Re: Does OpenJDK support bitmap image with JarURLConnection?

[Jing LV]

于 2011-3-1 18:44, Chris Hegarty 写道:
> Interesting... I would have guessed bmp would be supported too.  It
> doesn't appear to be specific to JarURLConnection, raw file urls also
> exhibit the same behavior.
>
> Wow, last time content-types.properties was meaningfully changed was
> 1999, when PNG was added! I don't have any specific objection to adding it.
>
> -Chris.
>
>

Hi Chris,

Thanks for reply. So as we see no objection for this issue, would
someone help to raise a bug in the bug system? So that we can apply the
patch and fix this 12-year problem.

> On 03/ 1/11 09:27 AM, Jing LV wrote:
>> Hello,
>>
>> It is a little odd to me that I find OpenJDK JarURLConnection does not
>> support bmp file. The testcase below:
>>
>> public static void main(String[] args) throws MalformedURLException, 
>> IOException {
>>          JarURLConnection conn = (JarURLConnection) new 
>> URL("jar:file:/somedir/somejar.jar!/somebmp.bmp").openConnection();
>>          System.out.printf("Returned type for the entry should be the known 
>> type " +
>>                  "image/bmp, but it is " + conn.getContentType());
>>      }
>>
>>      (Need create a somejar.jar containing a bmp file named somebmp.bmp)
>>
>>      It should return image/bmp but it does not. I see we may add image/bmp 
>> support in the windows\lib\content-types.properties to make the testcase 
>> pass.
>>      However I am not sure if OpenJDK do want to support it, or there is 
>> some reason why OpenJDK don't?
>>
>>


-- 
Best Regards,
Jimmy, Jing LV