jsr372-experts@javaserverfaces-spec-public.java.net

[jsr372-experts] Re: Tag to declare and import constants in EL scope

From: Bauke Scholtz <balusc_at_gmail.com>
Date: Mon, 20 Jun 2016 20:33:39 +0200

I don't think using an annotation is a good idea. Usually models reside in
business/service (EJB) layer and you don't want to have JSF dependencies
over there.

Cheers, B

On Mon, Jun 20, 2016 at 3:36 PM, arjan tijms <arjan.tijms_at_gmail.com> wrote:

> On Mon, Jun 20, 2016 at 3:24 PM, Bauke Scholtz <balusc_at_gmail.com> wrote:
>
>> A faces-config.xml based configuration is a reasonable idea. Perhaps even
>> better.
>>
>
> And/or the upcoming @FacesConfig ;)
>
> Kind regards,
> Arjan Tijms
>
>
>
>
>>
>> Cheers, B
>>
>>
>> On Mon, Jun 20, 2016 at 3:14 PM, Leonardo Uribe <leonardo.uribe_at_irian.at>
>> wrote:
>>
>>> Hi
>>>
>>> Just as a comment, f:importConstants reminds me f:loadBundle, which was
>>> deprecated and replaced by a solution that loads the bundle from the
>>> faces-config.xml files.
>>>
>>> The problem about f:importConstants is how to set up the context where
>>> these constants are available. For example
>>>
>>> <f:importConstants type="com.example.Gender" />
>>>
>>> <h:selectOneMenu value="#{person.gender}">
>>> <f:selectItems value="#{Gender}" />
>>>
>>> <f:ajax ...../>
>>> </h:selectOneMenu>
>>>
>>>
>>> if the ajax is only for the component, f:importConstants can be ignored
>>> and the code will break.
>>>
>>> so, the "challenge" is to find a way to define the EL context properly.
>>>
>>> In MyFaces there are some EL contexts:
>>>
>>> - page
>>> - template
>>> - view
>>> - global
>>>
>>> Sometimes you want a definition to pass through the template, sometimes
>>> through the view or sometimes just have a global definition for all your
>>> views.
>>>
>>> regards,
>>>
>>> Leonardo Uribe
>>>
>>>
>>> 2016-06-20 14:49 GMT+02:00 Bauke Scholtz <balusc_at_gmail.com>:
>>>
>>>> Hi,
>>>>
>>>> See https://java.net/jira/browse/JAVASERVERFACES_SPEC_PUBLIC-1424
>>>>
>>>> This is a commonly requested feature from the community. Several
>>>> libraries have it implemented such as OmniFaces and PrimeFaces Extensions.
>>>> It would be nice to offer a standard JSF solution such as
>>>> <f:importConstants>. It's relatively trivial to implement.
>>>>
>>>> If there are no objections, I will take it on me.
>>>>
>>>> Cheers, B
>>>>
>>>>
>>>>
>>>
>>
>