com.novell.xml.xpath.functions
Class xpathPosition

java.lang.Object
  com.novell.xml.xpath.Function
      com.novell.xml.xpath.functions.xpathPosition

public class xpathPosition

extends Function

This class implements the XPath position() built-in function

Constructor Summary

xpathPosition()
Construct an object for the position() function

Method Summary

ExpressionValue	invoke(Object[] args) Perform position() function
NumberValue	position(Node contextNode, ExpressionContext context) Perform position() function
String	toString() Return function name.

Methods inherited from class com.novell.xml.xpath.Function

getInstance, getSignature, isConstant, registerForReset

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

xpathPosition

public xpathPosition()

Construct an object for the position() function

Method Detail

invoke

public ExpressionValue invoke(Object[] args)
                       throws XPathEvaluationException

Perform position() function

Overrides:

invoke in class Function

Parameters:

args - List of arguments. First first argument must be the context node. The second argument must be the expression context object

Returns:

A number indicating the position of the context node in the context node list

Throws:

XPathEvaluationException

position

public NumberValue position(Node contextNode,
                            ExpressionContext context)

Perform position() function

Parameters:

contextNode - Node whose position is desired

context - Context node list

toString

public String toString()

Return function name.

Returns:

Function name.