@Nullable
private static PsiClass getContainingContextClass(PsiElement element) {
final PsiClass aClass = ClassUtils.getContainingClass(element);
if (aClass instanceof PsiAnonymousClass) {
final PsiAnonymousClass anonymousClass = (PsiAnonymousClass) aClass;
final PsiExpressionList args = anonymousClass.getArgumentList();
if (args != null && PsiTreeUtil.isAncestor(args, element, true)) {
return ClassUtils.getContainingClass(aClass);
}
}
return aClass;
}
@Override
public void visitMethodCallExpression(@NotNull PsiMethodCallExpression call) {
super.visitMethodCallExpression(call);
final PsiReferenceExpression methodExpression = call.getMethodExpression();
final PsiElement qualifier = methodExpression.getQualifier();
if (!(qualifier instanceof PsiReferenceExpression)) {
return;
}
final PsiMethod method = call.resolveMethod();
if (method == null) {
return;
}
if (!method.hasModifierProperty(PsiModifier.STATIC)) {
return;
}
final PsiElement referent = ((PsiReference) qualifier).resolve();
if (!(referent instanceof PsiClass)) {
return;
}
final PsiClass referencedClass = (PsiClass) referent;
final PsiClass declaringClass = method.getContainingClass();
if (declaringClass == null) {
return;
}
if (declaringClass.equals(referencedClass)) {
return;
}
final PsiClass containingClass = ClassUtils.getContainingClass(call);
if (!ClassUtils.isClassVisibleFromClass(containingClass, declaringClass)) {
return;
}
registerMethodCallError(call, declaringClass, referencedClass);
}
@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);
}
@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);
}