class Document
attr_reader :title, :text
attr_accessor :formatter
def initialize(formatter)
@title = 'Your Document'
@text = ['Things are going', 'really, really well.']
@formatter = formatter
end
def output_report()
@formatter.output_report(self)
end
end
class HTMLFormatter
def output_report(context)
puts('')
puts(' ')
puts(" #{context.title} ")
puts(' ')
puts(' ')
context.text.each do |line|
puts(" #{line}
")
end
puts(' ')
puts('')
end
end
class PlainTextFormatter
def output_report(context)
puts("#{context.title}")
context.text.each do |line|
puts(line)
end
end
end