new_importer_style.rb

class Puller
  def initialize(handler)
    @handler = handler
  end
  
  def run
    @handler.organization("DOE")
    @handler.organization("NASA")
    @handler.source("California Earthquakes")
    @handler.source("Hawaii Earthquakes")
    @handler.source("OMB Budget Estimates")
  end
end

# the internals of the importer framework
class Handler
  def initialize
    puts "Handler initialized"
  end
  
  def source(x)
    puts "Source found : #{x.inspect}"
  end
  
  def organization(x)
    puts "Organization found : #{x.inspect}"
  end
end

handler = Handler.new
puller = Puller.new(handler)
puller.run