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From Alex Soto <asot...@gmail.com>
Subject Re: JaxRS versioning REST API
Date Mon, 20 Oct 2014 08:34:27 GMT
yes but then @Consumes and @Produces not containing the version part:

@Path("/resource")

@Consumes({"application/xml", "application/json"})

@Produces({"application/xml", "application/json"})

public AppApiSubResource getVersionedSubResource() {

  String version = getVersionFromHeader();

  return SubResourceFactory.getResource(version);


}

because if content also contains version then we are still in original
problem.




2014-10-20 10:21 GMT+02:00 Romain Manni-Bucau <rmannibucau@gmail.com>:

> You can read the header in the router, route then delegates the impl
> to the next? Also means you can just use rest endpoint to select the
> right impl using same pattern but with a single JAXRS level surely
> (and routing is done to service level).
>
>
> Romain Manni-Bucau
> @rmannibucau
> http://www.tomitribe.com
> http://rmannibucau.wordpress.com
> https://github.com/rmannibucau
>
>
> 2014-10-20 10:17 GMT+02:00 Alex Soto <asotobu@gmail.com>:
> > Yes I like the header approach as well, but then I see no way to
> implement
> > it directly using subresources.
> >
> > 2014-10-20 10:14 GMT+02:00 Romain Manni-Bucau <rmannibucau@tomitribe.com
> >:
> >
> >> most of real impl uses path (/v1) but i like header solution. allows
> >> to handle default correctly without rewrite magic and to add it for v2
> >> once forgotten for v1 :)
> >> Romain Manni-Bucau
> >> Twitter: @rmannibucau
> >> Blog: http://rmannibucau.wordpress.com/
> >> LinkedIn: http://fr.linkedin.com/in/rmannibucau
> >> Github: https://github.com/rmannibucau
> >>
> >>
> >>
> >> 2014-10-20 10:10 GMT+02:00 Jean-Louis Monteiro <
> jlmonteiro@tomitribe.com>:
> >> > Right. No magic solution.
> >> >
> >> > I've seen the content type pattern, but it has many drawbacks so I
> would
> >> > not go with this one.
> >> >
> >> > --
> >> > Jean-Louis Monteiro
> >> > http://twitter.com/jlouismonteiro
> >> > http://www.tomitribe.com
> >> >
> >> > On Sun, Oct 19, 2014 at 1:48 PM, Alex Soto <asotobu@gmail.com> wrote:
> >> >
> >> >> Yes this is what I though about creating a central place, but I was
> >> >> thinking about using a rewrite instead of a subresource. I am going
> to
> >> >> google a bit about this pattern. For what I see there is no magic
> >> solution
> >> >> yet :(
> >> >>
> >> >> Thanks.
> >> >>
> >> >> 2014-10-19 13:44 GMT+02:00 Romain Manni-Bucau <
> >> rmannibucau@tomitribe.com>:
> >> >>
> >> >> > Hi
> >> >> >
> >> >> > What about sub resource locator pattern?
> >> >> >
> >> >> > For versioning I used a sub resource facade delegating to the
real
> >> >> > service then. This is just a router but it allows to put all the
> logic
> >> >> > in a single place.
> >> >> > Romain Manni-Bucau
> >> >> > Twitter: @rmannibucau
> >> >> > Blog: http://rmannibucau.wordpress.com/
> >> >> > LinkedIn: http://fr.linkedin.com/in/rmannibucau
> >> >> > Github: https://github.com/rmannibucau
> >> >> >
> >> >> >
> >> >> >
> >> >> > 2014-10-19 13:19 GMT+02:00 Alex Soto <asotobu@gmail.com>:
> >> >> > > Hi guys,
> >> >> > >
> >> >> > > this is more a design question than a question about how
to do
> >> >> something
> >> >> > > with JAX-RS.
> >> >> > >
> >> >> > > Currently I am developing an API using JAX-RS which must
be
> >> >> versionable.
> >> >> > > That means that the API will evolve and client must specify
which
> >> >> version
> >> >> > > of the API want to use. There are a lot of strategies but
> finally I
> >> >> > decided
> >> >> > > to use the one using Header and ContentType. Let me show
an
> example:
> >> >> > >
> >> >> > > @Consumes*({*"application/vnd.blog.v1+xml"*,*
> >> >> > "application/vnd.blog.v1+json"
> >> >> > > *})*
> >> >> > >
> >> >> > > @Produces*({*"application/vnd.blog.v1+xml"*,*
> >> >> > "application/vnd.blog.v1+json"
> >> >> > > *})*
> >> >> > >
> >> >> > > *public* *class* Book*RestfulService* *{*
> >> >> > >
> >> >> > >
> >> >> > >
> >> >> > >     @GET
> >> >> > >
> >> >> > >     @Path*(*"/books"*)*
> >> >> > >
> >> >> > >    ….
> >> >> > >
> >> >> > > }
> >> >> > >
> >> >> > > @Consumes*({*"application/vnd.blog.v1+xml"*,*
> >> >> > "application/vnd.blog.v1+json"
> >> >> > > *})*
> >> >> > >
> >> >> > > @Produces*({*"application/vnd.blog.v1+xml"*,*
> >> >> > "application/vnd.blog.v1+json"
> >> >> > > *})*
> >> >> > >
> >> >> > > *public* *class* Author*RestfulService* *{*
> >> >> > >
> >> >> > >
> >> >> > >
> >> >> > >     @GET
> >> >> > >
> >> >> > >     @Path*(*“/authors”*)*
> >> >> > >
> >> >> > >    ….
> >> >> > >
> >> >> > > }
> >> >> > >
> >> >> > > That's an example of version one, but now let's say I have
a
> >> >> modification
> >> >> > > only in Author endpoint. I can do it and then the restful
will be
> >> v2.
> >> >> So
> >> >> > I
> >> >> > > will have something like:
> >> >> > >
> >> >> > > @Consumes*({*"application/vnd.blog.v2+xml"*,*
> >> >> > "application/vnd.blog.v2+json"
> >> >> > > *})*
> >> >> > >
> >> >> > > @Produces*({*"application/vnd.blog.v2+xml"*,*
> >> >> > "application/vnd.blog.v2+json"
> >> >> > > *})*
> >> >> > >
> >> >> > > *public* *class* Author2*RestfulService* *{*
> >> >> > >
> >> >> > >
> >> >> > >
> >> >> > >     @GET
> >> >> > >
> >> >> > >     @Path*(*“/authors”*)*
> >> >> > >
> >> >> > >    ….
> >> >> > >
> >> >> > > }
> >> >> > > The problem is that because Book has not received any
> modification,
> >> I
> >> >> > > should add @Consumes and @Produces with v2 as well, something
> like:
> >> >> > >
> >> >> > > @Consumes*({*"application/vnd.blog.v1+xml"*,*
> >> >> > "application/vnd.blog.v1+json",
> >> >> > > "application/vnd.blog.v2+xml"*,*
> "application/vnd.blog.v2+json"*})*
> >> >> > >
> >> >> > > @Produces*({*"application/vnd.blog.v1+xml"*,*
> >> >> > "application/vnd.blog.v1+json",
> >> >> > > ....*})*
> >> >> > >
> >> >> > > *public* *class* Book*RestfulService* *{*
> >> >> > >
> >> >> > > *}*
> >> >> > >
> >> >> > > So now it is easy but if I have 25 services then I would
need to
> go
> >> one
> >> >> > by
> >> >> > > one and add the media type as well. The problem is that I
can
> miss
> >> one
> >> >> > and
> >> >> > > then the API had a misplaced endpoint.
> >> >> > >
> >> >> > > One thing that I have thought about it is create a rewriting
> filter
> >> >> > where I
> >> >> > > can intercept the calls and then redirect to the correct
> endpoint.
> >> In
> >> >> > this
> >> >> > > way all the rules will be placed in a single place.
> >> >> > >
> >> >> > > Any hints/experience on this?
> >> >> > >
> >> >> > > Thank you so much.
> >> >> > >
> >> >> > >
> >> >> > > --
> >> >> > > +----------------------------------------------------------+
> >> >> > >   Alex Soto Bueno
> >> >> > >   www.lordofthejars.com
> >> >> > > +----------------------------------------------------------+
> >> >> >
> >> >>
> >> >>
> >> >>
> >> >> --
> >> >> +----------------------------------------------------------+
> >> >>   Alex Soto Bueno - Computer Engineer
> >> >>   www.lordofthejars.com
> >> >> +----------------------------------------------------------+
> >> >>
> >>
> >
> >
> >
> > --
> > +----------------------------------------------------------+
> >   Alex Soto Bueno - Computer Engineer
> >   www.lordofthejars.com
> > +----------------------------------------------------------+
>



-- 
+----------------------------------------------------------+
  Alex Soto Bueno - Computer Engineer
  www.lordofthejars.com
+----------------------------------------------------------+

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