HelloWorldFunction (Ontopia)

java.lang.Object
- net.ontopia.topicmaps.nav2.impl.basic.AbstractFunction
- - net.ontopia.topicmaps.nav2.impl.basic.HelloWorldFunction

All Implemented Interfaces:

FunctionIF
```
public class HelloWorldFunction
extends AbstractFunction
```
INTERNAL: Implementation of FunctionIF interface for testing purposes. This class may also be used to demonstrate also the external function mechansimn.

See Also:

ExternalFunctionTag

Constructor Summary

Constructors
Constructor Description

HelloWorldFunction()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`Collection`	`execute(javax.servlet.jsp.PageContext pageContext, javax.servlet.jsp.tagext.TagSupport callingTag)`	INTERNAL: Executes this function in the specified context.

Methods inherited from class net.ontopia.topicmaps.nav2.impl.basic.AbstractFunction
call, getModule, getName, getParameters, getReturnVariableName, getRootNode, toString

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - HelloWorldFunction
```
public HelloWorldFunction()
```
- Method Detail
  - execute
```
public Collection execute(javax.servlet.jsp.PageContext pageContext,
                          javax.servlet.jsp.tagext.TagSupport callingTag)
                   throws IOException,
                          javax.servlet.jsp.JspException
```
    Description copied from interface: FunctionIF
    
    INTERNAL: Executes this function in the specified context.
    
    Specified by:
    
    execute in interface FunctionIF
    
    Overrides:
    
    execute in class AbstractFunction
    
    Returns:
    
    Collection The function return value collection. If null is returned, no value will be given to the parent value accepting tag.
    
    Throws:
    
    IOException
    
    javax.servlet.jsp.JspException