[picocontainer-dev] ASM dependency in core.

Paul Hammant <[email protected]>
Newsgroups gmane.comp.java.picocontainer.devel
Message-ID <[email protected]>
Y'all turned a blind eye when I put a dependency on ASM in the core :-)

Although the Parameter name stuff in PicoContainer can leverage post- 
processed classes without ASM, there is a fallback mechanism that  
will use ASM to peer into the debug tables if present on a class.

I think it would be cool to trim some 15K of classes out of ASM and  
repackage them inside PicoContainer's core Jar.  There are three ways  
to do this - http://tonicsystems.com/products/jarjar/ http:// 
vafer.org/blog/tag/minijar and something that Jason and Mauro have  
made born from impatience issues for the previous two.

The Interesting thing is I'd like to consume the classes from ASM  
(ClassReader another others) into org.picocontainer.injectors.*

I'd then like to post process the resulting classes making all of the  
former public classes and methods 'package' meaning only our classes  
can use them.  That's org.picocontainer.injectors.IterativeInjector  
and org.picocontainer.injectors.SingleMemberInjector. The Pico jar  
uploaded to the repos would be those classes zipped.

Rationale?

Pico is quite locked down in terms of security. We're doing  
AccessController.doPrivileged(..) in multiple places.  It means that  
People could trust Pico to do the right thing then manage rights  
elsewhere in an invocation chain.  I.e. they can consider Pico to be  
as benign as classes in java.*

If we move the ASM classes there, we should be sure that they can  
only be used by PicoContainer it its normal operation.

Thoughts?

- Paul
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