com.novell.xml.xpath.functions
Class xpathNumber

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

public class xpathNumber

extends Function

This class implements the XPath number(object?) built-in function

Constructor Summary

xpathNumber()
Construct an object for the number() function

Method Summary

ExpressionValue	invoke(Object[] args) Perform number() 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

xpathNumber

public xpathNumber()

Construct an object for the number() function

Method Detail

invoke

public ExpressionValue invoke(Object[] args)
                       throws XPathEvaluationException

Perform number() 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 The third argument may not exist, or it may be an expression value

Returns:

The number value of the argument - the current context node (if no third parm) or the converted expression value

Throws:

XPathEvaluationException

toString

public String toString()

Return function name.

Returns:

Function name.