@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); }