ExtractClass

You have one class doing work that should be done by two.

Therefore, Create a new class and move the relevant fields and methods from the old class into the new class.

c.f. MartinFowler's RefactoringImprovingTheDesignOfExistingCode, pg. 149.

http://www.refactoring.com/catalog/extractClass.html

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[CategoryRefactoring]