Andreas,
You should try to use an ExtensionFunction. What exactly is the issue
with iteration?
- Dmitri
--- "Geerling, Andreas" <[EMAIL PROTECTED]> wrote:
> I am trying to write a function sumBigDecimal() similar to the sum()
> function.
> First I tried to create a ExtensionFunction, but i have the problem
> to iterate the values.
>
> Only with Java, i would do it like this:
>
> public static BigDecimal sumBigDecimal(JXPathContext context,String
> xpath) {
> Object obj = null;
> BigDecimal sum = new BigDecimal("0");
> Iterator iter = context.iterate(xpath);
> while (iter.hasNext()) {
> obj = iter.next();
> if (obj instanceof BigDecimal) {
> sum = sum.add((BigDecimal) obj);
> }
> } return sum;
> }
>
> But I would like to use it "within" JXPath as a Function.
> Examples:
>
> BigDecimal myBetrag = (BigDecimal) context.getValue(
>
>
"myf:sumBigDecimal(positionen[freieAttribute/warengruppe='AA']/vbetrag)");
>
> String artikelbezeichnung = (String) context.getValue(
> "positionen[sumBigDecimal(vbetrag) > $minBetrag]/bezeichnung)");
>
> Can someone help me?
>
> Andreas Geerling
>
>
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