public class XPathFunctionImpl extends java.lang.Object implements XPathFunction
Constructor and Description |
---|
XPathFunctionImpl(ExtensionHandler handler,
java.lang.String funcName)
Construct an instance of XPathFunctionImpl from the
ExtensionHandler and function name.
|
Modifier and Type | Method and Description |
---|---|
java.lang.Object |
evaluate(java.util.List args)
Evaluate the function with the specified arguments.
|
public XPathFunctionImpl(ExtensionHandler handler, java.lang.String funcName)
public java.lang.Object evaluate(java.util.List args) throws XPathFunctionException
XPathFunction
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.
evaluate
in interface XPathFunction
args
- The arguments, null
is a valid value.XPath
function as an Object
.XPathFunctionException
- If args
cannot be evaluated with this XPath
function.XPathFunction.evaluate(java.util.List)
Copyright © 2014 Apache XML Project. All Rights Reserved.