Package org.apache.tapestry5.internal.services

Class ProductionModeUnknownComponentFilter

java.lang.Object

org.apache.tapestry5.internal.services.ProductionModeUnknownComponentFilter

All Implemented Interfaces:

ComponentRequestFilter

public class ProductionModeUnknownComponentFilter
extends Object
implements ComponentRequestFilter

A filter, used only in production mode, that does a "pre-flight check" that the indicated component actually exists. If it does not, then the handling of the component event is aborted and other hooks will ensure that request ultimately becomes a 404.

Since:

5.4

Constructor Summary

Constructors

Constructor	Description
ProductionModeUnknownComponentFilter(Request request, RequestPageCache cache)

Method Summary

Modifier and Type	Method	Description
void	handleComponentEvent(ComponentEventRequestParameters parameters, ComponentRequestHandler handler)	Handler for a component action request which will trigger an event on a component and use the return value to send a response to the client (typically, a redirect to a page render URL).
void	handlePageRender(PageRenderRequestParameters parameters, ComponentRequestHandler handler)	Invoked to activate and render a page.

Methods inherited from class java.lang.Object

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

Constructor Detail

ProductionModeUnknownComponentFilter

public ProductionModeUnknownComponentFilter(Request request,
                                            RequestPageCache cache)

Method Detail

handleComponentEvent

public void handleComponentEvent(ComponentEventRequestParameters parameters,
                                 ComponentRequestHandler handler)
                          throws IOException

Description copied from interface: ComponentRequestFilter

Handler for a component action request which will trigger an event on a component and use the return value to send a response to the client (typically, a redirect to a page render URL).

Specified by:

handleComponentEvent in interface ComponentRequestFilter

Parameters:

parameters - defining the requst

handler - next handler in the pipeline

Throws:

IOException

handlePageRender

public void handlePageRender(PageRenderRequestParameters parameters,
                             ComponentRequestHandler handler)
                      throws IOException

Description copied from interface: ComponentRequestFilter

Invoked to activate and render a page. In certain cases, based on values returned when activating the page, a ComponentEventResultProcessor may be used to send an alternate response (typically, a redirect).

Specified by:

handlePageRender in interface ComponentRequestFilter

Parameters:

parameters - defines the page name and activation context

handler - next handler in the pipeline

Throws:

IOException