// AspectJ allows privileged aspects, but you can also use aspectJ to stop a
// regular java program from accessing private elements using reflection...

import java.lang.reflect.AccessibleObject;

aspect privateguard
{
    before(Object a): call(public void AccessibleObject+.setAccessible(..)) && target(a)
	{
            throw new Error("Motherhacker is trying to use reflection to access "+a);
	}
}

// Compile with any java source: ajc -8 blah.java privateguard.java.
// Generated .class file will always deny setAccessible.  -8 sets jdk1.8
// compatibility for ajc