Brandon Savage has posted the fifth part of his "Peer Review" series where he's taken a sample application and worked it over - refactoring, updated to meeting coding standards and abstracting out interfaces to simplify the code. In this latest article he looks at a method to improve the business logic behind the scenes.

So far, we’ve done quite a bit of work on our Twitter class, making it better. There’s still work to be done, though, especially improving the logic. The Twitter class we have now has a number of logical flaws in it that we need to address. Additionally, there are some logical flaws that we started with that I want to highlight, even though we’ve already fixed them. Let’s get started with those.

He looks at a few things like setting the host name as a property, using the return of the HTTP request and handling exceptions (like when Twitter's down). The resulting code is included.