[asm] Re: Inheritance matching?

[Eugene Kuleshov <eu@xxxxxxxxxx>]

 Look, for example, at ClassInfo API in AspectWerkz project. We also 
have more rudimentary implementation of similar functionality in one of 
the ASM's tests, e.g. see ClassWriterComputeFramesTest.transformClass() 
method.

 regards,
 Eugene


jessh@xxxxxxx wrote:
> In a java.lang.instrument.ClassFileTransformer implementation, I wish to
> efficiently pick out classes that implement certain interfaces or sub-class
> certain classes.
>
> It is obvious how to do this if the interface or class in question is a direct
> parent of the class in question.  What is less clear is how to safely (and
> efficiently) do this for parents several levels removed.  What's the normal
> pattern here?
>
> I'm obviously familiar with the reflection APIs, but I also unsure one can
> safely do
>
>   Class  parent = Class.forName( className.replace( '/', '.' ) );
>
> or the like.
>
> Sorry if this is a dumb question.
>