[vfs] classpath provider

[Emmanuel Bourg <eb...@micropole-univers.com>]

Hi, I started looking at vfs and tried to implement a classpath provider 
that may be used in a future version of [configuration]. I'm not sure I 
did it right but the test case seems to work well. I just copied the 
UrlFileProvider and adapted it to get the url from the 
ClassLoader.getResource() method.

Emmanuel Bourg

Re: [vfs] classpath provider

[Mario Ivankovits <im...@apache.org>]

Mario Ivankovits wrote:

> However, i currently found that resolving a resource which is found 
> inside an jar might not work anyway, still have to look into this.

Now it should work!!

Ciao,
Mario


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Re: [vfs] classpath provider

[Mario Ivankovits <im...@apache.org>]

Emmanuel Bourg wrote:

> 'm not sure I did it right but the test case seems to work well. I 
> just copied the UrlFileProvider and adapted it to get the url from the 
> ClassLoader.getResource() method.

Creating a new filesystem but delegating to another one breaks the 
current test-cases.
Some internal tests failed and until i dont know better, i dont want to 
adjust the test-case. I treat them as a bible - what they say is fact :-)
I found a solution by adding the scheme "res" to the UrlFileProvider too 
and explicity query this prefix during the resolveFile process.

Using UrlFileSystemConfigBuilder you could set the classloader to use.

Syntax:

res:META-INF/LICENSE.txt


However, i currently found that resolving a resource which is found 
inside an jar might not work anyway, still have to look into this.

-- Mario


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Re: [vfs] classpath provider

[Mario Ivankovits <im...@apache.org>]

Emmanuel Bourg wrote:

> I'm not sure I did it right but the test case seems to work well.

I have to tell you, that the ResourceFileProvider wont work currently.
In your testcase you added the provider to scheme "res" but you dont 
prefixed the resolveFile with "res".

And it looks like there is a major bug in the Url* implementation - with 
my current knowledge i have to say, that it wont be really used - 
sometimes vfs fallback from the url-provider to file-provider.
But i am in the mid of analyzing this thing, and it is too late today.

So it might take some time until i have analyzed what is wrong and how 
to fix.

Maybe the end is a fix for Anthonys problem too, he already tried to 
tell me that the url stuff seems not to work correctly.

-- Mario


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Re: [vfs] classpath provider

[Mario Ivankovits <ma...@ops.co.at>]

Emmanuel Bourg wrote:

> Hi, I started looking at vfs and tried to implement a classpath 
> provider that may be used in a future version of [configuration].

Nice idea - i will commit it asap, but please could you post this to 
bugzilla too. http://issues.apache.org/bugzilla/enter_bug.cgi
I dont want to fret (what a funny word :-)) you, but this is simply how 
it should be done.

Thank you!
-- Mario