title: How to convert this simple factory to factory method?
body: <p>I've asked a question "Is this correct factory method pattern?" <a href="https://stackoverflow.com/questions/7976974/is-this-correct-factory-method-pattern">Is this correct factory method pattern?</a></p>
  
  <p>and..then...asked the same question on codereview.stackexchange.com accoriding to a commenter's advice. <a href="https://codereview.stackexchange.com/questions/5752/is-this-correct-factory-method-pattern">https://codereview.stackexchange.com/questions/5752/is-this-correct-factory-method-pattern</a></p>
  
  <p>So...three people said..my code is a factory method, but a user pointed out that my code is actually a simple factory.</p>
  
  <p>As I keep reading other examples over the web, I start thinking that my code is actually a simple factory.</p>
  
  <p>My code:</p>
  
  <p><a href="https://codereview.stackexchange.com/questions/5752/is-this-correct-factory-method-pattern">https://codereview.stackexchange.com/questions/5752/is-this-correct-factory-method-pattern</a></p>
  
  <p>How do I convert my code into a factory method pattern?</p>