[Jersey] Re: Adding grammar to the resources

From: Cameron Jones <>
Date: Fri, 2 Aug 2013 11:58:57 +0100

On Thu, Aug 1, 2013 at 7:16 PM, Tatu Saloranta <> wrote:
> I think it is rather that as per JAX-RS (and, I would argue, most all
> frameworks) routing by query parameter is something that should not be
> done. There are many practical reasons for this, including the fact that
> whereas path is hierarchic, and lends itself to relatively easy mapping,
> and state machines, query parameter set is an unordered bag of things. And
> operating on such dynamic, heterogenous data is difficult from otherwise
> static handler.
> So really it's better to leave that to either app developer, or to another
> framework/library/abstraction.
> That is my reading anyway: I am not involved in JAX-RS or Jersey
> development, so this is just my opinion.
> -+ Tatu +-
There is an impedance mismatch between Java method signatures and URI
signatures which results in non-linear mapping. Akin to ORM and RDBMS.

The potential for extending the JAX-RS dispatch algorithm would need to be
the production of a most-sensible specification 'convention' over a
one-to-one correlation.

I'm not sure how feasible it is to extend the JAX-RS\Jersey dispatching,
but the programmatic manipulation of parameters is always there.

Perhaps given the current focus on JAX-RS 2 and CDI\DI features, the time
for this is best left for possible investigation for JAX-RS 3.