users@jax-rs-spec.java.net

[jax-rs-spec users] Re: How is an SSE method selected

From: Santiago Pericasgeertsen <santiago.pericasgeertsen_at_oracle.com>
Date: Fri, 13 Nov 2015 08:55:02 -0500

> On Nov 13, 2015, at 5:46 AM, Sergey Beryozkin <sberyozkin_at_talend.com> wrote:
>
> Unless of course in the reality the browsers do always set an SSE MT, in which case there's no problem...
> Any comments from the spec leads at all ?

 I’m my experience text/event-stream is always there, so this is a non-issue.

— Santiago

> Given this has been working on Jersey for a long time now, what is your experience with that,
> can one expect the complaint browsers always set Accept: text/event-stream ?
>
> Thanks, Sergey
> On 12/11/15 21:56, Sergey Beryozkin wrote:
>> Really ? So if no Accept is set by a browser client then a JAX-RS method that does not initiate an SSE output channel can be selected ?
>>
>> Sergey
>> On 12/11/15 18:22, Markus KARG wrote:
>>> As it is no special case at all, it simply is selected in case it is the best matching method.
>>>
>>> From: Sergey Beryozkin [ <mailto:sberyozkin_at_talend.com>mailto:sberyozkin_at_talend.com <mailto:sberyozkin_at_talend.com>]
>>> Sent: Donnerstag, 12. November 2015 13:12
>>> To: jsr370-experts_at_jax-rs-spec.java.net <mailto:jsr370-experts_at_jax-rs-spec.java.net>
>>> Subject: How is an SSE method selected
>>>
>>> Hi All
>>>
>>> It is somewhat related to the earlier discussion.
>>> From SSE [1]:
>>>
>>> http://www.w3.org/TR/2009/WD-eventsource-20091029/#processing-model <http://www.w3.org/TR/2009/WD-eventsource-20091029/#processing-model>
>>>
>>> "For HTTP connections, the Accept header may be included; if included, it must contain only formats of event framing that are supported by the user agent (one of which must be text/event-stream <http://www.w3.org/TR/2009/WD-eventsource-20091029/#text-event-stream>, as described below)."
>>>
>>> So, if Accept: text/event-stream is included, I can see how having @Produces(text/event-stream) can indeed help in relying on the existing JAX-RS mechanism to ensure that the relevant method is selected.
>>>
>>> However, the language above implies that it is optional to have Accept for initiating an SSE channel. What happens if Accept is omitted - how will the method be selected in that case ?
>>>
>>> Thanks, Sergey
>>>
>>>
>>
>
>