Re: User defined function in XPATH in chiba

Tan, Pow Hwee wrote:

>  
> Hi,
>  
> I am intersted to use the recalculate / calculate feature in XForms in 
> Chiba.  Is there a way to call external user defined (Java) function 
> within the XPath expression in Chiba?
>  
> Regards,
> ph tan
>  
yes, there is a way. chiba provides two connectors for that purpose: 
org.chiba.xml.xforms.connector.ModelItemCalculator and 
org.chiba.xml.xforms.connector.ModelItemValidator. they are triggered 
via an URI, like the other connectors. to make use of them in a xpath 
expression, write "chiba:calculate('<uri>')" or 
"chiba:validate('<uri>')" respectively. the calculator is designed to 
return a string value as the calculation result, while the validator has 
to return a boolean value.
regards, uli.
--
Ulrich Nicolas Lissé



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