Stuart,

I was able to successfully set up a RoutingHandler, and it is matching templates correctly. However, how do I get access to the {variable} data itself once inside my matched handler?

I have looked through all of the Handler methods/props and the only place I see the values are in the relative path, which would require me to re-parse the URL to get to the data I need..

A quick example is:

/user/{userId}

Which is matched when someone requests something like:

/user/5

How do I get access to the "5"? Perhaps I'm too new to Undertow to miss something obvious, but some advice would be appreciated!

On Tue, Apr 15, 2014 at 6:16 PM, Bill O'Neil <oneil5045@gmail.com> wrote:

Thanks for the quick response.  This is exactly what I was looking for.

Bill

On Tue, Apr 15, 2014 at 7:27 PM, Jonathan Hart <jonathan.hart@gmail.com> wrote:

Hi everyone (new to this list)

Many thanks for making this, I was trying to do the EXACT same thing with Undertow and was having a very hard time wrapping my head around predicates. 

On Mon, Apr 14, 2014 at 5:38 PM, Stuart Douglas <sdouglas@redhat.com> wrote:

Bill O'Neil wrote:
> I was curious what the best practices would be for url routing with many
> endpoints.
>
> For example
>
> POST /user/
> GET /user/{userId}
> GET /document/{documentId} ContentType=appliction/json (only respond
> when json is requested)
>
> What would be the best option for this? I was able to achieve most of
> what i wanted using the PredicatesHandler class. Is this a good choice?

That will work fine, although there are more efficient ways to do this.
I think this will actually be a fairly common use case, so I have added
a handler to handle this:

https://github.com/undertow-io/undertow/commit/04385f29996673658bce3c131de4e0a32241e78e#diff-3


Basically it matches requests based on a combination of method, path
template and predicate, and will be considerably more efficient that
testing a list of predicates.

Stuart

>
> This would build a List of PredicatedHandlers as well as the fall
> through handler which I would use as a 404. I got an example working
> using the text predicate format
>
> method[GET] and path-template[value=\"/user/{userId}\"]
>
>
> Is this a good approach or are there better recommendations?
>
>
> Thanks,
>
> Bill
>

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