com.novell.xml.xpath.functions
Class xpathStringLength

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

public class xpathStringLength

extends Function

This class implements the XPath string-length(string?) built-in function

Constructor Summary

xpathStringLength()
Construct an object for the string-length() function

Method Summary

ExpressionValue	invoke(Object[] args) Perform string-length() 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

xpathStringLength

public xpathStringLength()

Construct an object for the string-length() function

Method Detail

invoke

public ExpressionValue invoke(Object[] args)
                       throws XPathEvaluationException

Perform string-length() function

Overrides:

invoke in class Function

Parameters:

args - List of arguments. The argument is optional. If specified, it must resolve to string type. If the argument is unspecified, the value of the context node is used as the argument.

Returns:

The length of the argument in characters.

Throws:

XPathEvaluationException

toString

public String toString()

Return function name.

Returns:

Function name.