[jira] [Commented] (WICKET-6137) ListenerInterfaceRequestHandler

["ASF subversion and git services (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/WICKET-6137?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15225902#comment-15225902 ] 

ASF subversion and git services commented on WICKET-6137:
---------------------------------------------------------

Commit b60ba3d80c3db957f7b2afee730e4cc197da2f1b in wicket's branch refs/heads/request_listener_simplification from [~svenmeier]
[ https://git-wip-us.apache.org/repos/asf?p=wicket.git;h=b60ba3d ]

WICKET-6137 don't render dot separator when no renderCount and no behaviorId


> ListenerInterfaceRequestHandler 
> --------------------------------
>
>                 Key: WICKET-6137
>                 URL: https://issues.apache.org/jira/browse/WICKET-6137
>             Project: Wicket
>          Issue Type: Improvement
>          Components: wicket
>    Affects Versions: 8.0.0-M1
>            Reporter: Sven Meier
>            Assignee: Sven Meier
>            Priority: Minor
>
> Branch "request_listener_simplification" contains a proposal to simplify ListenerInterfaceRequestHandler.
> By limiting components and behaviors to implement a single callback only, we can remove the identifying part "I*Listener" from URLs.
> For page 0, renderCount 1 and behavior 2 the following componentInfos:
>   0-1.ILinkListener-link
>   0-1.ILinkListener.2-link
>   0-IResourceListener-image
>   0-IResourceListener.2-wmc
> ... become:
>   0-1.-link
>   0-1.2-link
>   0-.-image
>   0-.2-wmc
> This format could be further improved.
> This has the following advantages:
> - minimize framework exposure in URLs
> - URLs get shorter
> - no need to register INTERFACE constants any longer
> - instead using of reflection ListenerInterfaceRequestHandler can call a single method on the component or behavior, which makes debugging easier.
> - single interface for components or behavior which can be targetted by requests:
> {code}
> 	public interface IRequestListener extends IClusterable
> 	{
> 		/**
> 		 * Does invocation of this listener render the page. 
> 		 * 
> 		 * @return default {@code true}, i.e. a {@link RenderPageRequestHandler} is scheduled after invocation 
> 		 */
> 		default boolean rendersPage()
> 		{
> 			return true;
> 		}
> 	
> 		/**
> 		 * Called when a request is received.
> 		 */
> 		void onRequest();
> 	}
> {code}



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