In a response to a recent post on DZone.com about the "Open/Closed Principle" Josh Adell has posted an example of a " flexible and extendable command invocation solution" implementing this SOLID idea.
Let's overcome some of these issues [with only being able to extend the invoker class and that the invoker needs to know how to create commands], and also make the code even more extensible.
I'll use a simplified command invoker to demonstrate. ...
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