[undertow-dev] Predicate Language

[Stuart Douglas]

On Thu, 18 Jun 2020 at 03:24, Brad Wood <bdw429s at gmail.com> wrote:

> I'm working on an integration with Undertow's Predicate language in my
> Undertow-powered project, CommandBox.  I just wanted to say, this feature
> is super sweet and it's really going to provide a lot of value for my users
> to toss in quick text-based rules to control their server.
>
> In case anyone else using this feature is curious, I've compiled a list of
> missing features and bugs from our initial proof of concept phase and I've
> entered the tickets below.  I'm willing to help send pulls for some of
> these, though I am a little curious regarding the future of Undertow and if
> Undertow 3 is really happening any time soon at this point or if I should
> just be focusing on Undertow 2.x for the foreseeable future.
>

Undertow 3 will basically be based on the Quarkus HTTP code (
https://github.com/quarkusio/quarkus-http). This takes Undertow, removes
XNIO, and adds a connector layer to allow multiple connectors. Currently
this only has a vert.x based connector, but as part of this work we would
also add a pure Netty one so there is no required Vert.x dependency. Once
this has been done the 'quarkus-http' repository will be archived.

Unfortunately everyone on the team has been extremely busy so it is hard to
say exactly when this will happen, so for now I would focus on 2.x. From a
users point of view there are definitely some API changes (the biggest one
being no XNIO), but all the concepts should be pretty similar, so it should
be relatively easy to port a 2.x app to 3.x.

Stuart


>
> Also, on a side note, could a JIRA admin please add a "Predicate Language"
> component in JIRA for me to tag these tickets with?
>
> *Predicate Language Redirect handler doesn't allow custom status code*
> https://issues.redhat.com/browse/UNDERTOW-1734
> *Predicate Language handler to set inline response body*
> https://issues.redhat.com/browse/UNDERTOW-1736
> *Predicate Language response-code handler doesn't allow custom status text*
> https://issues.redhat.com/browse/UNDERTOW-1735
> *Predicate Language access-control handler doesn't have failure-status
> parameter*
> https://issues.redhat.com/browse/UNDERTOW-1737
> *Relax case sensitivity in Predicate Language for ease of use*
> https://issues.redhat.com/browse/UNDERTOW-1738
> *Sub groups don't work with nested predicate*
> https://issues.redhat.com/browse/UNDERTOW-1739
> *Predicate Language parsing fails on semi-colon before "else" keyword*
> https://issues.redhat.com/browse/UNDERTOW-1740
>
> Thanks!
>
> ~Brad
>
> *Developer Advocate*
> *Ortus Solutions, Corp *
>
> E-mail: brad at coldbox.org
> ColdBox Platform: http://www.coldbox.org
> Blog: http://www.codersrevolution.com
>
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