private static boolean processField(
@NotNull GrTypeDefinition grType,
@NotNull PsiScopeProcessor processor,
@NotNull ResolveState state,
@NotNull PsiElement place,
boolean processInstanceMethods,
@NotNull PsiSubstitutor substitutor,
@NotNull PsiElementFactory factory,
@NotNull LanguageLevel level,
CandidateInfo fieldInfo) {
final PsiField field = (PsiField) fieldInfo.getElement();
if (!processInstanceMember(processInstanceMethods, field) || isSameDeclaration(place, field)) {
return true;
}
LOG.assertTrue(field.getContainingClass() != null);
final PsiSubstitutor finalSubstitutor =
PsiClassImplUtil.obtainFinalSubstitutor(
field.getContainingClass(),
fieldInfo.getSubstitutor(),
grType,
substitutor,
factory,
level);
return processor.execute(field, state.put(PsiSubstitutor.KEY, finalSubstitutor));
}
public static void checkFieldConflicts(
@Nullable PsiClass aClass, String newName, final Map<PsiElement, String> conflicts) {
PsiField existingField = aClass != null ? aClass.findFieldByName(newName, true) : null;
if (existingField != null) {
if (aClass.equals(existingField.getContainingClass())) {
String className =
aClass instanceof PsiAnonymousClass
? RefactoringBundle.message("current.class")
: RefactoringUIUtil.getDescription(aClass, false);
final String conflict =
RefactoringBundle.message(
"field.0.is.already.defined.in.the.1", existingField.getName(), className);
conflicts.put(existingField, conflict);
} else { // method somewhere in base class
if (!existingField.hasModifierProperty(PsiModifier.PRIVATE)) {
String fieldInfo =
PsiFormatUtil.formatVariable(
existingField,
PsiFormatUtil.SHOW_NAME | PsiFormatUtil.SHOW_TYPE | PsiFormatUtil.TYPE_AFTER,
PsiSubstitutor.EMPTY);
String className =
RefactoringUIUtil.getDescription(existingField.getContainingClass(), false);
final String descr =
RefactoringBundle.message(
"field.0.will.hide.field.1.of.the.base.class", newName, fieldInfo, className);
conflicts.put(existingField, descr);
}
}
}
}
public static void registerQuickFix(
PsiMember refElement,
PsiJavaCodeReferenceElement place,
PsiClass accessObjectClass,
HighlightInfo error) {
if (refElement instanceof PsiField && place instanceof PsiReferenceExpression) {
final PsiField psiField = (PsiField) refElement;
final PsiClass containingClass = psiField.getContainingClass();
if (containingClass != null) {
if (PsiUtil.isOnAssignmentLeftHand((PsiExpression) place)) {
final PsiMethod setterPrototype = PropertyUtil.generateSetterPrototype(psiField);
final PsiMethod setter = containingClass.findMethodBySignature(setterPrototype, true);
if (setter != null && PsiUtil.isAccessible(setter, place, accessObjectClass)) {
QuickFixAction.registerQuickFixAction(
error, new ReplaceInaccessibleFieldWithGetterSetterFix(place, setter, true));
}
} else if (PsiUtil.isAccessedForReading((PsiExpression) place)) {
final PsiMethod getterPrototype = PropertyUtil.generateGetterPrototype(psiField);
final PsiMethod getter = containingClass.findMethodBySignature(getterPrototype, true);
if (getter != null && PsiUtil.isAccessible(getter, place, accessObjectClass)) {
QuickFixAction.registerQuickFixAction(
error, new ReplaceInaccessibleFieldWithGetterSetterFix(place, getter, false));
}
}
}
}
}
private GenerationInfo generateWithMethodFor(PsiField field) {
PsiMethod templateMethod = generateMethodPrototype(field);
PsiMethod existingMethod =
field.getContainingClass().findMethodBySignature(templateMethod, false);
return existingMethod == null ? new PsiGenerationInfo(templateMethod) : null;
}
@Override
public LightRef asLightUsage(@NotNull PsiElement element, @NotNull ByteArrayEnumerator names) {
if (mayBeVisibleOutsideOwnerFile(element)) {
if (element instanceof PsiField) {
final PsiField field = (PsiField) element;
final PsiClass aClass = field.getContainingClass();
if (aClass == null || aClass instanceof PsiAnonymousClass) return null;
final String jvmOwnerName = ClassUtil.getJVMClassName(aClass);
final String name = field.getName();
if (name == null || jvmOwnerName == null) return null;
return new LightRef.JavaLightFieldRef(id(jvmOwnerName, names), id(name, names));
} else if (element instanceof PsiMethod) {
final PsiClass aClass = ((PsiMethod) element).getContainingClass();
if (aClass == null || aClass instanceof PsiAnonymousClass) return null;
final String jvmOwnerName = ClassUtil.getJVMClassName(aClass);
if (jvmOwnerName == null) return null;
final PsiMethod method = (PsiMethod) element;
final String name = method.isConstructor() ? "<init>" : method.getName();
final int parametersCount = method.getParameterList().getParametersCount();
return new LightRef.JavaLightMethodRef(
id(jvmOwnerName, names), id(name, names), parametersCount);
} else if (element instanceof PsiClass) {
final String jvmClassName = ClassUtil.getJVMClassName((PsiClass) element);
if (jvmClassName != null) {
return new LightRef.JavaLightClassRef(id(jvmClassName, names));
}
}
}
return null;
}
@Nullable
private static String getCannotRefactorMessage(PsiMember member) {
if (member == null) {
return RefactoringBundle.message("locate.caret.inside.a.method");
}
if (member instanceof PsiMethod) {
if (((PsiMethod) member).isConstructor()) {
return RefactoringBundle.message("replace.with.method.call.does.not.work.for.constructors");
}
final PsiCodeBlock body = ((PsiMethod) member).getBody();
if (body == null) {
return RefactoringBundle.message("method.does.not.have.a.body", member.getName());
}
final PsiStatement[] statements = body.getStatements();
if (statements.length == 0) {
return RefactoringBundle.message("method.has.an.empty.body", member.getName());
}
} else if (member instanceof PsiField) {
final PsiField field = (PsiField) member;
if (field.getInitializer() == null) {
return "Field " + member.getName() + " doesn't have initializer";
}
final PsiClass containingClass = field.getContainingClass();
if (!field.hasModifierProperty(PsiModifier.FINAL)
|| !field.hasModifierProperty(PsiModifier.STATIC)
|| containingClass == null
|| containingClass.getQualifiedName() == null) {
return "Replace Duplicates works with constants only";
}
} else {
return "Caret should be inside method or constant";
}
return null;
}
@NotNull
public String elementToKotlin(@NotNull PsiElement element) {
if (element instanceof PsiJavaFile) {
return fileToFile((PsiJavaFile) element).toKotlin();
}
if (element instanceof PsiClass) {
return classToClass((PsiClass) element).toKotlin();
}
if (element instanceof PsiMethod) {
return methodToFunction((PsiMethod) element).toKotlin();
}
if (element instanceof PsiField) {
PsiField field = (PsiField) element;
return fieldToField(field, field.getContainingClass()).toKotlin();
}
if (element instanceof PsiStatement) {
return statementToStatement((PsiStatement) element).toKotlin();
}
if (element instanceof PsiExpression) {
return expressionToExpression((PsiExpression) element).toKotlin();
}
return "";
}
@NonNls
private static String computeConstantBooleanText(PsiExpression expression) {
if (!(expression instanceof PsiReferenceExpression)) {
return null;
}
final PsiReferenceExpression referenceExpression = (PsiReferenceExpression) expression;
final PsiElement target = referenceExpression.resolve();
if (!(target instanceof PsiField)) {
return null;
}
final PsiField field = (PsiField) target;
final PsiClass containingClass = field.getContainingClass();
if (containingClass == null) {
return null;
}
final String qualifiedName = containingClass.getQualifiedName();
if (!CommonClassNames.JAVA_LANG_BOOLEAN.equals(qualifiedName)) {
return null;
}
@NonNls final String name = field.getName();
if ("TRUE".equals(name)) {
return "true";
} else if ("FALSE".equals(name)) {
return "false";
} else {
return null;
}
}
private static boolean canWriteToFinal(
@NotNull PsiVariable variable,
@NotNull PsiExpression expression,
@NotNull PsiReferenceExpression reference,
@NotNull PsiFile containingFile) {
if (variable.hasInitializer()) return false;
if (variable instanceof PsiParameter) return false;
PsiElement innerClass = getInnerClassVariableReferencedFrom(variable, expression);
if (variable instanceof PsiField) {
// if inside some field initializer
if (HighlightUtil.findEnclosingFieldInitializer(expression) != null) return true;
// assignment from within inner class is illegal always
PsiField field = (PsiField) variable;
if (innerClass != null
&& !containingFile
.getManager()
.areElementsEquivalent(innerClass, field.getContainingClass())) return false;
final PsiMember enclosingCtrOrInitializer =
PsiUtil.findEnclosingConstructorOrInitializer(expression);
return enclosingCtrOrInitializer != null
&& isSameField(enclosingCtrOrInitializer, field, reference, containingFile);
}
if (variable instanceof PsiLocalVariable) {
boolean isAccessedFromOtherClass = innerClass != null;
if (isAccessedFromOtherClass) {
return false;
}
}
return true;
}
public FieldConflictsResolver(String name, GrCodeBlock scope) {
myScope = scope;
if (myScope == null) return;
final GroovyPsiElement resolved = ResolveUtil.resolveProperty(myScope, name);
if (resolved instanceof GrReferenceExpression || resolved == null) return;
assert resolved instanceof PsiVariable;
final PsiVariable oldVariable = (PsiVariable) resolved;
myField = oldVariable instanceof PsiField ? (PsiField) oldVariable : null;
if (!(oldVariable instanceof PsiField)) return;
myReferenceExpressions = new ArrayList<>();
for (PsiReference reference :
ReferencesSearch.search(myField, new LocalSearchScope(myScope), false)) {
final PsiElement element = reference.getElement();
if (element instanceof GrReferenceExpression) {
final GrReferenceExpression referenceExpression = (GrReferenceExpression) element;
if (referenceExpression.getQualifier() == null) {
myReferenceExpressions.add(referenceExpression);
}
}
}
if (myField.hasModifierProperty(PsiModifier.STATIC)) {
myQualifyingClass = myField.getContainingClass();
}
}
@Nullable
static HighlightInfo checkFinalFieldInitialized(@NotNull PsiField field) {
if (!field.hasModifierProperty(PsiModifier.FINAL)) return null;
if (isFieldInitializedAfterObjectConstruction(field)) return null;
String description = JavaErrorMessages.message("variable.not.initialized", field.getName());
TextRange range = HighlightNamesUtil.getFieldDeclarationTextRange(field);
HighlightInfo highlightInfo =
HighlightInfo.newHighlightInfo(HighlightInfoType.ERROR)
.range(range)
.descriptionAndTooltip(description)
.create();
QuickFixAction.registerQuickFixAction(
highlightInfo,
HighlightMethodUtil.getFixRange(field),
QUICK_FIX_FACTORY.createCreateConstructorParameterFromFieldFix(field));
QuickFixAction.registerQuickFixAction(
highlightInfo,
HighlightMethodUtil.getFixRange(field),
QUICK_FIX_FACTORY.createInitializeFinalFieldInConstructorFix(field));
final PsiClass containingClass = field.getContainingClass();
if (containingClass != null && !containingClass.isInterface()) {
QuickFixAction.registerQuickFixAction(
highlightInfo,
QUICK_FIX_FACTORY.createModifierListFix(field, PsiModifier.FINAL, false, false));
}
QuickFixAction.registerQuickFixAction(
highlightInfo, QUICK_FIX_FACTORY.createAddVariableInitializerFix(field));
return highlightInfo;
}
public VariableLookupItem(PsiField field, boolean shouldImport) {
super(field, field.getName());
myHelper = new MemberLookupHelper(field, field.getContainingClass(), shouldImport, false);
if (!shouldImport) {
forceQualify();
}
}
public FieldConflictsResolver(String name, PsiCodeBlock scope) {
myScope = scope;
if (myScope == null) {
myField = null;
myReferenceExpressions = null;
return;
}
JavaPsiFacade facade = JavaPsiFacade.getInstance(myScope.getProject());
final PsiVariable oldVariable =
facade.getResolveHelper().resolveAccessibleReferencedVariable(name, myScope);
myField = oldVariable instanceof PsiField ? (PsiField) oldVariable : null;
if (!(oldVariable instanceof PsiField)) {
myReferenceExpressions = null;
return;
}
myReferenceExpressions = new ArrayList<PsiReferenceExpression>();
for (PsiReference reference :
ReferencesSearch.search(myField, new LocalSearchScope(myScope), false)) {
final PsiElement element = reference.getElement();
if (element instanceof PsiReferenceExpression) {
final PsiReferenceExpression referenceExpression = (PsiReferenceExpression) element;
if (referenceExpression.getQualifierExpression() == null) {
myReferenceExpressions.add(referenceExpression);
}
}
}
if (myField.hasModifierProperty(PsiModifier.STATIC)) {
myQualifyingClass = myField.getContainingClass();
}
}
public CreateConstructorParameterFromFieldFix(@NotNull PsiField field) {
myClass = field.getContainingClass();
myField =
SmartPointerManager.getInstance(field.getProject()).createSmartPsiElementPointer(field);
if (myClass != null) {
getFieldsToFix().add(myField);
}
}
public Collection<PsiElement> getAdditionalElementsToDelete(
@NotNull final PsiElement element,
@NotNull final Collection<PsiElement> allElementsToDelete,
final boolean askUser) {
if (element instanceof PsiField) {
PsiField field = (PsiField) element;
final Project project = element.getProject();
String propertyName =
JavaCodeStyleManager.getInstance(project)
.variableNameToPropertyName(field.getName(), VariableKind.FIELD);
PsiClass aClass = field.getContainingClass();
if (aClass != null) {
boolean isStatic = field.hasModifierProperty(PsiModifier.STATIC);
PsiMethod[] getters =
GetterSetterPrototypeProvider.findGetters(aClass, propertyName, isStatic);
if (getters != null) {
final List<PsiMethod> validGetters = new ArrayList<>(1);
for (PsiMethod getter : getters) {
if (!allElementsToDelete.contains(getter) && (getter != null && getter.isPhysical())) {
validGetters.add(getter);
}
}
getters =
validGetters.isEmpty()
? null
: validGetters.toArray(new PsiMethod[validGetters.size()]);
}
PsiMethod setter = PropertyUtil.findPropertySetter(aClass, propertyName, isStatic, false);
if (allElementsToDelete.contains(setter) || setter != null && !setter.isPhysical())
setter = null;
if (askUser && (getters != null || setter != null)) {
final String message =
RefactoringMessageUtil.getGetterSetterMessage(
field.getName(),
RefactoringBundle.message("delete.title"),
getters != null ? getters[0] : null,
setter);
if (!ApplicationManager.getApplication().isUnitTestMode()
&& Messages.showYesNoDialog(
project,
message,
RefactoringBundle.message("safe.delete.title"),
Messages.getQuestionIcon())
!= Messages.YES) {
getters = null;
setter = null;
}
}
List<PsiElement> elements = new ArrayList<>();
if (setter != null) elements.add(setter);
if (getters != null) Collections.addAll(elements, getters);
return elements;
}
}
return null;
}
public RemoveMiddlemanProcessor(PsiField field, List<MemberInfo> memberInfos) {
super(field.getProject());
this.field = field;
containingClass = field.getContainingClass();
final String propertyName = PropertyUtil.suggestPropertyName(field);
final boolean isStatic = field.hasModifierProperty(PsiModifier.STATIC);
getter = PropertyUtil.findPropertyGetter(containingClass, propertyName, isStatic, false);
myDelegateMethodInfos = memberInfos;
}
private static boolean isAvailable(PsiField field) {
PsiClass containingClass = field == null ? null : field.getContainingClass();
return field != null
&& field.getManager().isInProject(field)
&& !field.hasModifierProperty(PsiModifier.STATIC)
&& containingClass != null
&& !(containingClass instanceof PsiSyntheticClass)
&& containingClass.getName() != null;
}
private static PsiStatement addInitializationToConstructors(
PsiLocalVariable local,
PsiField field,
PsiMethod enclosingConstructor,
PsiElementFactory factory)
throws IncorrectOperationException {
PsiClass aClass = field.getContainingClass();
PsiMethod[] constructors = aClass.getConstructors();
PsiStatement assignment = createAssignment(local, field.getName(), factory);
boolean added = false;
for (PsiMethod constructor : constructors) {
if (constructor == enclosingConstructor) continue;
PsiCodeBlock body = constructor.getBody();
if (body == null) continue;
PsiStatement[] statements = body.getStatements();
if (statements.length > 0) {
PsiStatement first = statements[0];
if (first instanceof PsiExpressionStatement) {
PsiExpression expression = ((PsiExpressionStatement) first).getExpression();
if (expression instanceof PsiMethodCallExpression) {
@NonNls
String text = ((PsiMethodCallExpression) expression).getMethodExpression().getText();
if ("this".equals(text)) {
continue;
}
if ("super".equals(text)
&& enclosingConstructor == null
&& PsiTreeUtil.isAncestor(constructor, local, false)) {
local.delete();
return (PsiStatement) body.addAfter(assignment, first);
}
}
}
if (enclosingConstructor == null && PsiTreeUtil.isAncestor(constructor, local, false)) {
local.delete();
return (PsiStatement) body.addBefore(assignment, first);
}
}
assignment = (PsiStatement) body.add(assignment);
added = true;
}
if (!added && enclosingConstructor == null) {
if (aClass instanceof PsiAnonymousClass) {
final PsiClassInitializer classInitializer =
(PsiClassInitializer) aClass.addAfter(factory.createClassInitializer(), field);
assignment = (PsiStatement) classInitializer.getBody().add(assignment);
} else {
PsiMethod constructor = (PsiMethod) aClass.add(factory.createConstructor());
assignment = (PsiStatement) constructor.getBody().add(assignment);
}
}
if (enclosingConstructor == null) local.delete();
return assignment;
}
@Override
public void findExistingNameConflicts(
PsiElement element, String newName, MultiMap<PsiElement, String> conflicts) {
if (element instanceof PsiCompiledElement) return;
if (element instanceof PsiField) {
PsiField refactoredField = (PsiField) element;
if (newName.equals(refactoredField.getName())) return;
ConflictsUtil.checkFieldConflicts(refactoredField.getContainingClass(), newName, conflicts);
}
}
private PsiMethod generateMethodFor(
PsiField field, String methodName, String parameterName, PsiElementFactory elementFactory) {
PsiMethod withMethod =
elementFactory.createMethod(
methodName, elementFactory.createType(field.getContainingClass()));
PsiParameter parameter = elementFactory.createParameter(parameterName, field.getType());
withMethod.getParameterList().add(parameter);
PsiUtil.setModifierProperty(withMethod, PsiModifier.PUBLIC, true);
return withMethod;
}
@Nullable
public static PsiField findPropertyFieldByMember(final PsiMember psiMember) {
if (psiMember instanceof PsiField) {
return (PsiField) psiMember;
} else if (psiMember instanceof PsiMethod) {
final PsiMethod psiMethod = (PsiMethod) psiMember;
final PsiType returnType = psiMethod.getReturnType();
if (returnType == null) return null;
final PsiCodeBlock body = psiMethod.getBody();
final PsiStatement[] statements = body == null ? null : body.getStatements();
final PsiStatement statement =
statements == null || statements.length != 1 ? null : statements[0];
final PsiElement target;
if (PsiType.VOID.equals(returnType)) {
final PsiExpression expression =
statement instanceof PsiExpressionStatement
? ((PsiExpressionStatement) statement).getExpression()
: null;
target =
expression instanceof PsiAssignmentExpression
? ((PsiAssignmentExpression) expression).getLExpression()
: null;
} else {
target =
statement instanceof PsiReturnStatement
? ((PsiReturnStatement) statement).getReturnValue()
: null;
}
final PsiElement resolved =
target instanceof PsiReferenceExpression
? ((PsiReferenceExpression) target).resolve()
: null;
if (resolved instanceof PsiField) {
final PsiField field = (PsiField) resolved;
if (psiMember.getContainingClass() == field.getContainingClass()
|| psiMember.getContainingClass().isInheritor(field.getContainingClass(), true))
return field;
}
}
return null;
}
public static boolean isFieldEquivalentTo(@NotNull PsiField field, PsiElement another) {
if (!(another instanceof PsiField)) return false;
String name1 = field.getName();
if (name1 == null) return false;
if (!another.isValid()) return false;
String name2 = ((PsiField) another).getName();
if (!name1.equals(name2)) return false;
PsiClass aClass1 = field.getContainingClass();
PsiClass aClass2 = ((PsiField) another).getContainingClass();
return aClass1 != null
&& aClass2 != null
&& field.getManager().areElementsEquivalent(aClass1, aClass2);
}
private static boolean isSameField(
@NotNull PsiMember enclosingCtrOrInitializer,
@NotNull PsiField field,
@NotNull PsiReferenceExpression reference,
@NotNull PsiFile containingFile) {
if (!containingFile
.getManager()
.areElementsEquivalent(
enclosingCtrOrInitializer.getContainingClass(), field.getContainingClass()))
return false;
PsiExpression qualifierExpression = reference.getQualifierExpression();
return qualifierExpression == null || qualifierExpression instanceof PsiThisExpression;
}
String getNewName(@NotNull PsiElement element) {
String name = myNameMap.get(element);
if (name != null) {
return name;
}
if (element instanceof GrTraitField) {
PsiField prototype = ((GrTraitField) element).getPrototype();
String newPrototypeName = getNewName(prototype);
return GrTraitUtil.getTraitFieldPrefix(prototype.getContainingClass()) + newPrototypeName;
}
return null;
}
private static void findSubmemberHidesFieldCollisions(
final PsiField field, final String newName, final List<UsageInfo> result) {
if (field.getContainingClass() == null) return;
if (field.hasModifierProperty(PsiModifier.PRIVATE)) return;
final PsiClass containingClass = field.getContainingClass();
Collection<PsiClass> inheritors = ClassInheritorsSearch.search(containingClass).findAll();
for (PsiClass inheritor : inheritors) {
PsiField conflictingField = inheritor.findFieldByName(newName, false);
if (conflictingField != null) {
result.add(new SubmemberHidesMemberUsageInfo(conflictingField, field));
} else { // local class
final PsiMember member = PsiTreeUtil.getParentOfType(inheritor, PsiMember.class);
if (member != null) {
final ArrayList<PsiVariable> variables = new ArrayList<>();
ControlFlowUtil.collectOuterLocals(variables, inheritor, inheritor, member);
for (PsiVariable variable : variables) {
if (newName.equals(variable.getName())) {
result.add(new FieldHidesLocalUsageInfo(variable, field));
}
}
}
}
}
}
private static void addFieldsUsages(
final PsiClass aClass,
final Processor<UsageInfo> results,
final JavaClassFindUsagesOptions options) {
if (options.isIncludeInherited) {
final PsiManager manager = aClass.getManager();
PsiField[] fields = aClass.getAllFields();
FieldsLoop:
for (int i = 0; i < fields.length; i++) {
final PsiField field = fields[i];
// filter hidden fields
for (int j = 0; j < i; j++) {
if (Comparing.strEqual(field.getName(), fields[j].getName())) continue FieldsLoop;
}
final PsiClass fieldClass = field.getContainingClass();
if (manager.areElementsEquivalent(fieldClass, aClass)) {
addElementUsages(fields[i], results, options);
} else {
ReferencesSearch.search(
new ReferencesSearch.SearchParameters(
field, options.searchScope, false, options.fastTrack))
.forEach(
new ReadActionProcessor<PsiReference>() {
@Override
public boolean processInReadAction(final PsiReference reference) {
addResultFromReference(
reference, fieldClass, manager, aClass, results, options);
return true;
}
});
}
}
} else {
PsiField[] fields =
ApplicationManager.getApplication()
.runReadAction(
new Computable<PsiField[]>() {
@Override
public PsiField[] compute() {
return aClass.getFields();
}
});
for (PsiField field : fields) {
addElementUsages(field, results, options);
}
}
}
public static boolean isFieldInitializedAfterObjectConstruction(@NotNull PsiField field) {
if (field.hasInitializer()) return true;
final boolean isFieldStatic = field.hasModifierProperty(PsiModifier.STATIC);
final PsiClass aClass = field.getContainingClass();
if (aClass != null) {
// field might be assigned in the other field initializers
if (isFieldInitializedInOtherFieldInitializer(aClass, field, isFieldStatic)) return true;
}
final PsiClassInitializer[] initializers;
if (aClass != null) {
initializers = aClass.getInitializers();
} else {
return false;
}
for (PsiClassInitializer initializer : initializers) {
if (initializer.hasModifierProperty(PsiModifier.STATIC) == isFieldStatic
&& variableDefinitelyAssignedIn(field, initializer.getBody())) {
return true;
}
}
if (isFieldStatic) {
return false;
} else {
// instance field should be initialized at the end of the each constructor
final PsiMethod[] constructors = aClass.getConstructors();
if (constructors.length == 0) return false;
nextConstructor:
for (PsiMethod constructor : constructors) {
PsiCodeBlock ctrBody = constructor.getBody();
if (ctrBody == null) return false;
final List<PsiMethod> redirectedConstructors =
JavaHighlightUtil.getChainedConstructors(constructor);
for (int j = 0; redirectedConstructors != null && j < redirectedConstructors.size(); j++) {
PsiMethod redirectedConstructor = redirectedConstructors.get(j);
final PsiCodeBlock body = redirectedConstructor.getBody();
if (body != null && variableDefinitelyAssignedIn(field, body)) continue nextConstructor;
}
if (!ctrBody.isValid() || variableDefinitelyAssignedIn(field, ctrBody)) {
continue;
}
return false;
}
return true;
}
}
private boolean isInitializedInInitializer(
@NotNull PsiField field, UninitializedReadCollector uninitializedReadsCollector) {
final PsiClass aClass = field.getContainingClass();
if (aClass == null) {
return false;
}
final PsiClassInitializer[] initializers = aClass.getInitializers();
for (final PsiClassInitializer initializer : initializers) {
if (!initializer.hasModifierProperty(PsiModifier.STATIC)) {
final PsiCodeBlock body = initializer.getBody();
if (uninitializedReadsCollector.blockAssignsVariable(body, field)) {
return true;
}
}
}
return false;
}
public void visitClass(PsiClass aClass) {
super.visitClass(aClass);
if (isConcreteClass(aClass)) {
final PsiField[] allFields = aClass.getAllFields();
int numInheritedFields = 0;
for (final PsiField field : allFields) {
final PsiClass containingClass = field.getContainingClass();
if (containingClass != null
&& !containingClass.equals(aClass)
&& !field.hasModifierProperty(PsiModifier.STATIC)) {
numInheritedFields++;
}
}
postMetric(aClass, numInheritedFields);
}
}
private static void qualifyFieldReference(InsertionContext context, PsiField field) {
context.commitDocument();
PsiFile file = context.getFile();
final PsiReference reference = file.findReferenceAt(context.getStartOffset());
if (reference instanceof PsiJavaCodeReferenceElement
&& ((PsiJavaCodeReferenceElement) reference).isQualified()) {
return;
}
PsiClass containingClass = field.getContainingClass();
if (containingClass != null && containingClass.getName() != null) {
OffsetKey oldStart = context.trackOffset(context.getStartOffset(), true);
JavaCompletionUtil.insertClassReference(containingClass, file, context.getStartOffset());
context.getDocument().insertString(context.getOffsetMap().getOffset(oldStart), ".");
PsiDocumentManager.getInstance(context.getProject()).commitDocument(context.getDocument());
}
}
