users@jax-rs-spec.java.net

[jax-rs-spec users] [jsr339-experts] Re: Is ParamConverterProvider needed ?

From: Bill Burke <bburke_at_redhat.com>
Date: Wed, 05 Sep 2012 08:47:28 -0400

Then again, you could just add those to ParamConter interface. So,
yeah, Why do we have ParamConverterProvider? :)

On 9/5/2012 8:45 AM, Bill Burke wrote:
> Yeah you're right, you wouldn'd need to trigger....But maybe you have
> formatting annotations? like @Encoded? or @CharSet
>
> On 9/5/2012 4:43 AM, Sergey Beryozkin wrote:
>> On 04/09/12 18:24, Bill Burke wrote:
>>> The provider allowa you to trigger a ParamConverter base on an applied
>>> annotation, no?
>>
>> What kind of annotation ? The runtime knows when it deals with a JAX-RS
>> 'parameter', when processing the request, example, when converting URI
>> path or query values into method parameters annotated with
>> @PathParam/etc, or when converting objects passed to query/etc target
>> methods on the client.
>>
>> Is it really for accommodating @Lazy annotation ?
>>
>>>
>>> Generic type information can be obtained by introspecting the class.
>>
>> Right. If so, why is it passed as a parameter, what exactly it can help
>> with, an example would help ?
>>
>> Sergey
>>
>>>
>>> On 9/4/2012 12:38 PM, Sergey Beryozkin wrote:
>>>> Hi
>>>>
>>>> We have ParamConverterProvider and ParamConverter, I wonder do we
>>>> really
>>>> need the former ?
>>>>
>>>> Example, individual ExceptionMapper implementations can be
>>>> registered as
>>>> providers, why should ParamConverter implementations be created
>>>> indirectly via ParamConverterProvider ?
>>>>
>>>> I can see ParamConverterProvider allows to find the providers for
>>>> arguments like "List<Book>" - but do we really need it ?
>>>>
>>>> Sergey
>>>
>>
>

-- 
Bill Burke
JBoss, a division of Red Hat
http://bill.burkecentral.com