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From Leszek Gawron <lgaw...@mobilebox.pl>
Subject Re: How is the cocoon object model set up?
Date Thu, 06 Apr 2006 11:19:32 GMT
Daniel Fagerstrom wrote:
> Reinhard Poetz skrev:
> 
>> Berin Loritsch wrote:
>>
>>> I submitted bug COCOON-1816 because the cocoon object model was not 
>>> set up in a way that I expected.  It cost hours of lost productivity 
>>> only to find out I have to bounce my processing for a static page 
>>> (with a couple variable pieces) through a flowscript just to access 
>>> cocoon.request.  To me that is an example of something that can be 
>>> fixed to improve the perceived simplicity of the system.  It seems 
>>> unreasonable to require Flowscript first for a largely static 
>>> page--nothing has to be set up, I just need to get a bit of 
>>> information from the request object.
>>>
>>> I believe the cocoon object model is a great selling point--as long 
>>> as it is set up consistently and available to all sitemap components 
>>> without forcing one component to be executed before another.  Not all 
>>> problems require flowscript.
>>>
>>> Is the COM strictly tied to the flowscript engine?  Is there any way 
>>> we can safely and simply extract that out?
>>
>>
>> yes, IIRC this is a problem of JXTemplate(Generator|Transformer) and 
>> should be solved by the backported template block. I'm sure that 
>> Leszek can tell us more about this.
>>
> We also had some discussions about unifying the environment model some 
> years ago 
> http://marc.theaimsgroup.com/?l=xml-cocoon-dev&m=110963086900150&w=2. 
> And about "accessors" 
> http://svn.apache.org/repos/asf/cocoon/trunk/cocoon-template/cocoon-template-impl/src/main/java/org/apache/cocoon/components/accessor/

> that, compared to input modules separates the concerns of accessing an 
> environment object and applying e.g. JXPath on it.
> 
> But ths work was never finished so there is still a need for a more 
> unified way to access "environment" information in Cocoon.
AFAIR the only blocker were the sitemap parameters which could not be 
put into object model in clean way. Has anything changed since then?

-- 
Leszek Gawron                                      lgawron@mobilebox.pl
IT Manager                                         MobileBox sp. z o.o.
+48 (61) 855 06 67                              http://www.mobilebox.pl
mobile: +48 (501) 720 812                       fax: +48 (61) 853 29 65

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