org.apache.xpath.functions
Class FuncExtFunction

java.lang.Object
  |
  +--org.apache.xpath.Expression
        |
        +--org.apache.xpath.functions.Function
              |
              +--org.apache.xpath.functions.FuncExtFunction

public class FuncExtFunction
extends Function


Constructor Summary
FuncExtFunction(java.lang.String namespace, java.lang.String extensionName, java.lang.Object methodKey)
           
 
Method Summary
 void checkNumberArgs(int argNum)
           
 XObject execute(XPathContext xctxt)
          Execute the function.
 void setArg(Expression arg, int argNum)
           
 
Methods inherited from class org.apache.xpath.Expression
assert, error, warn
 
Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

FuncExtFunction

public FuncExtFunction(java.lang.String namespace,
                       java.lang.String extensionName,
                       java.lang.Object methodKey)
Method Detail

execute

public XObject execute(XPathContext xctxt)
                throws SAXException
Execute the function. The function must return a valid object.
Parameters:
xctxt - The current execution context.
Returns:
A valid XObject.
Overrides:
execute in class Function

setArg

public void setArg(Expression arg,
                   int argNum)
            throws WrongNumberArgsException
Overrides:
setArg in class Function

checkNumberArgs

public void checkNumberArgs(int argNum)
                     throws WrongNumberArgsException
Overrides:
checkNumberArgs in class Function


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