class Sinatra::Base

def call!(env) # :nodoc:

:nodoc: 
def call!(env) # :nodoc:
  @env      = env
  @params   = IndifferentHash.new
  @request  = Request.new(env)
  @response = Response.new
  template_cache.clear if settings.reload_templates
  @response['Content-Type'] = nil
  invoke { dispatch! }
  invoke { error_block!(response.status) } unless @env['sinatra.error']
  unless @response['Content-Type']
    if Array === body and body[0].respond_to? :content_type
      content_type body[0].content_type
    else
      content_type :html
    end
  end
  @response.finish
end