Simple Database example

[Alex McLintock <al...@OWAL.co.uk>]

Hi folks,

I'm trying to figure out whether I should use Cocoon for a small office 
based application. It doesn't need to be web based, but I think it may 
benefit from it.

My essential problem is that I want to figure out how to do lots of 
database web pages easily and with the minimum of me hand coding stuff.

In general I want to list records, select one for editing, offer it for 
editing, validate and save it... and this gets tedious for different tables.

With Apache Turbine I am familiar with Torque to handle the generation of a 
lot of database<->object code, and velocity to handle screen templates, and 
Intake to help with form validation, but I am less familiar about how to do 
the same sort of thing in Cocoon.

I suppose I could use Torque (or OJB) to represent records as beans, and 
then use XMLForms to write to those beans, and then use the sitemap as part 
of the controller....
But I haven't yet seen an example of that in action. I'm nervous of going 
down a route which I think is obvious, but no one else has tried.

Is there a standard application which does all this?


Cheers

Alex McLintock




Openweb Analysts Ltd, London.
Software For Complex Websites http://www.OWAL.co.uk/
Open Source Software Companies please register here 
http://www.OWAL.co.uk/oss_support/


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Re: Simple Database example

[Bertrand Delacretaz <bd...@codeconsult.ch>]

Alex McLintock wrote:
 >. . .
> In general I want to list records, select one for editing, offer it for 
> editing, validate and save it... and this gets tedious for different 
> tables.
 >. . .

> Is there a standard application which does all this?

There are small examples but I don't think there is a full-size "best 
practice" application example yet. Problem is, software darwinism is 
still at work in selecting the best way of doing CRUD applications with 
Cocoon, currently several alternatives are being explored.

I think Torsten Curdt's GetTogether presentation [1] gives a good 
overview of what's here today. Things should get better soon though...

Also, Marc Portier's excellent presentation [2] of their XReporter tool 
at the same event shows an interesting structure using Cocoon as the 
frontend of a REST-like application backend.

Hope this helps!

-- 
  Bertrand Delacretaz (codeconsult.ch, jfor.org)

  buzzwords: XML, java, XSLT, Cocoon, FOP, mentoring/teaching/coding.
  blogspace http://www.codeconsult.ch/bertrand


[1] 
http://outerthought.net/gettogether/12%20-%20presentation%20-%20torsten.pdf

[2]
http://outerthought.net/gettogether/14%20-%20presentation%20-%20mpo.pdf


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