com.novell.xml.xpath.functions
Class xpathLast

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

public class xpathLast

extends Function

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

Constructor Summary

xpathLast()
Construct an object for the last() function

Method Summary

ExpressionValue	invoke(Object[] args) Perform last() function
NumberValue	last(Node contextNode, ExpressionContext context) Perform last() 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

xpathLast

public xpathLast()

Construct an object for the last() function

Method Detail

invoke

public ExpressionValue invoke(Object[] args)
                       throws XPathEvaluationException

Perform last() 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 number of nodes in the context node list

Throws:

XPathEvaluationException

last

public NumberValue last(Node contextNode,
                        ExpressionContext context)
                 throws XPathEvaluationException

Perform last() function

Parameters:

contextNode - expression context node

context - Context node list

Throws:

XPathEvaluationException

toString

public String toString()

Return function name.

Returns:

Function name.