> Hi Bertrand, I agree that referencing test cases is for sure good and 
> validating those assumptions with those as well (if that is not yet the 
> case). Currently though I have troubles to find the according code.
> The selector, extension and suffix handling is in 
> https://github.com/apache/sling/blob/trunk/bundles/engine/src/main/java/org/apache/sling/engine/impl/request/SlingRequestPathInfo.java
>  and nicely tested in 
> https://github.com/apache/sling/blob/c9e59667d8f9cd698bc33a51f3e6a22e85d4a952/bundles/engine/src/test/java/org/apache/sling/engine/impl/request/SlingRequestPathInfoTest.java.
> 
> But the part which actually extracts the resource from the request url is 
> hard to find. So the place where the resource path is separated from the rest.
> I only found 
> https://github.com/apache/sling/blob/c9e59667d8f9cd698bc33a51f3e6a22e85d4a952/bundles/engine/src/main/java/org/apache/sling/engine/impl/request/RequestData.java#L232
>  which just relies on HttpServletRequest.getPathInfo() to call 
> ResourceResolver.resolve with that path. But that will always use the full 
> path (everything up to the query part of the URL) as resource path, which is 
> obviously not true.
>  
> Can someone give me a pointer where in the code the longest resource path 
> followed by „.“ algorithm is implemented to find the resource path?

Everything is done in ResourceResolverImpl.resolve and the methods
called from there. I think the real work is done in one of  the
resolveInternal methods

Carsten

> Is there some servlet filter implemented which overwrites the 
> HttpServletRequest.getPathInfo()?
> 
> Thanks,
> Konrad
> 
>> Am 20.09.2016 um 10:13 schrieb Bertrand Delacretaz <bdelacre...@apache.org>:
>>
>> Hi Konrad,
>>
>> On Mon, Sep 19, 2016 at 11:37 AM, Konrad Windszus <konra...@gmx.de> wrote:
>>> ...So basically we have to distinguish between existing and non existing 
>>> resource paths...
>>
>> Even if someone knew these details off the top of their head (which I
>> don't) IMO the only sane way to document these things in a foolproof
>> way is with automated tests. Keep the docs at the overview / basic
>> principles level, and put the Whole Truth in readable tests.
>>
>> I think the script resolution page [1], which points to the
>> ScriptSelectionTest [2] is a good example of that, that we might want
>> to replicate for the URL decomposition components.
>>
>> -Bertrand
>>
>> [1] 
>> https://sling.apache.org/documentation/the-sling-engine/url-to-script-resolution.html
>> [2] 
>> http://svn.apache.org/repos/asf/sling/trunk/bundles/servlets/resolver/src/test/java/org/apache/sling/servlets/resolver/internal/helper/ScriptSelectionTest.java
> 
> 


 

-- 
Carsten Ziegeler
Adobe Research Switzerland
cziege...@apache.org

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