Review Request for JDK-8003992: File and other classes in do not handle embedded nulls properly

Alan Bateman Alan.Bateman at
Fri May 3 13:48:11 UTC 2013

On 03/05/2013 00:08, Dan Xu wrote:
> Hi All,
> Thanks for all your comments. Based on the previous feedback, I have 
> moved to the other approach, i.e., to fail file operations if the 
> invalid NUL characher is found in a file path. As you know, due to the 
> compatibility issue, we cannot throw an exception immediately in the 
> File constructors. So the failure is delayed and only shown up when 
> any file operation is triggered.
> As for FileInputStream, FileOutputStream, and RandomAccessFile 
> classes, the FileNotFoundException will be thrown right away since 
> their spec allow this exception happen in the constructors. Thanks for 
> your review!
> webrev:
> -Dan
This looks much better. I guess a Boolean would have worked as well as 
adding the PathStatus enum but what you have seems okay.

It would be good to get Sherman's confirmation that we don't need to be 
concerned about anything else encoding to include NUL.


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