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From "Pier Fumagalli (JIRA)" <j...@apache.org>
Subject [jira] Updated: (COCOON-1270) Javaflow can't call inherited methods
Date Tue, 25 Oct 2005 13:22:02 GMT
     [ http://issues.apache.org/jira/browse/COCOON-1270?page=all ]

Pier Fumagalli updated COCOON-1270:
-----------------------------------

    Assign To: Torsten Curdt  (was: Torsten Curdt)

> Javaflow can't call inherited methods
> -------------------------------------
>
>          Key: COCOON-1270
>          URL: http://issues.apache.org/jira/browse/COCOON-1270
>      Project: Cocoon
>         Type: Bug
>   Components: - Flowscript
>     Versions: 2.1.8-dev (Current SVN)
>  Environment: Operating System: Linux
> Platform: PC
>     Reporter: Nikolaus Rath
>     Assignee: Torsten Curdt

>
> A class named FlowHandler contains this method:
>     public void doInvokeMain()
>     {
>         try {
>             setParent(null);
>             doInvoke();
>         } catch (CommandException e) {
>             // Because we are the top level handler, something bad
>             // must have happened
>             throw new RuntimeException("Unhandled command: " +
>                                        e.getCommand());
>         }
>     }
> MenuBarHandler is a class inherited from FlowHandler. The following does *not*
> work (from sitemap.xmap):
>   <map:flow language="java">
>     <map:script src="org.rath.votra.MenuBarHandler"/>
>   </map:flow>
> [...]
>       <map:match pattern="start">
>         <map:call function="invokeMain" />
>       </map:match>
> When accessing the start URI, cocoon produces an InstantiationException.
> When I add the doInvokeMain method directly to the MenuBarHandler class,
> everything works fine:
>     /* If we do not define this method here, we get an
> java.lang.InstantiationException
>        from cocoon. Seems to be a bug. */
>     public void doInvokeMain() {
>         super.doInvokeMain();
>     }
> It seems that cocoon can't call inherited methods as flow handlers.

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