def on_complete(env)
case env[:status].to_i
when 400
raise Twitter::Error::BadRequest.new(error_body(env[:body]), env[:response_headers])
when 401
raise Twitter::Error::Unauthorized.new(error_body(env[:body]), env[:response_headers])
when 403
raise Twitter::Error::Forbidden.new(error_body(env[:body]), env[:response_headers])
when 404
raise Twitter::Error::NotFound.new(error_body(env[:body]), env[:response_headers])
when 406
raise Twitter::Error::NotAcceptable.new(error_body(env[:body]), env[:response_headers])
when 420
raise Twitter::Error::EnhanceYourCalm.new(error_body(env[:body]), env[:response_headers])
end
end