfCuBroken(fMethod));
if (result.hasFatalError()) return result;
pm.setTaskName(
RefactoringCoreMessages.RenameMethodRefactoring_taskName_checkingPreconditions);
result.merge(checkNewElementName(getNewElementName()));
if (result.hasFatalError()) return result;
boolean mustAnalyzeShadowing;
IMethod[] newNameMethods =
searchForDeclarationsOfClashingMethods(new SubProgressMonitor(pm, 1));
if (newNameMethods.length == 0) {
mustAnalyzeShadowing = false;
pm.worked(1);
} else {
IType[] outerTypes =
searchForOuterTypesOfReferences(newNameMethods, new SubProgressMonitor(pm, 1));
if (outerTypes.length > 0) {
// There exists a reference to a clashing method, where the reference is in a nested type.
// That nested type could be a type in a ripple method's hierarchy, which could
// cause the reference to bind to the new ripple method instead of to
// its old binding (a method of an enclosing scope).
// -> Getting *more* references than before -> Semantics not preserved.
// Examples: RenameVirtualMethodInClassTests#testFail39() and #testFail41()
// TODO: could pass declaringTypes to the RippleMethodFinder and check whether
// a hierarchy contains one of outerTypes (or an outer type of an outerType, recursively).
mustAnalyzeShadowing = true;
} else {
boolean hasOldRefsInInnerTypes = true;
// TODO: to implement this optimization:
// - move search for references to before this check.
// - collect references in inner types.
// - for each reference, check for all supertypes and their enclosing types
// (recursively), whether they declare a rippleMethod
if (hasOldRefsInInnerTypes) {
// There exists a reference to a ripple method in a nested type
// of a type in the hierarchy of any ripple method.
// When that reference is renamed, and one of the supertypes of the
// nested type declared a method matching the new name, then
// the renamed reference will bind to the method in its supertype,
// since inherited methods bind stronger than methods from enclosing scopes.
// Getting *less* references than before -> Semantics not preserved.
// Examples: RenamePrivateMethodTests#testFail2(), RenamePrivateMethodTests#testFail5()
mustAnalyzeShadowing = true;
} else {
mustAnalyzeShadowing = false;
}
}
}
String binaryRefsDescription =
Messages.format(
RefactoringCoreMessages.ReferencesInBinaryContext_ref_in_binaries_description,
BasicElementLabels.getJavaElementName(getCurrentElementName()));
ReferencesInBinaryContext binaryRefs = new ReferencesInBinaryContext(binaryRefsDescription);
initializeMethodsToRename(new SubProgressMonitor(pm, 1), binaryRefs);
pm.setTaskName(
RefactoringCoreMessages.RenameMethodRefactoring_taskName_searchingForReferences);
fOccurrences = getOccurrences(new SubProgressMonitor(pm, 3), result, binaryRefs);
binaryRefs.addErrorIfNecessary(result);
pm.setTaskName(
RefactoringCoreMessages.RenameMethodRefactoring_taskName_checkingPreconditions);
if (fUpdateReferences) result.merge(checkRelatedMethods());
result.merge(analyzeCompilationUnits()); // removes CUs with syntax errors
pm.worked(1);
if (result.hasFatalError()) return result;
createChanges(new SubProgressMonitor(pm, 1), result);
if (fUpdateReferences & mustAnalyzeShadowing)
result.merge(analyzeRenameChanges(new SubProgressMonitor(pm, 1)));
else pm.worked(1);
return result;
} finally {
pm.done();
}
}