URLConnection.guessContentTypeFromStream() does not support UTF8 and UTF32 with BOM

[Alan Bateman]

Chris Hegarty wrote:
> Charles, Alan,
>
> I filed CR 7026346: " URLConnection.guessContentTypeFromStream does 
> not support UTF-8 and UTF-32 xml streams with BOM", for this issue.
>
> I also creating a webrev from your patch, with the following changes:
>
>  * Moved the UTF-32BE before the UTF-32LE, as per the comment
>  * filled out the UTF-32BE and UTF-32LE around the '?' '<' 'x' chars
>  * Included you original test in an existing test for xml content types.
>
> Charles, Please verify the changes.
>
> http://cr.openjdk.java.net/~chegar/7026346/webrev.00/webrev/
>
> Alan,
>  I believe you already looked at the original patch. I think these 
> changes are fine, can you please also review.
Yes, I looked at the changes and didn't see any issues. I don't think 
that method is widely used anyone, and its been many years since anyone 
has asked to extend it with additional content types.  Thanks for adding 
a test.

-Alan