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));
}
@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 "";
}
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;
}
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;
}
@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 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);
}
}
}
@Override
@NotNull
public PsiElement[] getSecondaryElements() {
PsiElement element = getPsiElement();
if (ApplicationManager.getApplication().isUnitTestMode()) return PsiElement.EMPTY_ARRAY;
if (element instanceof PsiField) {
final PsiField field = (PsiField) element;
PsiClass containingClass = field.getContainingClass();
if (containingClass != null) {
String fieldName = field.getName();
final String propertyName =
JavaCodeStyleManager.getInstance(getProject())
.variableNameToPropertyName(fieldName, VariableKind.FIELD);
Set<PsiMethod> accessors = new THashSet<PsiMethod>();
boolean isStatic = field.hasModifierProperty(PsiModifier.STATIC);
PsiMethod getter =
PropertyUtil.findPropertyGetterWithType(
propertyName,
isStatic,
field.getType(),
ContainerUtil.iterate(containingClass.getMethods()));
if (getter != null) accessors.add(getter);
PsiMethod setter =
PropertyUtil.findPropertySetterWithType(
propertyName,
isStatic,
field.getType(),
ContainerUtil.iterate(containingClass.getMethods()));
if (setter != null) accessors.add(setter);
accessors.addAll(PropertyUtil.getAccessors(containingClass, fieldName));
if (!accessors.isEmpty()) {
final boolean doSearch;
boolean containsPhysical =
ContainerUtil.find(
accessors,
new Condition<PsiMethod>() {
@Override
public boolean value(PsiMethod psiMethod) {
return psiMethod.isPhysical();
}
})
!= null;
if (!containsPhysical) {
doSearch = true;
} else {
doSearch =
Messages.showOkCancelDialog(
FindBundle.message("find.field.accessors.prompt", fieldName),
FindBundle.message("find.field.accessors.title"),
CommonBundle.getYesButtonText(),
CommonBundle.getNoButtonText(),
Messages.getQuestionIcon())
== DialogWrapper.OK_EXIT_CODE;
}
if (doSearch) {
final Set<PsiElement> elements = new THashSet<PsiElement>();
for (PsiMethod accessor : accessors) {
ContainerUtil.addAll(
elements, SuperMethodWarningUtil.checkSuperMethods(accessor, ACTION_STRING));
}
return PsiUtilBase.toPsiElementArray(elements);
}
}
}
}
return super.getSecondaryElements();
}
public static PsiMethod generateSetterPrototype(PsiField field) {
return generateSetterPrototype(field, field.getContainingClass());
}