@Override
public void visitNewExpression(@NotNull PsiNewExpression expression) {
if (!PsiUtil.isLanguageLevel5OrHigher(expression)) {
return;
}
super.visitNewExpression(expression);
final PsiType type = expression.getType();
if (type == null) {
return;
}
final String canonicalText = type.getCanonicalText();
if (!cachedNumberTypes.contains(canonicalText)) {
return;
}
final PsiClass aClass = ClassUtils.getContainingClass(expression);
if (aClass != null && cachedNumberTypes.contains(aClass.getQualifiedName())) {
return;
}
final PsiExpressionList argumentList = expression.getArgumentList();
if (argumentList == null) {
return;
}
final PsiExpression[] arguments = argumentList.getExpressions();
if (arguments.length != 1) {
return;
}
final PsiExpression argument = arguments[0];
final PsiType argumentType = argument.getType();
if (argumentType == null || argumentType.equalsToText("java.lang.String")) {
return;
}
registerError(expression, expression);
}
public boolean isAvailable(
@NotNull Project project, Editor editor, @Nullable PsiElement element) {
if (element == null) return false;
if (!PsiUtil.isLanguageLevel5OrHigher(element)) return false;
if (!element.isWritable()) return false;
return findVariable(element) != null;
}
public static PsiType getType(@NotNull PsiClassObjectAccessExpression classAccessExpression) {
GlobalSearchScope resolveScope = classAccessExpression.getResolveScope();
PsiManager manager = classAccessExpression.getManager();
final PsiClass classClass =
JavaPsiFacade.getInstance(manager.getProject()).findClass("java.lang.Class", resolveScope);
if (classClass == null) {
return new PsiClassReferenceType(
new LightClassReference(manager, "Class", "java.lang.Class", resolveScope), null);
}
if (!PsiUtil.isLanguageLevel5OrHigher(classAccessExpression)) {
// Raw java.lang.Class
return JavaPsiFacade.getInstance(manager.getProject())
.getElementFactory()
.createType(classClass);
}
PsiSubstitutor substitutor = PsiSubstitutor.EMPTY;
PsiType operandType = classAccessExpression.getOperand().getType();
if (operandType instanceof PsiPrimitiveType && !PsiType.NULL.equals(operandType)) {
if (PsiType.VOID.equals(operandType)) {
operandType =
JavaPsiFacade.getInstance(manager.getProject())
.getElementFactory()
.createTypeByFQClassName("java.lang.Void", classAccessExpression.getResolveScope());
} else {
operandType = ((PsiPrimitiveType) operandType).getBoxedType(classAccessExpression);
}
}
final PsiTypeParameter[] typeParameters = classClass.getTypeParameters();
if (typeParameters.length == 1) {
substitutor = substitutor.put(typeParameters[0], operandType);
}
return new PsiImmediateClassType(classClass, substitutor);
}
@NotNull
@Override
public PsiElementVisitor buildVisitor(@NotNull ProblemsHolder holder, boolean isOnTheFly) {
PsiFile file = holder.getFile();
if (!PsiUtil.isLanguageLevel5OrHigher(file)) return new PsiElementVisitor() {};
return super.buildVisitor(holder, isOnTheFly);
}
@Override
public boolean isAvailable(@NotNull Project project, Editor editor, PsiFile file) {
return PsiUtil.isLanguageLevel5OrHigher(file)
&& myMethodCall.getElement() != null
&& myMethodCall.getElement().isValid()
&& myMethodCall.getElement().getMethodExpression().getQualifierExpression() == null
&& file.getManager().isInProject(file)
&& !(candidates == null ? candidates = getMethodsToImport() : candidates).isEmpty();
}
@NotNull
@Override
public PsiElementVisitor buildVisitor(@NotNull ProblemsHolder holder, boolean isOnTheFly) {
PsiFile psiFile = holder.getFile();
if (psiFile.getLanguage() != JavaLanguage.INSTANCE
|| !PsiUtil.isLanguageLevel5OrHigher(psiFile)) {
return new PsiElementVisitor() {};
}
return super.buildVisitor(holder, isOnTheFly);
}
@Override
public void visitElement(PsiElement element) {
if (element.getLanguage() != JavaLanguage.INSTANCE) {
return;
}
if (!PsiUtil.isLanguageLevel5OrHigher(element)) {
return;
}
super.visitElement(element);
}
@Override
public boolean isAvailable(@NotNull Project project, Editor editor, PsiFile file) {
return PsiUtil.isLanguageLevel5OrHigher(file)
&& file instanceof PsiJavaFile
&& getElement() != null
&& getElement().isValid()
&& getQualifierExpression() == null
&& resolveRef() == null
&& file.getManager().isInProject(file)
&& !(candidates == null ? candidates = getMembersToImport(false) : candidates).isEmpty();
}
private static ThreeState isReferenceToAnnotation(final PsiElement psiElement) {
if (!PsiUtil.isLanguageLevel5OrHigher(psiElement)) {
return ThreeState.NO;
}
if (PsiTreeUtil.getParentOfType(psiElement, PsiAnnotation.class) != null) {
return ThreeState.YES;
}
if (PsiTreeUtil.getParentOfType(psiElement, PsiImportStatement.class) != null) {
return ThreeState.UNSURE;
}
return ThreeState.NO;
}
@Override
public boolean isAvailable(
@NotNull Project project,
@NotNull PsiFile file,
@NotNull PsiElement startElement,
@NotNull PsiElement endElement) {
if (!startElement.isValid()) return false;
if (!PsiUtil.isLanguageLevel5OrHigher(startElement)) return false;
final PsiModifierListOwner myModifierListOwner = (PsiModifierListOwner) startElement;
return !AnnotationUtil.isAnnotated(myModifierListOwner, myAnnotation, false);
}
/**
* Allows to check if static import may be performed for the given element.
*
* @param element element to check
* @return target class that may be statically imported if any; <code>null</code> otherwise
*/
@Nullable
public static PsiClass getClassToPerformStaticImport(@NotNull PsiElement element) {
if (!PsiUtil.isLanguageLevel5OrHigher(element)) return null;
if (!(element instanceof PsiIdentifier)
|| !(element.getParent() instanceof PsiJavaCodeReferenceElement)) {
return null;
}
PsiJavaCodeReferenceElement refExpr = (PsiJavaCodeReferenceElement) element.getParent();
if (refExpr instanceof PsiMethodReferenceExpression) return null;
final PsiElement gParent = refExpr.getParent();
if (gParent instanceof PsiMethodReferenceExpression) return null;
if (!(gParent instanceof PsiJavaCodeReferenceElement)
|| isParameterizedReference((PsiJavaCodeReferenceElement) gParent)) return null;
PsiElement resolved = refExpr.resolve();
if (!(resolved instanceof PsiClass)) {
return null;
}
PsiClass psiClass = (PsiClass) resolved;
if (PsiUtil.isFromDefaultPackage(psiClass)
|| psiClass.hasModifierProperty(PsiModifier.PRIVATE)
|| psiClass.getQualifiedName() == null) return null;
final PsiElement ggParent = gParent.getParent();
if (ggParent instanceof PsiMethodCallExpression) {
final PsiMethodCallExpression call = (PsiMethodCallExpression) ggParent.copy();
final PsiElement qualifier = call.getMethodExpression().getQualifier();
if (qualifier == null) return null;
qualifier.delete();
final PsiMethod method = call.resolveMethod();
if (method != null && method.getContainingClass() != psiClass) return null;
} else {
final PsiJavaCodeReferenceElement copy = (PsiJavaCodeReferenceElement) gParent.copy();
final PsiElement qualifier = copy.getQualifier();
if (qualifier == null) return null;
qualifier.delete();
final PsiElement target = copy.resolve();
if (target != null && PsiTreeUtil.getParentOfType(target, PsiClass.class) != psiClass)
return null;
}
PsiFile file = refExpr.getContainingFile();
if (!(file instanceof PsiJavaFile)) return null;
PsiImportList importList = ((PsiJavaFile) file).getImportList();
if (importList == null) return null;
return psiClass;
}
@Nullable
@Override
public CommonProblemDescriptor[] checkElement(
@NotNull RefEntity refEntity,
@NotNull AnalysisScope scope,
@NotNull InspectionManager manager,
@NotNull GlobalInspectionContext globalContext) {
if (!(refEntity instanceof RefPackage)) {
return null;
}
final RefPackage refPackage = (RefPackage) refEntity;
final String packageName = refPackage.getQualifiedName();
final Project project = globalContext.getProject();
final PsiPackage aPackage = JavaPsiFacade.getInstance(project).findPackage(packageName);
if (aPackage == null) {
return null;
}
final List<RefEntity> children = refPackage.getChildren();
boolean hasClasses = false;
for (RefEntity child : children) {
if (child instanceof RefClass) {
hasClasses = true;
break;
}
}
if (!hasClasses) {
return null;
}
final PsiDirectory[] directories = aPackage.getDirectories();
for (PsiDirectory directory : directories) {
final boolean packageInfoFound = directory.findFile(PsiPackage.PACKAGE_INFO_FILE) != null;
final boolean packageDotHtmlFound = directory.findFile("package.html") != null;
if (packageInfoFound || packageDotHtmlFound) {
return null;
}
}
if (PsiUtil.isLanguageLevel5OrHigher(aPackage)) {
return new CommonProblemDescriptor[] {
manager.createProblemDescriptor(
InspectionGadgetsBundle.message("missing.package.info.problem.descriptor", packageName))
};
} else {
return new CommonProblemDescriptor[] {
manager.createProblemDescriptor(
InspectionGadgetsBundle.message("missing.package.html.problem.descriptor", packageName))
};
}
}
@Override
public void visitForStatement(
@NotNull PsiForStatement forStatement) {
super.visitForStatement(forStatement);
if (!PsiUtil.isLanguageLevel5OrHigher(forStatement)) {
return;
}
if (isArrayLoopStatement(forStatement)
|| isCollectionLoopStatement(forStatement,
ignoreUntypedCollections)
|| (REPORT_INDEXED_LOOP &&
isIndexedListLoopStatement(forStatement,
ignoreUntypedCollections))) {
registerStatementError(forStatement);
}
}
@Nullable
private static String getCollectionsAddAllText(PsiForeachStatement foreachStatement)
throws IncorrectOperationException {
final PsiStatement body = getBody(foreachStatement);
if (!(body instanceof PsiExpressionStatement)) {
return null;
}
final PsiExpressionStatement expressionStatement = (PsiExpressionStatement) body;
final PsiMethodCallExpression methodCallExpression =
(PsiMethodCallExpression) expressionStatement.getExpression();
final PsiReferenceExpression methodExpression = methodCallExpression.getMethodExpression();
final PsiElement collection = methodExpression.getQualifier();
if (collection == null) {
// fixme for when the array is added to 'this'
return null;
}
final String collectionText = collection.getText();
final PsiExpression iteratedValue = foreachStatement.getIteratedValue();
if (iteratedValue == null) {
return null;
}
final String arrayText = iteratedValue.getText();
@NonNls final StringBuilder buffer = new StringBuilder();
if (PsiUtil.isLanguageLevel5OrHigher(foreachStatement)) {
buffer.append("java.util.Collections.addAll(");
buffer.append(collectionText);
buffer.append(',');
buffer.append(arrayText);
buffer.append(");");
} else {
buffer.append(collectionText);
buffer.append(".addAll(java.util.Arrays.asList(");
buffer.append(arrayText);
buffer.append("));");
}
return buffer.toString();
}
static void setupPatternMethods(
PsiManager manager,
GlobalSearchScope searchScope,
List<PsiMethod> patternMethods,
IntArrayList indices) {
final JavaPsiFacade javaPsiFacade = JavaPsiFacade.getInstance(manager.getProject());
final PsiClass collectionClass =
javaPsiFacade.findClass(CommonClassNames.JAVA_UTIL_COLLECTION, searchScope);
PsiType[] javaLangObject = {PsiType.getJavaLangObject(manager, searchScope)};
MethodSignature removeSignature =
MethodSignatureUtil.createMethodSignature(
"remove", javaLangObject, PsiTypeParameter.EMPTY_ARRAY, PsiSubstitutor.EMPTY);
if (collectionClass != null) {
PsiMethod remove =
MethodSignatureUtil.findMethodBySignature(collectionClass, removeSignature, false);
addMethod(remove, 0, patternMethods, indices);
MethodSignature containsSignature =
MethodSignatureUtil.createMethodSignature(
"contains", javaLangObject, PsiTypeParameter.EMPTY_ARRAY, PsiSubstitutor.EMPTY);
PsiMethod contains =
MethodSignatureUtil.findMethodBySignature(collectionClass, containsSignature, false);
addMethod(contains, 0, patternMethods, indices);
if (PsiUtil.isLanguageLevel5OrHigher(collectionClass)) {
PsiClassType wildcardCollection =
javaPsiFacade
.getElementFactory()
.createType(collectionClass, PsiWildcardType.createUnbounded(manager));
MethodSignature removeAllSignature =
MethodSignatureUtil.createMethodSignature(
"removeAll",
new PsiType[] {wildcardCollection},
PsiTypeParameter.EMPTY_ARRAY,
PsiSubstitutor.EMPTY);
PsiMethod removeAll =
MethodSignatureUtil.findMethodBySignature(collectionClass, removeAllSignature, false);
addMethod(removeAll, 0, patternMethods, indices);
}
}
final PsiClass listClass =
javaPsiFacade.findClass(CommonClassNames.JAVA_UTIL_LIST, searchScope);
if (listClass != null) {
MethodSignature indexofSignature =
MethodSignatureUtil.createMethodSignature(
"indexOf", javaLangObject, PsiTypeParameter.EMPTY_ARRAY, PsiSubstitutor.EMPTY);
PsiMethod indexof =
MethodSignatureUtil.findMethodBySignature(listClass, indexofSignature, false);
addMethod(indexof, 0, patternMethods, indices);
MethodSignature lastindexofSignature =
MethodSignatureUtil.createMethodSignature(
"lastIndexOf", javaLangObject, PsiTypeParameter.EMPTY_ARRAY, PsiSubstitutor.EMPTY);
PsiMethod lastindexof =
MethodSignatureUtil.findMethodBySignature(listClass, lastindexofSignature, false);
addMethod(lastindexof, 0, patternMethods, indices);
}
final PsiClass mapClass = javaPsiFacade.findClass(CommonClassNames.JAVA_UTIL_MAP, searchScope);
if (mapClass != null) {
PsiMethod remove =
MethodSignatureUtil.findMethodBySignature(mapClass, removeSignature, false);
addMethod(remove, 0, patternMethods, indices);
MethodSignature getSignature =
MethodSignatureUtil.createMethodSignature(
"get", javaLangObject, PsiTypeParameter.EMPTY_ARRAY, PsiSubstitutor.EMPTY);
PsiMethod get = MethodSignatureUtil.findMethodBySignature(mapClass, getSignature, false);
addMethod(get, 0, patternMethods, indices);
MethodSignature containsKeySignature =
MethodSignatureUtil.createMethodSignature(
"containsKey", javaLangObject, PsiTypeParameter.EMPTY_ARRAY, PsiSubstitutor.EMPTY);
PsiMethod containsKey =
MethodSignatureUtil.findMethodBySignature(mapClass, containsKeySignature, false);
addMethod(containsKey, 0, patternMethods, indices);
MethodSignature containsValueSignature =
MethodSignatureUtil.createMethodSignature(
"containsValue", javaLangObject, PsiTypeParameter.EMPTY_ARRAY, PsiSubstitutor.EMPTY);
PsiMethod containsValue =
MethodSignatureUtil.findMethodBySignature(mapClass, containsValueSignature, false);
addMethod(containsValue, 1, patternMethods, indices);
}
final PsiClass concurrentMapClass =
javaPsiFacade.findClass(CommonClassNames.JAVA_UTIL_CONCURRENT_HASH_MAP, searchScope);
if (concurrentMapClass != null) {
MethodSignature containsSignature =
MethodSignatureUtil.createMethodSignature(
"contains", javaLangObject, PsiTypeParameter.EMPTY_ARRAY, PsiSubstitutor.EMPTY);
PsiMethod contains =
MethodSignatureUtil.findMethodBySignature(concurrentMapClass, containsSignature, false);
addMethod(contains, 1, patternMethods, indices);
}
}
private void doMoveMethod(PsiSubstitutor substitutor, MemberInfo info) {
PsiElementFactory elementFactory = JavaPsiFacade.getElementFactory(myProject);
PsiMethod method = (PsiMethod) info.getMember();
PsiMethod sibling = method;
PsiMethod anchor = null;
while (sibling != null) {
sibling = PsiTreeUtil.getNextSiblingOfType(sibling, PsiMethod.class);
if (sibling != null) {
anchor =
MethodSignatureUtil.findMethodInSuperClassBySignatureInDerived(
method.getContainingClass(),
myTargetSuperClass,
sibling.getSignature(PsiSubstitutor.EMPTY),
false);
if (anchor != null) {
break;
}
}
}
PsiMethod methodCopy = (PsiMethod) method.copy();
Language language = myTargetSuperClass.getLanguage();
final PsiMethod superClassMethod = myTargetSuperClass.findMethodBySignature(methodCopy, false);
if (superClassMethod != null && superClassMethod.findDeepestSuperMethods().length == 0
|| method.findSuperMethods(myTargetSuperClass).length == 0) {
deleteOverrideAnnotationIfFound(methodCopy);
}
boolean isOriginalMethodAbstract =
method.hasModifierProperty(PsiModifier.ABSTRACT)
|| method.hasModifierProperty(PsiModifier.DEFAULT);
boolean isOriginalMethodPrototype =
method instanceof HaxeFunctionPrototypeDeclarationWithAttributes;
if (myIsTargetInterface || info.isToAbstract()) {
ChangeContextUtil.clearContextInfo(method);
if (!info.isToAbstract()
&& !method.hasModifierProperty(PsiModifier.ABSTRACT)
&& PsiUtil.isLanguageLevel8OrHigher(myTargetSuperClass)) {
// pull as default
RefactoringUtil.makeMethodDefault(methodCopy);
isOriginalMethodAbstract = true;
} else {
RefactoringUtil.makeMethodAbstract(myTargetSuperClass, methodCopy);
}
RefactoringUtil.replaceMovedMemberTypeParameters(
methodCopy, PsiUtil.typeParametersIterable(mySourceClass), substitutor, elementFactory);
myJavaDocPolicy.processCopiedJavaDoc(
methodCopy.getDocComment(), method.getDocComment(), isOriginalMethodAbstract);
final PsiMember movedElement;
if (superClassMethod != null && superClassMethod.hasModifierProperty(PsiModifier.ABSTRACT)) {
movedElement =
(PsiMember) superClassMethod.replace(convertMethodToLanguage(methodCopy, language));
} else {
methodCopy =
HaxeElementGenerator.createFunctionPrototypeDeclarationWithAttributes(
myProject, methodCopy.getText().trim() + ";");
movedElement =
anchor != null
? (PsiMember) myTargetSuperClass.addBefore(methodCopy, anchor)
: (PsiMember)
myTargetSuperClass.addBefore(methodCopy, myTargetSuperClass.getRBrace());
reformat(movedElement);
}
CodeStyleSettings styleSettings = CodeStyleSettingsManager.getSettings(method.getProject());
if (styleSettings.INSERT_OVERRIDE_ANNOTATION) {
if (PsiUtil.isLanguageLevel5OrHigher(mySourceClass) && !myIsTargetInterface
|| PsiUtil.isLanguageLevel6OrHigher(mySourceClass)) {
new AddAnnotationFix(Override.class.getName(), method)
.invoke(method.getProject(), null, mySourceClass.getContainingFile());
}
}
if (!PsiUtil.isLanguageLevel6OrHigher(mySourceClass) && myIsTargetInterface) {
if (isOriginalMethodAbstract) {
for (PsiMethod oMethod : OverridingMethodsSearch.search(method)) {
deleteOverrideAnnotationIfFound(oMethod);
}
}
deleteOverrideAnnotationIfFound(method);
}
myMembersAfterMove.add(movedElement);
// if (isOriginalMethodAbstract) {
method.delete();
// }
} else {
if (isOriginalMethodAbstract) {
PsiUtil.setModifierProperty(myTargetSuperClass, PsiModifier.ABSTRACT, true);
}
RefactoringUtil.replaceMovedMemberTypeParameters(
methodCopy, PsiUtil.typeParametersIterable(mySourceClass), substitutor, elementFactory);
fixReferencesToStatic(methodCopy);
if (superClassMethod != null && superClassMethod.hasModifierProperty(PsiModifier.ABSTRACT)) {
superClassMethod.replace(convertMethodToLanguage(methodCopy, language));
} else {
final PsiMember movedElement =
anchor != null
? (PsiMember)
myTargetSuperClass.addBefore(
convertMethodToLanguage(methodCopy, language), anchor)
: (PsiMember)
myTargetSuperClass.addBefore(
convertMethodToLanguage(methodCopy, language),
myTargetSuperClass.getRBrace());
reformat(movedElement);
myMembersAfterMove.add(movedElement);
}
method.delete();
}
}
private void doMoveMethod(PsiSubstitutor substitutor, GrMemberInfo info) {
GroovyPsiElementFactory elementFactory = GroovyPsiElementFactory.getInstance(myProject);
GrMethod method = (GrMethod) info.getMember();
PsiMethod sibling = method;
PsiMethod anchor = null;
while (sibling != null) {
sibling = PsiTreeUtil.getNextSiblingOfType(sibling, PsiMethod.class);
if (sibling != null) {
anchor =
MethodSignatureUtil.findMethodInSuperClassBySignatureInDerived(
method.getContainingClass(),
myTargetSuperClass,
sibling.getSignature(PsiSubstitutor.EMPTY),
false);
if (anchor != null) {
break;
}
}
}
GrMethod methodCopy = (GrMethod) method.copy();
if (method.findSuperMethods(myTargetSuperClass).length == 0) {
deleteOverrideAnnotationIfFound(methodCopy);
}
final boolean isOriginalMethodAbstract =
method.hasModifierProperty(PsiModifier.ABSTRACT)
|| method.hasModifierProperty(PsiModifier.DEFAULT);
if (myTargetSuperClass.isInterface() || info.isToAbstract()) {
GroovyChangeContextUtil.clearContextInfo(method);
RefactoringUtil.makeMethodAbstract(myTargetSuperClass, methodCopy);
if (myTargetSuperClass.isInterface()) {
PsiUtil.setModifierProperty(methodCopy, PsiModifier.ABSTRACT, false);
}
replaceMovedMemberTypeParameters(
methodCopy, PsiUtil.typeParametersIterable(mySourceClass), substitutor, elementFactory);
final GrMethod movedElement =
anchor != null
? (GrMethod) myTargetSuperClass.addBefore(methodCopy, anchor)
: (GrMethod) myTargetSuperClass.add(methodCopy);
CodeStyleSettings styleSettings = CodeStyleSettingsManager.getSettings(method.getProject());
if (styleSettings.INSERT_OVERRIDE_ANNOTATION) {
if (PsiUtil.isLanguageLevel5OrHigher(mySourceClass) && !myTargetSuperClass.isInterface()
|| PsiUtil.isLanguageLevel6OrHigher(mySourceClass)) {
new AddAnnotationFix(CommonClassNames.JAVA_LANG_OVERRIDE, method)
.invoke(method.getProject(), null, mySourceClass.getContainingFile());
}
}
GrDocComment oldDoc = method.getDocComment();
if (oldDoc != null) {
GrDocCommentUtil.setDocComment(movedElement, oldDoc);
}
myDocCommentPolicy.processCopiedJavaDoc(
methodCopy.getDocComment(), oldDoc, isOriginalMethodAbstract);
myMembersAfterMove.add(movedElement);
if (isOriginalMethodAbstract) {
deleteMemberWithDocComment(method);
}
} else {
if (isOriginalMethodAbstract) {
PsiUtil.setModifierProperty(myTargetSuperClass, PsiModifier.ABSTRACT, true);
}
// fixReferencesToStatic(methodCopy, movedMembers);
replaceMovedMemberTypeParameters(
methodCopy, PsiUtil.typeParametersIterable(mySourceClass), substitutor, elementFactory);
final PsiMethod superClassMethod =
myTargetSuperClass.findMethodBySignature(methodCopy, false);
final GrMethod movedElement;
if (superClassMethod != null && superClassMethod.hasModifierProperty(PsiModifier.ABSTRACT)) {
movedElement = (GrMethod) superClassMethod.replace(methodCopy);
} else {
movedElement =
anchor != null
? (GrMethod) myTargetSuperClass.addBefore(methodCopy, anchor)
: (GrMethod) myTargetSuperClass.add(methodCopy);
myMembersAfterMove.add(movedElement);
}
GrDocCommentUtil.setDocComment(movedElement, method.getDocComment());
deleteMemberWithDocComment(method);
}
}
@Nullable
private static String getCollectionsAddAllText(PsiForStatement forStatement)
throws IncorrectOperationException {
final PsiExpression expression = forStatement.getCondition();
final PsiBinaryExpression condition =
(PsiBinaryExpression) ParenthesesUtils.stripParentheses(expression);
if (condition == null) {
return null;
}
final PsiStatement initialization = forStatement.getInitialization();
if (initialization == null) {
return null;
}
if (!(initialization instanceof PsiDeclarationStatement)) {
return null;
}
final PsiDeclarationStatement declaration = (PsiDeclarationStatement) initialization;
final PsiElement[] declaredElements = declaration.getDeclaredElements();
if (declaredElements.length != 1) {
return null;
}
final PsiElement declaredElement = declaredElements[0];
if (!(declaredElement instanceof PsiLocalVariable)) {
return null;
}
final PsiLocalVariable variable = (PsiLocalVariable) declaredElement;
final String collectionText = buildCollectionText(forStatement);
final PsiArrayAccessExpression arrayAccessExpression = getArrayAccessExpression(forStatement);
if (arrayAccessExpression == null) {
return null;
}
final PsiExpression arrayExpression = arrayAccessExpression.getArrayExpression();
final String arrayText = arrayExpression.getText();
final PsiExpression indexExpression = arrayAccessExpression.getIndexExpression();
final String fromOffsetText = buildFromOffsetText(indexExpression, variable);
if (fromOffsetText == null) {
return null;
}
final PsiExpression limit;
final IElementType tokenType = condition.getOperationTokenType();
if (tokenType == JavaTokenType.LT || tokenType == JavaTokenType.LE) {
limit = condition.getROperand();
} else {
limit = condition.getLOperand();
}
@NonNls
final String toOffsetText =
buildToOffsetText(limit, tokenType == JavaTokenType.LE || tokenType == JavaTokenType.GE);
if (toOffsetText == null) {
return null;
}
if (fromOffsetText.equals("0")
&& toOffsetText.equals(arrayText + ".length")
&& PsiUtil.isLanguageLevel5OrHigher(forStatement)) {
return "java.util.Collections.addAll(" + collectionText + ',' + arrayText + ");";
} else {
@NonNls final StringBuilder buffer = new StringBuilder();
buffer.append(collectionText);
buffer.append('.');
buffer.append("addAll(java.util.Arrays.asList(");
buffer.append(arrayText);
buffer.append(')');
if (!fromOffsetText.equals("0") || !toOffsetText.equals(arrayText + ".length")) {
buffer.append(".subList(");
buffer.append(fromOffsetText);
buffer.append(", ");
buffer.append(toOffsetText);
buffer.append(')');
}
buffer.append(");");
return buffer.toString();
}
}