Re: AW: [Woody] Binding problem for missing elements in source file

[Upayavira]

Markus Heussen wrote:

-----Ursprungliche Nachricht-----
Von: Upayavira
Gesendet: Mittwoch, 17. Dezember 2003 16:49
An: [EMAIL PROTECTED]
Betreff: Re: [Woody] Binding problem for missing elements in source file
Markus Heussen wrote:

 

Hi all.

I'm new to the Woody framework but till now it works fine for me. But I
     

have
 

one problem I don't know how to solve at best :-(

I get the following exception when I submit the form:

org.apache.cocoon.woody.binding.BindingException: Problem binding field
vn_titel (parent = "") to xpath v:Titel (context xpath =
"/soap-env:Envelope[1]/soap-env:Body[1]/v:Versicherung[1]/v:Partner[1]/v:P
     

er
 

son[1]")

org.apache.commons.jxpath.JXPathException: No value for xpath: v:Titel

The field is defined in the form definition file and a binding is also
defined in the woody binding file. But in one case there is no
     

corresponding
 

XML tag in my source file. In other case there is one. I have to create
     

the
 

element if it is missing. So how can I manage this situation at best?

Who can point me to the right direction?

     

Not sure if I'm right here, but I think you need 'lenient' jxpath within
binding - this means that, if jxpath doesn't find a node, it ignores it,
rather than causing an exception.
   

But this is not exactly what I have to do. If there is no node in the source
file I have to create this node before the binding saves it back to the
source. How can I manage this at best? I have no experience in using the
woody framework. When I set @readonly to true within the binding I get no
exceptions because there is no saving process. But in fact I have to save
it. I tried something around <wb:insert-node/> but it didn't work :-(
<wb:delete-node/> does what I expected.
Anyone there who can give me a hint? I really need this feature.
 

I'm no expert either, and I've never used binding. I am talking about 
'lenient' not 'readonly' or 'direction'. It was committed into CVS this 
morning, here's a snippet from the status.xml file:

  <action dev="MPO" type="add" >
    Changed semantics on the cforms binding. Added a @direction (which replaces 
    the @read-only) and a @lenient attribute on all binding implementations in 
    the pool.
  </action>

Still don't know if this is what you're after.

Regards,  Upayavira

Markus

 

There has been discussion on the dev list about adding this over the
last couple of days. I'm not sure if it is in CVS Cocoon yet, but I
suspect it will be within a day or so.
Regards, Upayavira

   

Thanks for your help, Markus.
     



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