LDAP URI (Re: Question about 6961765)

[Weijun Wang]

It will be fixed in 7u6.

On 03/02/2012 05:32 PM, Sean Chou wrote:
>
> Thank you very much for this detail explanation.
>
> As it is a simple modification to get this enhancement, and we
> had an issue about it, please re-open it.
>
>
> On Fri, Mar 2, 2012 at 4:09 PM, Weijun Wang <weijun.wang at oracle.com
> <mailto:weijun.wang at oracle.com>> wrote:
>
>     LDAP URL (RFC 4516 2.1) specifies that only <reserved>,
>     <unreserved>, and <pct-encoded> chars can be used, which do not
>     include general non-ASCII unicode. UrlUtil deals with these chars
>     correctly.
>
>     The javadoc of URLDecoder [1] also only allows these characters, and
>     it says --
>
>        There are two possible ways in which this decoder could deal with
>        illegal strings. It could either leave illegal characters alone or
>        it could throw an IllegalArgumentException. Which approach the
>        decoder takes is left to the implementation.
>
>     Now the Oracle implementation of the class "leave illegal characters
>     alone" and a Unicode char is still Unicode and you get the correct
>     result.
>
>     In this sense, UrlUtil is not as good as URLDecoder. It neither
>     leave them alone nor throw an exception. Therefore, maybe it's
>     better to use URLDecoder here, but before any spec officially
>     supports "other" characters (a category defined in the URI class,
>     including non-ASCII non-control non-space Unicode chars), it's
>     better to use 100% legal chars in an LDAP URI.
>
>     If you have a strong request, I can re-open the bug.
>
>     Thanks
>     Max
>
>     [1]
>     http://docs.oracle.com/javase/__7/docs/api/java/net/__URLDecoder.html <http://docs.oracle.com/javase/7/docs/api/java/net/URLDecoder.html>
>
>     On 03/02/2012 02:15 PM, Sean Chou wrote:
>
>
>              But UrlUtil.decode(DN, "UTF8")  and  URLDecoder.decode(DN,
>         "UTF8")
>         are returning
>         different strings, if DN has invalid encoding, why
>         URLDecoder.decode(DN,
>         "UTF8") can
>         decode it ?
>
>         On Thu, Mar 1, 2012 at 4:21 PM, Weijun Wang
>         <weijun.wang at oracle.com <mailto:weijun.wang at oracle.com>
>         <mailto:weijun.wang at oracle.com
>         <mailto:weijun.wang at oracle.com>__>> wrote:
>
>             Added some evaluation. Copied here:
>
>             The URL in the testcase has an invalid encoding. Its Unicode
>         characters
>             must be encoded in UTF-8. For example,
>
>                 \u3070 -> \e3\81\b0 -> %5Ce3%5C81%5Cb0
>
>             -Weijun
>
>
>             On 03/01/2012 03:39 PM, Sean Chou wrote:
>
>                 Hi all,
>
>                     I just encountered this bug:
>         http://bugs.sun.com/____bugdatabase/view_bug.do?bug_____id=6961765
>         <http://bugs.sun.com/__bugdatabase/view_bug.do?bug___id=6961765>
>         <http://bugs.sun.com/__bugdatabase/view_bug.do?bug___id=6961765
>         <http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6961765>> .
>                 But it is
>                 closed as "NOT A BUG" without any comments.
>
>                     Would anyone take a look and give it a comment ? Thanks.
>
>
>
>
>         --
>         Best Regards,
>         Sean Chou
>
>
>
>
> --
> Best Regards,
> Sean Chou
>