com.japisoft.xpath.function.basic
Class FunctionLib

java.lang.Object
  |
  +--java.util.Dictionary
        |
        +--java.util.Hashtable
              |
              +--com.japisoft.xpath.function.basic.FunctionLib

All Implemented Interfaces:

java.lang.Cloneable, Lib, java.util.Map, java.io.Serializable

public final class FunctionLib

extends java.util.Hashtable

implements Lib

Library of XPath function. Use the put method for adding a new function of replacing existing one.

Version:

1.1

Author:

(c) 2003 JAPISOFT

See Also:

Serialized Form

Constructor Summary

FunctionLib()

Method Summary

java.lang.Object

eval(java.lang.String function, XPathContext context, FastVector arg) Eval the function by its name.

Methods inherited from class java.util.Hashtable

clear, clone, contains, containsKey, containsValue, elements, entrySet, equals, get, hashCode, isEmpty, keys, keySet, put, putAll, remove, size, toString, values

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

FunctionLib

public FunctionLib()

Method Detail

eval

public java.lang.Object eval(java.lang.String function,
                             XPathContext context,
                             FastVector arg)

Eval the function by its name. If the function is unknown a runtime exception is thrown.

Specified by:

eval in interface Lib

Parameters:

function - a String value

context - a XPathContext value

arg - a Vector value

Returns:

an Object value