public interface XPathFunction
XPathFunction provides access to XPath functions.
Functions are identified by QName and arity in XPath.
| Modifier and Type | Method and Description |
|---|---|
Object |
evaluate(List args)
Evaluate the function with the specified arguments.
|
Object evaluate(List args) throws XPathFunctionException
Evaluate the function with the specified arguments.
To the greatest extent possible, side-effects should be avoided in the definition of extension functions. The implementation evaluating an XPath expression is under no obligation to call extension functions in any particular order or any particular number of times.
args - The arguments, null is a valid value.XPath function as an Object.XPathFunctionException - If args cannot be evaluated with this XPath function. Submit a bug or feature
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