@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); }