Overview Package Tree Index Deprecated About
Prev Class | Next ClassFrames | No Frames
Summary: Nested | Field | Method | ConstrDetail: Nested | Field | Method | Constr

org.exolab.adaptx.xpath

Class XPathFunction

Known Direct Subclasses:
XSLTFunction
public abstract class XPathFunction
extends java.lang.Object
Abstract class representing an XPath function.
Authors:
Keith Visco
Assaf Arkin

Method Summary

abstract XPathResult
call(XPathContext context, XPathResult[] args)
Invokes the function and returns the XPath result.
abstract String
getFunctionName()
Returns the name of this function.
abstract String
getNamespaceURI()
Returns the namespace URI of this function.

Method Details

call

public abstract XPathResult call(XPathContext context,
                                 XPathResult[] args)
            throws XPathException
Invokes the function and returns the XPath result.
Parameters:
context - The XPath context
Returns:
An XPath result (not null)
Throws:
XPathException - An error occured while invoking this function

getFunctionName

public abstract String getFunctionName()
Returns the name of this function.
Returns:
The name of this function

getNamespaceURI

public abstract String getNamespaceURI()
Returns the namespace URI of this function.
Returns:
The namespace URI of this function

Overview Package Tree Index Deprecated About