Re: empty interfaces via reflection

=?ISO-8859-1?Q?Arne_Vajh=F8j?= <>
Sun, 14 Oct 2007 21:37:26 -0400
Aryeh M. Friedman wrote:

On Oct 13, 10:33 pm, Patricia Shanahan <> wrote:

Aryeh M. Friedman wrote:

On Oct 13, 10:04 pm, Patricia Shanahan <> wrote:

Aryeh M. Friedman wrote:

Is it possible to force a class to implement a (empty) interface via
reflection only... the problem is I want to create a Proxy but want
the class/interface being proxied to be totally unaware of it (eg.
TestProxy does some debugging and checks on all classes
Class.newInstance() calls after it is constructor is called [from the
caller not from within itself])

Have you considered aspect oriented programming, and AspectJ in

For other projects yes but this is one has Java as one of it's

AspectJ is not Java enough for the purpose? I believe the classes you
are operating on can be written in conventional Java. It is only the
code that imposes the checks and debugging that needs the AspectJ
extensions on top of Java.

The reason for saying this is it needs to be 100% backwards compatible
with Java (i.e. you do not need AsepectJ to run or maintain any
component except the ones mentioned)... reason it is a commerical open-
source unit testing framework for java and part of the marketing is
all our products are 100% java.

I still can not really see any reason why not to use AspectJ.

Yes - you need to distribute the aspectrt.jar, but most Java apps
require some jars.

Yes - developers will need the AspectJ tools, but they also need
an editor, a Java compiler etc..


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