[RFC] netx: search for main method in superclasses of the main class

[Dr Andrew John Hughes]

On 17:46 Wed 04 Aug     , Omair Majid wrote:
> Hi,
> 
> The attached patch makes netx search for the main method in the 
> superclasses of the main class. This patch allows JOSM [1] to work with 
> Netx.
> 
> Some applications like JOSM declare a main class which does not contain 
> a main method - the main method is declared in a superclass instead. The 
> tar file attached contains a simple example of such an application. With 
> the current version of netx, it throws an exception, saying that the 
> main method can not be found. The attached patch moves some the method 
> lookup code into a findMainMethod() which also loops through the 
> superclasses looking for the main method if it is not found in the 
> declared main class.
> 
> Any comments or concerns?
> 
> Cheers,
> Omair
> 
> [1] http://josm.openstreetmap.de/download/josm.jnlp
> 

Using getMethod rather than getDeclaredMethod:

http://download.oracle.com/javase/6/docs/api/java/lang/Class.html#getMethod%28java.lang.String,%20java.lang.Class...%29

would perform the looping over the superclasses and superinterfaces;

'Let C be the class represented by this object:

   1. C is searched for any matching methods. If no matching method is found, the algorithm of step 1 is invoked recursively on the superclass of C.
   2. If no method was found in step 1 above, the superinterfaces of C are searched for a matching method. If any such method is found, it is reflected.'

-- 
Andrew :)

Free Java Software Engineer
Red Hat, Inc. (http://www.redhat.com)

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