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Posted to users@cocoon.apache.org by Peter Sparkes <pe...@didm.co.uk> on 2005/03/02 09:19:10 UTC

CForms -Bind to 2 Separate Sources

Hi,

Help please
I wish to bind to a XML file to generate a form and then send the data 
in the completed form to a database without updating the original XML 
file. I can't work out how to extract the data from the completed form 
so that I can update the database.

Thanks

Peter Sparkes


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Re: CForms -Bind to 2 Separate Sources

Posted by Jorg Heymans <jh...@domek.be>.

Have a look at [1], more specifically the direction attribute. In your 
binding, you can specify where the data should be loaded from and where 
the data should be saved to. So you load from your XML and you save to a 
different bean that you then persist. Should be fairly straightforward I 
believe.

Your question wasn't that clear though, hope i understood you right.

HTH
Jorg

[1] http://cocoon.apache.org/2.1/userdocs/forms/binding.html

Peter Sparkes wrote:
> Hi,
> 
> Help please
> I wish to bind to a XML file to generate a form and then send the data 
> in the completed form to a database without updating the original XML 
> file. I can't work out how to extract the data from the completed form 
> so that I can update the database.
> 
> Thanks
> 
> Peter Sparkes

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Re: CForms -Bind to 2 Separate Sources -Solved

Posted by Peter Sparkes <pe...@didm.co.uk>.

Thanks for your help, its working now. I used  Jorg's bean method to 
partially prepopulate a form with data from an XML file and save the 
data from the completed form to XMLDB

Regards

Peter Sparkes

>> Hi,
>>
>> Help please
>> I wish to bind to a XML file to generate a form and then send the 
>> data in the completed form to a database without updating the 
>> original XML file. I can't work out how to extract the data from the 
>> completed form so that I can update the database.
>
> Mark Lundquist wrote:
> I'm not quite sure I get the idea... is it to prepopulate a form from 
> XML data?
>
> If so, here's how I would go about it:
>
>     // Parse the XML into a bean.  This bean is really a kind of "Data 
> Transfer Object" (DTO).
>     //     .
>     //     .
>     //     .
>     // then:
>     //
>     form.load  (theBean);
>     form.showForm (whatever);
>     form.save (theBean);
>     //
>     // Finally, pass the bean to your model layer which updates the 
> database.
>
>
> Jorg Heymans wrote:

> Have a look at [1], more specifically the direction attribute. In your 
> binding, you can specify where the data should be loaded from and 
> where the data should be saved to. So you load from your XML and you 
> save to a different bean that you then persist. Should be fairly 
> straightforward I believe.
>
> Your question wasn't that clear though, hope i understood you right.
>
> HTH
> Jorg
>
> [1] http://cocoon.apache.org/2.1/userdocs/forms/binding.html


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Re: CForms -Bind to 2 Separate Sources

Posted by Mark Lundquist <ml...@wrinkledog.com>.

Hi Peter,

On Mar 2, 2005, at 12:19 AM, Peter Sparkes wrote:

> Hi,
>
> Help please
> I wish to bind to a XML file to generate a form and then send the data 
> in the completed form to a database without updating the original XML 
> file. I can't work out how to extract the data from the completed form 
> so that I can update the database.

I'm not quite sure I get the idea... is it to prepopulate a form from 
XML data?

If so, here's how I would go about it:

	// Parse the XML into a bean.  This bean is really a kind of "Data 
Transfer Object" (DTO).
	// 	.
	// 	.
	// 	.
	// then:
	//
	form.load  (theBean);
	form.showForm (whatever);
	form.save (theBean);
	//
	// Finally, pass the bean to your model layer which updates the 
database.

HTH,
—ml—


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