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Posted to users@cocoon.apache.org by Luca Zago <lz...@e-tree.com> on 2003/02/24 14:26:59 UTC
Cocoon as a DataMapper framework
Hi,
I was thinking about a data mapper framework, a framework which can take
data from a source and write to another destination. An application
scenario could be taking an xml somewhere (XML DB, HTML forms) and then
writing it to a traget XML or even Relational DB.
Then I was thinking why not to use cocoon to do it.
I had some doubts, the nice thing could be that I write mainly the xml
files for transformation and the pipelines, and then the framework works
for me, my doubts are that coccon is too 'content delivery oriented' to
apply such features. is cocoon in your opinion enough flexible to use it
in such a scenario with not a great load of coding?
Has somebody experienced such an application scenario for coccoon?
One limitation immediately came to my mind is that cocoon works with a
request from client, is it possible to call a pipeline programmatically?
Thank you very much n advance for suggestions and opinions.
Luca
--
Luca Zago
Senior IT Developer
_____________________________________________________
E-TREE S.p.a. Via Fonderia 43 - 31100 Treviso (Italy)
phone +39.0422.3107
fax +39.0422.310888
http://www.e-tree.com http://www.webanana.com
_____________________________________________________
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Alternate request/response mechanisms for Cocoon (was Re: Cocoon
as a DataMapper framework)
Posted by Ryan Hoegg <rh...@isisnetworks.net>.
Luca,
I have also been considering such an idea. I have not spent the time to
look into Cocoon's architecture in enough detail yet, but it seems I
would just need to set up my own class that performs all the duties that
the Cocoon servlet performs.
I recently had the opportunity to meet with some other members of this
list, and we tossed the idea around. Someone mentioned that there is
currently work in progress to abstract the request/response model
because of the command line interface. It would seem that if one wanted
to use Cocoon as a data pipeline for a different type of application
than command line or HTTP, one would want to sync up with the people
doing this.
My particular idea was to repurpose Cocoon's pipeline architecture as an
EAI front end. That is, it would be responsible for communications
between organizations and applications. I have recently been looking
around to see if there is any other appropriately licensed software that
is more suited to this particular use case, but so far haven't found
any. However, I have found the werkflow project to be interesting if
considered in conjunction with Cocoon.
Anyone else been thinking along these lines?
--
Ryan Hoegg
ISIS Networks
http://www.isisnetworks.net
Luca Zago wrote:
> Hi Laurent,
> yes sure, this is for sure a workaround. Bu my doubts are more about
> the architecture of cocoon. For example how to implement a service
> that take an xml from a source and write it on dB without sending the
> request by an HTTP Connection? Is it possible to make an XML
> persistence (like a serializer could be) to a relational DB?
> Cocoon could have all the methods to do it, through a configurable
> pipeline for example, I was wondering if it could be possible to do it
> by an API outside the webapp framework?
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Re: Cocoon as a DataMapper framework
Posted by Luca Zago <lz...@e-tree.com>.
Hi Laurent,
yes sure, this is for sure a workaround. Bu my doubts are more about the
architecture of cocoon. For example how to implement a service that take
an xml from a source and write it on dB without sending the request by
an HTTP Connection? Is it possible to make an XML persistence (like a
serializer could be) to a relational DB?
Cocoon could have all the methods to do it, through a configurable
pipeline for example, I was wondering if it could be possible to do it
by an API outside the webapp framework?
Regards,
Luca
Laurent Comte wrote:
> Hi Luca,
>
> I'm writing a web-application (servlets + POJO) that use Cocoon for
> presentation, so my application is Controller+Model, and Cocoon is
> View (plus Controller if I need), MVC model speaking.
>
>
> My application generate data (response) in XML, and then I forward
> the original request using "/view" alias, pointing to the main
> Cocoon servlet. AFAK, i's a servlet, so you can call it like another
> one ...
>
> Regards.
> Laurent
>
>
> -----Message d'origine-----
> De : Luca Zago [mailto:lzago@e-tree.com]
> Envoye : lundi 24 fevrier 2003 14:27
> A : cocoon-users@xml.apache.org
> Objet : Cocoon as a DataMapper framework
>
>
> Hi,
> I was thinking about a data mapper framework, a framework which can take
> data from a source and write to another destination. An application
> scenario could be taking an xml somewhere (XML DB, HTML forms) and then
> writing it to a traget XML or even Relational DB.
> Then I was thinking why not to use cocoon to do it.
> I had some doubts, the nice thing could be that I write mainly the xml
> files for transformation and the pipelines, and then the framework works
> for me, my doubts are that coccon is too 'content delivery oriented' to
> apply such features. is cocoon in your opinion enough flexible to use it
> in such a scenario with not a great load of coding?
> Has somebody experienced such an application scenario for coccoon?
> One limitation immediately came to my mind is that cocoon works with a
> request from client, is it possible to call a pipeline programmatically?
>
> Thank you very much n advance for suggestions and opinions.
>
> Luca
>
>
--
Luca Zago
Senior IT Developer
_____________________________________________________
E-TREE S.p.a. Via Fonderia 43 - 31100 Treviso (Italy)
phone +39.0422.3107
fax +39.0422.310888
http://www.e-tree.com http://www.webanana.com
_____________________________________________________
---------------------------------------------------------------------
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RE: Cocoon as a DataMapper framework
Posted by Laurent Comte <la...@oodrive.fr>.
Hi Luca,
I'm writing a web-application (servlets + POJO) that use Cocoon for
presentation, so my application is Controller+Model, and Cocoon is
View (plus Controller if I need), MVC model speaking.
My application generate data (response) in XML, and then I forward
the original request using "/view" alias, pointing to the main
Cocoon servlet. AFAK, i's a servlet, so you can call it like another
one ...
Regards.
Laurent
-----Message d'origine-----
De : Luca Zago [mailto:lzago@e-tree.com]
Envoye : lundi 24 fevrier 2003 14:27
A : cocoon-users@xml.apache.org
Objet : Cocoon as a DataMapper framework
Hi,
I was thinking about a data mapper framework, a framework which can take
data from a source and write to another destination. An application
scenario could be taking an xml somewhere (XML DB, HTML forms) and then
writing it to a traget XML or even Relational DB.
Then I was thinking why not to use cocoon to do it.
I had some doubts, the nice thing could be that I write mainly the xml
files for transformation and the pipelines, and then the framework works
for me, my doubts are that coccon is too 'content delivery oriented' to
apply such features. is cocoon in your opinion enough flexible to use it
in such a scenario with not a great load of coding?
Has somebody experienced such an application scenario for coccoon?
One limitation immediately came to my mind is that cocoon works with a
request from client, is it possible to call a pipeline programmatically?
Thank you very much n advance for suggestions and opinions.
Luca
--
Luca Zago
Senior IT Developer
_____________________________________________________
E-TREE S.p.a. Via Fonderia 43 - 31100 Treviso (Italy)
phone +39.0422.3107
fax +39.0422.310888
http://www.e-tree.com http://www.webanana.com
_____________________________________________________
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