`class Response`

A basic content response, including useful defaults for typical HTML5 content.

Definitions

`def initialize`

Initialize an empty successful HTML response.

Implementation

def initialize
	@status = 200
	@headers = {}
	@body = []
	
	# The default content type:
	self.content_type = "text/html; charset=utf-8"
end

`def content`

Join the response body into rendered content.

Signature

returns　String: The rendered content.

Implementation

def content
	@body.join
end

`def lookup(tag)`

Decline tag lookup by default.

Signature

parameter　tag　Object: The tag.
returns　Nil: No tag is resolved.

Implementation

def lookup(tag)
	return nil
end

`def to_a`

Convert this value to a Rack response tuple.

Signature

returns　Array: The status, headers, and body.

Implementation

def to_a
	[@status, @headers, @body]
end

`def do_not_cache!`

Specifies that the content shouldn't be cached. Overrides cache! if already called.

Implementation

def do_not_cache!
	@headers[CACHE_CONTROL] = "no-cache, must-revalidate"
	@headers[EXPIRES] = Time.now.httpdate
end

`def cache!(duration = 3600, access: "public")`

Specify that the content could be cached.

Implementation

def cache!(duration = 3600, access: "public")
	unless cache_control = @headers[CACHE_CONTROL] and cache_control.include?(NO_CACHE)
		@headers[CACHE_CONTROL] = "#{access}, max-age=#{duration}"
		@headers[EXPIRES] = (Time.now + duration).httpdate
	end
end

`def content_type=(value)`

Specify the content type of the response data.

Implementation

def content_type= value
	@headers[CONTENT_TYPE] = value
end