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require "rack"
class GreetingApp
include Rack::Utils
def call(env)
params = parse_nested_query(env["QUERY_STRING"])
salutation = params[:salutation] || "Hello"
subject = params[:subject] || "world"
message = "#{salutation}, #{subject}"
[
"200 OK",
{ "Content-Type" => "text/plain", "Content-Length" => message.length.to_s },
[message]
]
end
end
class EnvRecorder
def initialize(app)
@app = app
end
def call(env)
@last_env = env
@app.call(env)
end
attr_reader :last_env
end
class UpcaseBody
def initialize(app)
@app = app
end
def call(env)
status, headers, body = @app.call(env)
upcased_body = Array(body).map { |x| x.upcase }
[status, headers, upcased_body]
end
end
|
