public static String isValidMethodExpression(PsiElement psiElement) {
if (psiElement instanceof PsiMethodCallExpression) {
final PsiReferenceExpression methodExpression =
((PsiMethodCallExpression) psiElement).getMethodExpression();
if (methodExpression != null
&& methodExpression.getQualifierExpression() != null
&& methodExpression.getQualifierExpression().getType() != null) {
final PsiType type = methodExpression.getQualifierExpression().getType();
if (type instanceof PsiClassReferenceType) {
final PsiClassReferenceType classReferenceType = (PsiClassReferenceType) type;
if (classReferenceType.getReference() != null) {
final Project project = psiElement.getProject();
if (AnnoRefConfigSettings.getInstance(project)
.getAnnoRefState()
.ANNOREF_UTIL_CLASS_FQN
.equals(classReferenceType.getReference().getQualifiedName())) {
if (((PsiCall) psiElement).getArgumentList().getExpressions().length == 1) {
final PsiExpression psiExpression =
((PsiCall) psiElement).getArgumentList().getExpressions()[0];
return String.valueOf(((PsiLiteral) psiExpression).getValue());
}
}
}
}
}
}
return null;
}
public static SQLRefReference getAnnoRefIdFromMethodCallExpressionElement(PsiElement psiElement) {
if (psiElement instanceof PsiMethodCallExpression) {
final PsiReferenceExpression methodExpression =
((PsiMethodCallExpression) psiElement).getMethodExpression();
if (methodExpression != null
&& methodExpression.getQualifierExpression() != null
&& methodExpression.getQualifierExpression().getType() != null) {
final PsiType type = methodExpression.getQualifierExpression().getType();
final PsiClassReferenceType classReferenceType = (PsiClassReferenceType) type;
if (type instanceof PsiClassReferenceType && classReferenceType.getReference() != null) {
final Project project = psiElement.getProject();
if (AnnoRefConfigSettings.getInstance(project)
.getAnnoRefState()
.ANNOREF_UTIL_CLASS_FQN
.equals(classReferenceType.getReference().getQualifiedName())) {
if (((PsiCall) psiElement).getArgumentList().getExpressions().length == 1) {
final PsiExpression psiExpression =
((PsiCall) psiElement).getArgumentList().getExpressions()[0];
final String refId = String.valueOf(((PsiLiteral) psiExpression).getValue());
final SQLRefReference refReference =
ServiceManager.getService(project, SQLRefRepository.class)
.getSQLRefReferenceForID(refId);
return refReference;
} else {
throw new IllegalArgumentException(
String.format(
"Argument %s for parameter of %s.%s must not be null",
new Object[] {
"0",
classReferenceType.getReference().getQualifiedName(),
methodExpression.getQualifiedName()
}));
}
} else {
log.warn(
"getAnnoRefIdFromMethodCallExpressionElement(): PsiElement ClassReferenceType FQA="
+ classReferenceType.getReference().getQualifiedName()
+ " different"
+ " from ANNOREF_UTIL_CLASS_FQN="
+ AnnoRefConfigSettings.getInstance(project)
.getAnnoRefState()
.ANNOREF_UTIL_CLASS_FQN);
}
} else {
log.warn(
"getAnnoRefIdFromMethodCallExpressionElement(): PsiElement ReferenceType="
+ classReferenceType);
}
} else {
log.warn(
"getAnnoRefIdFromMethodCallExpressionElement(): PsiElement is of type="
+ psiElement.getClass());
}
}
return null;
}
@Override
public void visitReferenceExpression(PsiReferenceExpression expression) {
if (expression.getQualifierExpression() instanceof PsiSuperExpression) {
PsiElement resolved = expression.resolve();
if (resolved == null
|| resolved instanceof PsiMethod && shouldFixSuper((PsiMethod) resolved)) {
expression.getQualifierExpression().delete();
}
}
}
private boolean isListGetLookup(PsiElement element,
String indexName,
PsiVariable listVariable) {
if (!(element instanceof PsiExpression)) {
return false;
}
final PsiExpression expression = (PsiExpression)element;
if (!expressionIsListGetLookup(expression)) {
return false;
}
final PsiMethodCallExpression methodCallExpression =
(PsiMethodCallExpression)
ParenthesesUtils.stripParentheses(expression);
if (methodCallExpression == null) {
return false;
}
final PsiReferenceExpression methodExpression =
methodCallExpression.getMethodExpression();
final PsiExpression qualifierExpression =
methodExpression.getQualifierExpression();
final PsiExpressionList argumentList =
methodCallExpression.getArgumentList();
final PsiExpression[] expressions = argumentList.getExpressions();
if (expressions.length != 1) {
return false;
}
if (!indexName.equals(expressions[0].getText())) {
return false;
}
if (qualifierExpression == null ||
qualifierExpression instanceof PsiThisExpression ||
qualifierExpression instanceof PsiSuperExpression) {
return listVariable == null;
}
if (!(qualifierExpression instanceof PsiReferenceExpression)) {
return false;
}
final PsiReferenceExpression referenceExpression =
(PsiReferenceExpression)qualifierExpression;
final PsiExpression qualifier =
referenceExpression.getQualifierExpression();
if (qualifier != null && !(qualifier instanceof PsiThisExpression) &&
!(qualifier instanceof PsiSuperExpression)) {
return false;
}
final PsiElement target = referenceExpression.resolve();
return listVariable.equals(target);
}
private boolean isArrayLookup(PsiElement element, String indexName, PsiVariable arrayVariable) {
if (element == null) {
return false;
}
if (!(element instanceof PsiArrayAccessExpression)) {
return false;
}
final PsiArrayAccessExpression arrayAccess = (PsiArrayAccessExpression) element;
final PsiExpression indexExpression = arrayAccess.getIndexExpression();
if (indexExpression == null) {
return false;
}
if (!indexName.equals(indexExpression.getText())) {
return false;
}
final PsiExpression arrayExpression = arrayAccess.getArrayExpression();
if (!(arrayExpression instanceof PsiReferenceExpression)) {
return false;
}
final PsiReferenceExpression referenceExpression = (PsiReferenceExpression) arrayExpression;
final PsiExpression qualifier = referenceExpression.getQualifierExpression();
if (qualifier != null
&& !(qualifier instanceof PsiThisExpression)
&& !(qualifier instanceof PsiSuperExpression)) {
return false;
}
final PsiElement target = referenceExpression.resolve();
return arrayVariable.equals(target);
}
@Override
public void visitMethodCallExpression(@NotNull PsiMethodCallExpression expression) {
super.visitMethodCallExpression(expression);
final PsiReferenceExpression methodExpression = expression.getMethodExpression();
@NonNls final String methodName = methodExpression.getReferenceName();
if (methodName == null) {
return;
}
if (!methodName.startsWith("get") && !methodName.startsWith("update")) {
return;
}
final PsiExpressionList argumentList = expression.getArgumentList();
final PsiExpression[] arguments = argumentList.getExpressions();
if (arguments.length == 0) {
return;
}
final PsiExpression argument = arguments[0];
if (!TypeUtils.expressionHasType(argument, PsiKeyword.INT)) {
return;
}
if (!PsiUtil.isConstantExpression(argument)) {
return;
}
final Integer val = (Integer) ConstantExpressionUtil.computeCastTo(argument, PsiType.INT);
if (val == null || val.intValue() != 0) {
return;
}
final PsiExpression qualifier = methodExpression.getQualifierExpression();
if (!TypeUtils.expressionHasTypeOrSubtype(qualifier, "java.sql.ResultSet")) {
return;
}
registerError(argument);
}
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();
}
}
@Override
public void visitMethodCallExpression(PsiMethodCallExpression expression) {
super.visitMethodCallExpression(expression);
final PsiReferenceExpression methodExpression = expression.getMethodExpression();
@NonNls final String referenceName = methodExpression.getReferenceName();
if (!"toString".equals(referenceName)
|| ExpressionUtils.isConversionToStringNecessary(expression)) {
return;
}
final PsiExpressionList argumentList = expression.getArgumentList();
final PsiExpression[] arguments = argumentList.getExpressions();
if (arguments.length != 0) {
return;
}
final PsiExpression qualifier = methodExpression.getQualifierExpression();
if (qualifier != null) {
if (qualifier.getType() instanceof PsiArrayType) {
// do not warn on nonsensical code
return;
} else if (qualifier instanceof PsiSuperExpression) {
return;
}
}
registerMethodCallError(expression, calculateReplacementText(qualifier));
}
private void findUsagesForMethod(PsiMethod method, List<FixableUsageInfo> usages) {
final PsiManager psiManager = method.getManager();
final Project project = psiManager.getProject();
final GlobalSearchScope scope = GlobalSearchScope.allScope(project);
final Iterable<PsiReference> calls = ReferencesSearch.search(method, scope);
for (PsiReference reference : calls) {
final PsiElement referenceElement = reference.getElement();
final PsiElement parent = referenceElement.getParent();
if (parent instanceof PsiMethodCallExpression) {
final PsiMethodCallExpression call = (PsiMethodCallExpression) parent;
if (isInMovedElement(call)) {
continue;
}
final PsiReferenceExpression methodExpression = call.getMethodExpression();
final PsiExpression qualifier = methodExpression.getQualifierExpression();
if (qualifier == null || qualifier instanceof PsiThisExpression) {
usages.add(new ReplaceThisCallWithDelegateCall(call, delegateFieldName));
}
delegationRequired = true;
}
}
if (!delegationRequired && MethodInheritanceUtils.hasSiblingMethods(method)) {
delegationRequired = true;
}
if (delegationRequired) {
usages.add(new MakeMethodDelegate(method, delegateFieldName));
} else {
usages.add(new RemoveMethod(method));
}
}
private void fixReferencesToStatic(PsiElement classMember) throws IncorrectOperationException {
final StaticReferencesCollector collector = new StaticReferencesCollector();
classMember.accept(collector);
ArrayList<PsiJavaCodeReferenceElement> refs = collector.getReferences();
ArrayList<PsiElement> members = collector.getReferees();
ArrayList<PsiClass> classes = collector.getRefereeClasses();
PsiElementFactory factory =
JavaPsiFacade.getInstance(classMember.getProject()).getElementFactory();
for (int i = 0; i < refs.size(); i++) {
PsiJavaCodeReferenceElement ref = refs.get(i);
PsiElement namedElement = members.get(i);
PsiClass aClass = classes.get(i);
if (namedElement instanceof PsiNamedElement) {
PsiReferenceExpression newRef =
(PsiReferenceExpression)
factory.createExpressionFromText(
"a." + ((PsiNamedElement) namedElement).getName(), null);
PsiExpression qualifierExpression = newRef.getQualifierExpression();
assert qualifierExpression != null;
qualifierExpression =
(PsiExpression) qualifierExpression.replace(factory.createReferenceExpression(aClass));
qualifierExpression.putCopyableUserData(PRESERVE_QUALIFIER, ref.isQualified());
ref.replace(newRef);
}
}
}
private static boolean isIndexOfCall(@NotNull PsiMethodCallExpression expression) {
final PsiReferenceExpression methodExpression = expression.getMethodExpression();
final String methodName = methodExpression.getReferenceName();
if (!HardcodedMethodConstants.INDEX_OF.equals(methodName)) {
return false;
}
final PsiExpressionList argumentList = expression.getArgumentList();
final PsiExpression[] arguments = argumentList.getExpressions();
if (arguments.length != 1) {
return false;
}
final PsiExpression qualifier = methodExpression.getQualifierExpression();
if (qualifier == null) {
return false;
}
final PsiType qualifierType = qualifier.getType();
if (qualifierType == null) {
return false;
}
final Project project = expression.getProject();
final GlobalSearchScope projectScope = GlobalSearchScope.allScope(project);
final JavaPsiFacade psiFacade = JavaPsiFacade.getInstance(project);
final PsiClass javaUtilListClass =
psiFacade.findClass(CommonClassNames.JAVA_UTIL_LIST, projectScope);
if (javaUtilListClass == null) {
return false;
}
final PsiElementFactory factory = psiFacade.getElementFactory();
final PsiClassType javaUtilListType = factory.createType(javaUtilListClass);
return javaUtilListType.isAssignableFrom(qualifierType);
}
static String createContainsExpressionText(
@NotNull PsiMethodCallExpression call, @NotNull PsiJavaToken sign, boolean flipped) {
final IElementType tokenType = sign.getTokenType();
final PsiReferenceExpression methodExpression = call.getMethodExpression();
final PsiExpression qualifierExpression = methodExpression.getQualifierExpression();
final String qualifierText;
if (qualifierExpression == null) {
qualifierText = "";
} else {
qualifierText = qualifierExpression.getText();
}
final PsiExpressionList argumentList = call.getArgumentList();
final PsiExpression expression = argumentList.getExpressions()[0];
@NonNls
final String newExpressionText = qualifierText + ".contains(" + expression.getText() + ')';
if (tokenType.equals(JavaTokenType.EQEQ)) {
return '!' + newExpressionText;
} else if (!flipped
&& (tokenType.equals(JavaTokenType.LT) || tokenType.equals(JavaTokenType.LE))) {
return '!' + newExpressionText;
} else if (flipped
&& (tokenType.equals(JavaTokenType.GT) || tokenType.equals(JavaTokenType.GE))) {
return '!' + newExpressionText;
}
return newExpressionText;
}
@Override
public void visitReferenceExpression(@NotNull PsiReferenceExpression expression) {
if (FileTypeUtils.isInServerPageFile(expression)) {
// disable for jsp files IDEADEV-12957
return;
}
super.visitReferenceExpression(expression);
if (expression.getQualifierExpression() == null) {
return;
}
final PsiElement referenceNameElement = expression.getReferenceNameElement();
if (referenceNameElement == null) {
return;
}
final PsiElement containingClass = getContainingContextClass(expression);
if (containingClass == null) {
return;
}
final PsiElement element = expression.resolve();
if (!(element instanceof PsiMethod || element instanceof PsiField)) {
return;
}
final PsiMember member = (PsiMember) element;
if (!member.hasModifierProperty(PsiModifier.PRIVATE)) {
return;
}
final PsiClass memberClass = ClassUtils.getContainingClass(member);
if (memberClass == null) {
return;
}
if (memberClass.equals(containingClass)) {
return;
}
registerError(referenceNameElement, memberClass, member);
}
private static void removeParensFromReferenceExpression(
@NotNull PsiReferenceExpression referenceExpression, boolean ignoreClarifyingParentheses) {
final PsiExpression qualifier = referenceExpression.getQualifierExpression();
if (qualifier != null) {
removeParentheses(qualifier, ignoreClarifyingParentheses);
}
}
@Nullable
private static PsiType guessElementTypeFromReference(
MethodPatternMap methodPatternMap, PsiElement ref, TextRange rangeToIgnore) {
PsiElement refParent = ref.getParent();
if (refParent instanceof PsiReferenceExpression) {
PsiReferenceExpression parentExpr = (PsiReferenceExpression) refParent;
if (ref.equals(parentExpr.getQualifierExpression())
&& parentExpr.getParent() instanceof PsiMethodCallExpression) {
String methodName = parentExpr.getReferenceName();
PsiMethodCallExpression methodCall = (PsiMethodCallExpression) parentExpr.getParent();
PsiExpression[] args = methodCall.getArgumentList().getExpressions();
MethodPattern pattern = methodPatternMap.findPattern(methodName, args.length);
if (pattern != null) {
if (pattern.parameterIndex < 0) { // return value
if (methodCall.getParent() instanceof PsiTypeCastExpression
&& (rangeToIgnore == null || !rangeToIgnore.contains(methodCall.getTextRange()))) {
return ((PsiTypeCastExpression) methodCall.getParent()).getType();
}
} else {
return args[pattern.parameterIndex].getType();
}
}
}
}
return null;
}
private static boolean isCollectCall(PsiStatement body, final PsiParameter parameter) {
PsiIfStatement ifStatement = extractIfStatement(body);
final PsiMethodCallExpression methodCallExpression = extractAddCall(body, ifStatement);
if (methodCallExpression != null) {
final PsiReferenceExpression methodExpression = methodCallExpression.getMethodExpression();
final PsiExpression qualifierExpression = methodExpression.getQualifierExpression();
PsiClass qualifierClass = null;
if (qualifierExpression instanceof PsiReferenceExpression) {
if (ReferencesSearch.search(parameter, new LocalSearchScope(qualifierExpression))
.findFirst()
!= null) {
return false;
}
final PsiElement resolve = ((PsiReferenceExpression) qualifierExpression).resolve();
if (resolve instanceof PsiVariable) {
if (ReferencesSearch.search(
resolve, new LocalSearchScope(methodCallExpression.getArgumentList()))
.findFirst()
!= null) {
return false;
}
}
qualifierClass = PsiUtil.resolveClassInType(qualifierExpression.getType());
} else if (qualifierExpression == null) {
final PsiClass enclosingClass = PsiTreeUtil.getParentOfType(body, PsiClass.class);
if (PsiUtil.getEnclosingStaticElement(body, enclosingClass) == null) {
qualifierClass = enclosingClass;
}
}
if (qualifierClass != null
&& InheritanceUtil.isInheritor(
qualifierClass, false, CommonClassNames.JAVA_UTIL_COLLECTION)) {
while (ifStatement != null && PsiTreeUtil.isAncestor(body, ifStatement, false)) {
final PsiExpression condition = ifStatement.getCondition();
if (condition != null
&& isConditionDependsOnUpdatedCollections(condition, qualifierExpression))
return false;
ifStatement = PsiTreeUtil.getParentOfType(ifStatement, PsiIfStatement.class);
}
final PsiElement resolve = methodExpression.resolve();
if (resolve instanceof PsiMethod
&& "add".equals(((PsiMethod) resolve).getName())
&& ((PsiMethod) resolve).getParameterList().getParametersCount() == 1) {
final PsiExpression[] args = methodCallExpression.getArgumentList().getExpressions();
if (args.length == 1) {
if (args[0] instanceof PsiCallExpression) {
final PsiMethod method = ((PsiCallExpression) args[0]).resolveMethod();
return method != null && !method.hasTypeParameters() && !isThrowsCompatible(method);
}
return true;
}
}
}
}
return false;
}
@Override
public void visitMethodCallExpression(PsiMethodCallExpression expression) {
super.visitMethodCallExpression(expression);
final PsiReferenceExpression methodExpression = expression.getMethodExpression();
@NonNls final String name = methodExpression.getReferenceName();
if (HardcodedMethodConstants.TO_STRING.equals(name)) {
final PsiExpressionList argumentList = expression.getArgumentList();
final PsiExpression[] arguments = argumentList.getExpressions();
if (arguments.length != 0) {
return;
}
final PsiExpression qualifier = methodExpression.getQualifierExpression();
checkExpression(qualifier);
} else if ("append".equals(name)) {
final PsiExpression qualifier = methodExpression.getQualifierExpression();
if (!TypeUtils.expressionHasTypeOrSubtype(
qualifier, CommonClassNames.JAVA_LANG_ABSTRACT_STRING_BUILDER)) {
return;
}
final PsiExpressionList argumentList = expression.getArgumentList();
final PsiExpression[] arguments = argumentList.getExpressions();
if (arguments.length != 1) {
return;
}
final PsiExpression argument = arguments[0];
checkExpression(argument);
} else if ("valueOf".equals(name)) {
final PsiExpression qualifierExpression = methodExpression.getQualifierExpression();
if (!(qualifierExpression instanceof PsiReferenceExpression)) {
return;
}
final PsiReferenceExpression referenceExpression =
(PsiReferenceExpression) qualifierExpression;
final String canonicalText = referenceExpression.getCanonicalText();
if (!CommonClassNames.JAVA_LANG_STRING.equals(canonicalText)) {
return;
}
final PsiExpressionList argumentList = expression.getArgumentList();
final PsiExpression[] arguments = argumentList.getExpressions();
if (arguments.length != 1) {
return;
}
final PsiExpression argument = arguments[0];
checkExpression(argument);
}
}
private static boolean referenceExpressionsAreEquivalent(
PsiReferenceExpression referenceExpression1, PsiReferenceExpression referenceExpression2) {
final PsiElement element1 = referenceExpression1.resolve();
final PsiElement element2 = referenceExpression2.resolve();
if (element1 != null) {
if (!element1.equals(element2)) {
return false;
}
} else {
return element2 == null;
}
if (element1 instanceof PsiMember) {
final PsiMember member1 = (PsiMember) element1;
if (member1.hasModifierProperty(PsiModifier.STATIC)) {
return true;
} else if (member1 instanceof PsiClass) {
return true;
}
} else {
return true;
}
final PsiExpression qualifier1 = referenceExpression1.getQualifierExpression();
final PsiExpression qualifier2 = referenceExpression2.getQualifierExpression();
if (qualifier1 != null
&& !(qualifier1 instanceof PsiThisExpression || qualifier1 instanceof PsiSuperExpression)) {
if (qualifier2 == null) {
return false;
} else if (!expressionsAreEquivalent(qualifier1, qualifier2)) {
return false;
}
} else {
if (qualifier2 != null
&& !(qualifier2 instanceof PsiThisExpression
|| qualifier2 instanceof PsiSuperExpression)) {
return false;
}
}
final String text1 = referenceExpression1.getText();
final String text2 = referenceExpression2.getText();
return text1.equals(text2);
}
private static boolean isInvertedMethodCall(final PsiReferenceExpression methodExpression) {
final PsiPrefixExpression prefixExpression =
PsiTreeUtil.getParentOfType(methodExpression, PsiPrefixExpression.class);
if (methodExpression.getQualifierExpression() instanceof PsiSuperExpression)
return true; // don't flag super calls
if (prefixExpression != null) {
final IElementType tokenType = prefixExpression.getOperationTokenType();
if (tokenType.equals(JavaTokenType.EXCL)) {
return true;
}
}
return false;
}
@Override
public void visitReferenceExpression(PsiReferenceExpression expression) {
final PsiExpression qualifierExpression = expression.getQualifierExpression();
if (qualifierExpression != null && !(qualifierExpression instanceof PsiThisExpression)) {
return;
}
final PsiElement resolved = expression.resolve();
if (resolved instanceof PsiParameter) {
myUsedParameters.add((PsiParameter) resolved);
} else if (myMovedFields.contains(resolved)) {
myUsedFields.add((PsiField) resolved);
}
}
@Override
protected void doFix(Project project, ProblemDescriptor descriptor)
throws IncorrectOperationException {
final PsiMethodCallExpression methodCallExpression =
(PsiMethodCallExpression) descriptor.getPsiElement().getParent().getParent();
final PsiReferenceExpression methodExpression = methodCallExpression.getMethodExpression();
final PsiExpression qualifier = methodExpression.getQualifierExpression();
if (qualifier == null) {
PsiReplacementUtil.replaceExpression(methodCallExpression, "this");
} else {
methodCallExpression.replace(qualifier);
}
}
private static PsiMethodCallExpression prepareMethodCall(
PsiReferenceExpression expr, String text) {
PsiExpression qualifier = expr.getQualifierExpression();
if (qualifier != null) {
final PsiElement referenceNameElement = expr.getReferenceNameElement();
if (referenceNameElement != null) {
text = expr.getText().substring(0, referenceNameElement.getStartOffsetInParent()) + text;
}
}
final PsiElementFactory factory =
JavaPsiFacade.getInstance(expr.getProject()).getElementFactory();
return (PsiMethodCallExpression) factory.createExpressionFromText(text, expr);
}
@Override
protected final void doFix(Project project, ProblemDescriptor descriptor)
throws IncorrectOperationException {
final PsiElement element = descriptor.getPsiElement();
final PsiTypeElement castTypeElement;
final PsiReferenceExpression reference;
if (element instanceof PsiTypeCastExpression) {
final PsiTypeCastExpression typeCastExpression = (PsiTypeCastExpression) element;
castTypeElement = typeCastExpression.getCastType();
final PsiExpression operand = typeCastExpression.getOperand();
if (!(operand instanceof PsiReferenceExpression)) {
return;
}
reference = (PsiReferenceExpression) operand;
} else if (element instanceof PsiMethodCallExpression) {
final PsiMethodCallExpression methodCallExpression = (PsiMethodCallExpression) element;
final PsiReferenceExpression methodExpression = methodCallExpression.getMethodExpression();
final PsiExpression qualifier = methodExpression.getQualifierExpression();
if (!(qualifier instanceof PsiClassObjectAccessExpression)) {
return;
}
final PsiClassObjectAccessExpression classObjectAccessExpression =
(PsiClassObjectAccessExpression) qualifier;
castTypeElement = classObjectAccessExpression.getOperand();
final PsiExpressionList argumentList = methodCallExpression.getArgumentList();
final PsiExpression[] arguments = argumentList.getExpressions();
if (arguments.length != 1) {
return;
}
final PsiExpression argument = arguments[0];
if (!(argument instanceof PsiReferenceExpression)) {
return;
}
reference = (PsiReferenceExpression) argument;
} else {
return;
}
if (castTypeElement == null) {
return;
}
final PsiInstanceOfExpression conflictingInstanceof =
InstanceOfUtils.getConflictingInstanceof(castTypeElement.getType(), reference, element);
final PsiTypeElement instanceofTypeElement = conflictingInstanceof.getCheckType();
if (instanceofTypeElement == null) {
return;
}
final PsiElement newElement = replace(castTypeElement, instanceofTypeElement);
final JavaCodeStyleManager codeStyleManager = JavaCodeStyleManager.getInstance(project);
codeStyleManager.shortenClassReferences(newElement);
}
private static PsiReferenceExpression getReference(
PsiMethodCallExpression newMethodCallExpression) {
final PsiReferenceExpression methodExpression = newMethodCallExpression.getMethodExpression();
final PsiExpression qualifierExpression = methodExpression.getQualifierExpression();
if (qualifierExpression instanceof PsiMethodCallExpression) {
final PsiMethodCallExpression methodCallExpression =
(PsiMethodCallExpression) qualifierExpression;
return getReference(methodCallExpression);
}
if (!(qualifierExpression instanceof PsiReferenceExpression)) {
return null;
}
return (PsiReferenceExpression) qualifierExpression;
}
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;
}
@Override
public void visitMethodCallExpression(PsiMethodCallExpression expression) {
super.visitMethodCallExpression(expression);
final PsiReferenceExpression methodExpression = expression.getMethodExpression();
final String methodName = methodExpression.getReferenceName();
if (!"cast".equals(methodName)) {
return;
}
final PsiMethod method = expression.resolveMethod();
if (method == null) {
return;
}
final PsiClass containingClass = method.getContainingClass();
if (containingClass == null) {
return;
}
final String qualifiedName = containingClass.getQualifiedName();
if (!"java.lang.Class".equals(qualifiedName)) {
return;
}
final PsiExpression qualifier = methodExpression.getQualifierExpression();
if (!(qualifier instanceof PsiClassObjectAccessExpression)) {
return;
}
final PsiClassObjectAccessExpression classObjectAccessExpression =
(PsiClassObjectAccessExpression) qualifier;
final PsiTypeElement operand = classObjectAccessExpression.getOperand();
final PsiType castType = operand.getType();
if (!(castType instanceof PsiClassType)) {
return;
}
final PsiExpressionList argumentList = expression.getArgumentList();
final PsiExpression[] arguments = argumentList.getExpressions();
if (arguments.length != 1) {
return;
}
final PsiExpression argument = arguments[0];
if (!(argument instanceof PsiReferenceExpression)) {
return;
}
final PsiReferenceExpression referenceExpression = (PsiReferenceExpression) argument;
final PsiInstanceOfExpression conflictingInstanceof =
InstanceOfUtils.getConflictingInstanceof(castType, referenceExpression, expression);
if (conflictingInstanceof == null) {
return;
}
final PsiTypeElement instanceofTypeElement = conflictingInstanceof.getCheckType();
registerError(expression, referenceExpression, operand, instanceofTypeElement);
}
private static void shortenWithStaticImports(
PsiElement affectedElement, int startOffset, int endOffset) {
final int elementOffset = affectedElement.getTextOffset();
final int finalStartOffset = startOffset + elementOffset;
final int finalEndOffset = endOffset + elementOffset;
final List<PsiReferenceExpression> references = new ArrayList<PsiReferenceExpression>();
final JavaRecursiveElementVisitor collector =
new JavaRecursiveElementVisitor() {
@Override
public void visitReferenceExpression(PsiReferenceExpression expression) {
final int offset = expression.getTextOffset();
if (offset > finalEndOffset) {
return;
}
super.visitReferenceExpression(expression);
if (offset + expression.getTextLength() < finalStartOffset)
if (expression.getQualifierExpression() == null) {
return;
}
references.add(expression);
}
};
affectedElement.accept(collector);
for (PsiReferenceExpression expression : references) {
final PsiElement target = expression.resolve();
if (!(target instanceof PsiMember)) {
continue;
}
final PsiMember member = (PsiMember) target;
final PsiClass containingClass = member.getContainingClass();
if (containingClass == null) {
continue;
}
final String className = containingClass.getQualifiedName();
if (className == null) {
continue;
}
final String name = member.getName();
if (name == null) {
continue;
}
if (ImportUtils.addStaticImport(className, name, expression)) {
final PsiExpression qualifierExpression = expression.getQualifierExpression();
if (qualifierExpression != null) {
qualifierExpression.delete();
}
}
}
}
public void doFix(Project project, ProblemDescriptor descriptor)
throws IncorrectOperationException {
final PsiElement methodNameElement = descriptor.getPsiElement();
final PsiReferenceExpression methodExpression =
(PsiReferenceExpression) methodNameElement.getParent();
assert methodExpression != null;
final PsiExpression qualifier = methodExpression.getQualifierExpression();
@NonNls final String signalAll = "signalAll";
if (qualifier == null) {
replaceExpression(methodExpression, signalAll);
} else {
final String qualifierText = qualifier.getText();
replaceExpression(methodExpression, qualifierText + '.' + signalAll);
}
}
public static PsiReferenceExpression qualifyReference(
PsiReferenceExpression referenceExpression,
final PsiMember member,
@Nullable final PsiClass qualifyingClass)
throws IncorrectOperationException {
PsiManager manager = referenceExpression.getManager();
PsiMethodCallExpression methodCallExpression =
PsiTreeUtil.getParentOfType(referenceExpression, PsiMethodCallExpression.class, true);
while ((methodCallExpression) != null) {
if (HighlightUtil.isSuperOrThisMethodCall(methodCallExpression)) {
return referenceExpression;
}
methodCallExpression =
PsiTreeUtil.getParentOfType(methodCallExpression, PsiMethodCallExpression.class, true);
}
PsiReferenceExpression expressionFromText;
final PsiElementFactory factory =
JavaPsiFacade.getInstance(manager.getProject()).getElementFactory();
if (qualifyingClass == null) {
PsiClass parentClass = PsiTreeUtil.getParentOfType(referenceExpression, PsiClass.class);
final PsiClass containingClass = member.getContainingClass();
if (parentClass != null
&& !InheritanceUtil.isInheritorOrSelf(parentClass, containingClass, true)) {
while (parentClass != null
&& !InheritanceUtil.isInheritorOrSelf(parentClass, containingClass, true)) {
parentClass = PsiTreeUtil.getParentOfType(parentClass, PsiClass.class, true);
}
LOG.assertTrue(parentClass != null);
expressionFromText =
(PsiReferenceExpression)
factory.createExpressionFromText("A.this." + member.getName(), null);
((PsiThisExpression) expressionFromText.getQualifierExpression())
.getQualifier()
.replace(factory.createClassReferenceElement(parentClass));
} else {
expressionFromText =
(PsiReferenceExpression)
factory.createExpressionFromText("this." + member.getName(), null);
}
} else {
expressionFromText =
(PsiReferenceExpression) factory.createExpressionFromText("A." + member.getName(), null);
expressionFromText.setQualifierExpression(factory.createReferenceExpression(qualifyingClass));
}
CodeStyleManager codeStyleManager = manager.getCodeStyleManager();
expressionFromText = (PsiReferenceExpression) codeStyleManager.reformat(expressionFromText);
return (PsiReferenceExpression) referenceExpression.replace(expressionFromText);
}
private static boolean expressionIsArrayToCollectionCopy(
PsiExpression expression, PsiVariable variable, boolean shouldBeOffsetArrayAccess) {
expression = ParenthesesUtils.stripParentheses(expression);
if (expression == null) {
return false;
}
if (!(expression instanceof PsiMethodCallExpression)) {
return false;
}
final PsiMethodCallExpression methodCallExpression = (PsiMethodCallExpression) expression;
final PsiExpressionList argumentList = methodCallExpression.getArgumentList();
final PsiExpression[] arguments = argumentList.getExpressions();
if (arguments.length != 1) {
return false;
}
final PsiReferenceExpression methodExpression = methodCallExpression.getMethodExpression();
final PsiExpression qualifier = methodExpression.getQualifierExpression();
if (!(qualifier instanceof PsiReferenceExpression)
&& !(qualifier instanceof PsiThisExpression)
&& !(qualifier instanceof PsiSuperExpression)) {
return false;
}
final PsiExpression argument = arguments[0];
final PsiType argumentType = argument.getType();
if (argumentType instanceof PsiPrimitiveType) {
return false;
}
if (SideEffectChecker.mayHaveSideEffects(argument)) {
return false;
}
if (shouldBeOffsetArrayAccess) {
if (!ExpressionUtils.isOffsetArrayAccess(argument, variable)) {
return false;
}
} else if (!VariableAccessUtils.evaluatesToVariable(argument, variable)) {
return false;
}
final PsiMethod method = methodCallExpression.resolveMethod();
if (method == null) {
return false;
}
@NonNls final String name = method.getName();
if (!name.equals("add")) {
return false;
}
final PsiClass containingClass = method.getContainingClass();
return InheritanceUtil.isInheritor(containingClass, CommonClassNames.JAVA_UTIL_COLLECTION);
}
