net.ontopia.topicmaps.nav2.impl.basic
Class HelloWorldFunction

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

HelloWorldFunction()

Method Summary

java.util.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 java.util.Collection execute(javax.servlet.jsp.PageContext pageContext,
                                    javax.servlet.jsp.tagext.TagSupport callingTag)
                             throws java.io.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:

java.io.IOException

javax.servlet.jsp.JspException