org.apache.xalan.extensions
Class XPathFunctionImpl

java.lang.Object
  org.apache.xalan.extensions.XPathFunctionImpl

All Implemented Interfaces:

javax.xml.xpath.XPathFunction

public class XPathFunctionImpl
extends java.lang.Object
implements javax.xml.xpath.XPathFunction

A sample implementation of XPathFunction, with support for EXSLT extension functions and Java extension functions.

Field Summary

private java.lang.String	m_funcName
private ExtensionHandler	m_handler

Constructor Summary

XPathFunctionImpl(ExtensionHandler handler, java.lang.String funcName)
Construct an instance of XPathFunctionImpl from the ExtensionHandler and function name.

Method Summary

java.lang.Object	evaluate(java.util.List args)
private static java.util.Vector	listToVector(java.util.List args) Convert a java.util.List to a java.util.Vector.

Methods inherited from class java.lang.Object

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

Field Detail

m_handler

private ExtensionHandler m_handler

m_funcName

private java.lang.String m_funcName

Constructor Detail

XPathFunctionImpl

public XPathFunctionImpl(ExtensionHandler handler,
                         java.lang.String funcName)

Construct an instance of XPathFunctionImpl from the ExtensionHandler and function name.

Method Detail

evaluate

public java.lang.Object evaluate(java.util.List args)
                          throws javax.xml.xpath.XPathFunctionException

Specified by:

evaluate in interface javax.xml.xpath.XPathFunction

Throws:

javax.xml.xpath.XPathFunctionException

See Also:

XPathFunction.evaluate(java.util.List)

listToVector

private static java.util.Vector listToVector(java.util.List args)

Convert a java.util.List to a java.util.Vector. No conversion is done if the List is already a Vector.