On Wed, Feb 10, 2010 at 10:44 AM, Ganesh <gan...@j4fry.org> wrote:
> IMHO the spec is very clear about this and the stuff in the appendix is a
> spec bug. From the spec (10.1.2):
>
> A decision was made early in this process to strive for backwards
> compatibility between the latest popular version of Facelets and Facelets in
> JSF 2.0. The sole determinant to backwards compatibility lies in the answer
> to the question, “is there any Java code in the application, or in libraries
> used by the application, that extends from or depends on any class in
> package com.sun.facelets and/or its sub-packages?”
> ■ If the answer to this question is “yes”, Facelets in JSF 2.0 is not
> backwards compatibile with Facelets and such an application must continue to
> bundle the Facelets jar file along with the application, continue to set the
> Facelets configuration parameters, and also set the
> javax.faces.DISABLE_FACELET_JSF_VIEWHANDLER
> <context-param> to true. Please see Section 11.1.3 “Application
> Configuration Parameters” for details on this
> option. Any code that extends or depends on any class in package
> com.sun.facelets and/or its sub-packages
> must be modified to depend on the appropriate classes in package
> javax.faces.webapp.vdl and/or its subpackages.

yes (see previous email(s))


> ■ If the answer to this question is “no”, Facelets in JSF 2.0 is backwards
> compatible with pre-JSF 2.0 Facelets and such an application must not
> continue to bundle the Facelets jar file along with the application, and
> must not continue to set the Facelets configuration parameters.
> Thankfully, most applications that use Facelets fall into the latter
> category, or, if they fall in the former, their dependence will easily be
> migrated to the new public classes.

ok. please; file a bug on that appendix thing.

thjx
-m

>
> Best regards,
> Ganesh
>
> Matthias Wessendorf schrieb:
>>
>> On Wed, Feb 10, 2010 at 6:26 AM, Ganesh <gan...@j4fry.org> wrote:
>>>
>>> Many Facelets taglibs don't use Facelets tag handlers,
>>> but simply wrap some xhtml templates. Nothing will stop these libraries
>>> to
>>> work with MyFaces if we allow old version taglibs.
>>> If we insist on refusing them people will simply switch to Mojarra to get
>>> their application to run.
>>
>> I know; that's what I meant with my comment before
>>
>>> The argument of a xsd:restriction in the spec will
>>> help little. Just
>>> taking old Facelets is *not* a solution, because the
>>> rest of the application may want to use the new features.
>>> Please try filing this as a bug to Mojarra as Matthias
>>> proposed - if they fix it, MyFaces may insist on version=2.0, but if they
>>> don't I think we shouldn't
>>> either.
>>
>> I agree
>>
>>> I've carried the question whether a JSF 2.0 compatible implementation is
>>> required to refuse old version facelets taglibs into the EG - let's see,
>>> what they have to say
>>
>> technically, I think now we are correct.
>>
>> @Jakob: Did you create such a bug against the RI ?
>> (that they allow "old" Facelets) maybe another on
>> not being (too) clear in the spec about it...
>> -Matthias
>>
>>> on this ...
>>>
>>> Best regards,
>>> Ganesh
>>>>
>>>> I see both ways; I think I don't like the fact that the RI has this
>>>> "bug"
>>>> :)
>>>> So, end of the story is, almost everybody will blame this to us ;-)
>>>> "Oh, crappy MyFaces doesn't work" etc :) All the FUD! :)
>>
>>
>>
>



-- 
Matthias Wessendorf

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