org.springframework.extensions.surf.site
Class EmptyRegionRenderer

java.lang.Object
  org.springframework.extensions.surf.render.AbstractProcessor
      org.springframework.extensions.surf.site.EmptyRegionRenderer

All Implemented Interfaces:

EventListener, org.springframework.context.ApplicationContextAware, org.springframework.context.ApplicationListener, Processor

public class EmptyRegionRenderer
extends AbstractProcessor

Processor class which renders a null result. Used to render vacant "empty" regions when there are no bound components. A common use case for application that are not "design focused".

Author:

Kevin Roast

Constructor Summary

EmptyRegionRenderer()

Method Summary

void	executeBody(ProcessorContext pc) Executes the "body" of the processor output using the given processor context.
void	executeHeader(ProcessorContext pc) Executes the "header" of the processor output using the given processor context.
boolean	exists(ProcessorContext pc) Indicates whether the engine responsible for processing the body of the processor exists.

Methods inherited from class org.springframework.extensions.surf.render.AbstractProcessor

execute, executeFooter, getProperty, getRenderingDescriptor, getRenderingDescriptor, init, onApplicationEvent, setApplicationContext

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

EmptyRegionRenderer

public EmptyRegionRenderer()

Method Detail

executeHeader

public void executeHeader(ProcessorContext pc)
                   throws RendererExecutionException

Description copied from interface: Processor

Executes the "header" of the processor output using the given processor context.

Specified by:

executeHeader in interface Processor

Overrides:

executeHeader in class AbstractProcessor

Parameters:

pc - processorContext

Throws:

RendererExecutionException

executeBody

public void executeBody(ProcessorContext pc)
                 throws RendererExecutionException

Description copied from interface: Processor

Executes the "body" of the processor output using the given processor context.

Specified by:

executeBody in interface Processor

Specified by:

executeBody in class AbstractProcessor

Parameters:

pc - processorContext

Throws:

RendererExecutionException

exists

public boolean exists(ProcessorContext pc)

Description copied from interface: Processor

Indicates whether the engine responsible for processing the body of the processor exists.

Returns: