wcc526/ruby_adapter.md

## ruby_adapter.md

      
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              ruby_adapter.md
            
          
    Example from http://www.takadevelop.com/2013/05/03/adapter-pattern-in-ruby/

Adapter Design Pattern

Abstract Duck

class Duck
def quack
end
def fly
end
end
Abstrack Turkey

class Turkey
def gobble
end
def fly
end
end
Weird Duck

class WeirdDuck < Duck# Adaptee
def quack
"quack"
end
def fly
"I'm flying"
end
end
Wild Turkey

class WildTurkey < Turkey
def gobble
"Gobble Gobble"
end
def fly
"I'm flying a short distance"
end
end
Turkey to Duck Adapter

class TurkeyToDuckAdapter # < Duck
attr_reader :turkey
def initialize(turkey)
@turkey = turkey
end
def quack
@turkey.gobble
end
def fly
@turkey.fly
end
end
wildturkey = WildTurkey.new
duck_like_turkey = TurkeyToDuckAdapter.new(wildturkey)
puts duck_like_turkey.quack
puts duck_like_turkey.fly