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I’d like to learn how, or if its possible at all to programmaticly interact with a black-box java application(by reading its data). Has there been any previous research/work on doing this sort of thing?
I’d imagine that running on a JVM significantly complicates things.
@anon: Doing this with any JVM is relevant. Do you have to know or control the specifics of how the JVM allocates memory to extract data from a java application?
You could look into java.lang.instrument. As long as you understand the class structure of the application, it will let you modify the methods in an already-running JVM and you may be able to concoct a way that allows you to extract or insert data enough to communicate (depends on the methods available, of course).