On Wed, 29 Jan 2003, V. Cekvenich wrote:
> Date: Wed, 29 Jan 2003 07:12:47 -0500
> From: V. Cekvenich <[EMAIL PROTECTED]>
> Reply-To: Struts Developers List <[EMAIL PROTECTED]>
> To: [EMAIL PROTECTED]
> Subject: Very OT: Java Reflection?
>
> Someone care to help me out on OT reflection?
>
> Here is the situation:
> My base class has a reflection (in execute) that does this :
>
> Method eventMethod = this.getClass().getMethod(methodName, args);
>
> and same class has
> onDefaultExec() {}
> (or full code here:
>
>http://cvs.sourceforge.net/cgi-bin/viewcvs.cgi/basicportal/ROOT/src/basicWebLib/org/apache/basicWebLib/dispatch/BaseTilesActionHandler.java
> )
>
> The concrete (derived) class works great with reflection, it calls the
> method in that class.
>
> However, the problem is that if the concrete class does not have a
> reflected method, it won't go look back in the base class for the method
> name. In my case onDefaultExec and others are in base, not the instance
> class.
>
> To restate, if I reflect for a method that is concrete class, great, but
> when I reflect for a method for a base class I get
> reflect.InvocationTargetException
> It's not looking back.
>
Check out the methods :-) in MethodUtils from commons-beanutils -- they
know how to search through superclasses (and implemented interfaces) for
the correct Method object to call invooke() on.
> ?
>
> tia,
> Vic
Craig
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