org.apache.xpath.compiler

Class FuncLoader


public class FuncLoader
extends java.lang.Object

Lazy load of functions into the function table as needed, so we don't have to load all the functions allowed in XPath and XSLT on startup.

Constructor Summary

FuncLoader(String funcName, int funcID)
Construct a function loader

Method Summary

Function
getFunction()
Get a Function instance that this instance is liaisoning for.
String
getName()
Get the local class name of the function class.

Constructor Details

FuncLoader

public FuncLoader(String funcName,
                  int funcID)
Construct a function loader

Parameters:
funcName - The class name of the {org.apache.xpath.functions.Function} class, which, if it does not have a '.' in it, is assumed to be relative to 'org.apache.xpath.functions'.
funcID - The function ID, which may correspond to one of the FUNC_XXX values found in FunctionTable, but may be a value installed by an external module.

Method Details

getFunction

public Function getFunction()
            throws TransformerException
Get a Function instance that this instance is liaisoning for.

Returns:
non-null reference to Function derivative.

Throws:
TransformerException - if ClassNotFoundException, IllegalAccessException, or InstantiationException is thrown.


getName

public String getName()
Get the local class name of the function class. If function name does not have a '.' in it, it is assumed to be relative to 'org.apache.xpath.functions'.

Returns:
The class name of the {org.apache.xpath.functions.Function} class.


Copyright B) 2004 Apache XML Project. All Rights Reserved.