Class: Zero::Response

Inherits:
Object
  • Object
show all
Defined in:
lib/zero/response.rb

Overview

This is the representation of a response

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Response

Constructor Sets default status code to 200.



12
13
14
15
16
 
# File 'lib/zero/response.rb', line 12

def initialize
  @status = 200
  @header = {}
  @body   = []
end

Instance Attribute Details

#body ⇒ Object

Returns the value of attribute body.



7
8
9
 
# File 'lib/zero/response.rb', line 7

def body
  @body
end

#header ⇒ Object

Returns the value of attribute header.



7
8
9
 
# File 'lib/zero/response.rb', line 7

def header
  @header
end

#status ⇒ Object

Returns the value of attribute status.



6
7
8
 
# File 'lib/zero/response.rb', line 6

def status
  @status
end

Instance Method Details

#content_length ⇒ Object

Sets the content length header to the current length of the body Also creates one, if it does not exists



57
58
59
 
# File 'lib/zero/response.rb', line 57

def content_length
  self.header['Content-Length'] = body.join.bytesize.to_s
end

#content_type=(value) ⇒ Object

Sets the content type header to the given value Also creates it, if it does not exists

Parameters:

  • value (String) —

    Content-Type tp set



66
67
68
 
# File 'lib/zero/response.rb', line 66

def content_type=(value)
  self.header['Content-Type'] = value
end

#redirect(location, status = 302) ⇒ Object

Sets the Location header to the given URL and the status code to 302.

Parameters:

  • location (String) —

    Redirect URL



74
75
76
77
 
# File 'lib/zero/response.rb', line 74

def redirect(location, status = 302)
  self.status = status
  self.header['Location'] = location
end

#to_a ⇒ Array

Returns the data of the response as an array:

status, header, body

to be usable by any webserver.

Sets the Content-Type to ‘text/html’, if it’s not already set. Sets the Content-Length, if it’s not already set. (Won’t fix wrong lengths!) Removes Content-Type, Content-Length and body on status code 204 and 304.

Returns:

  • (Array) —

    Usable by webservers



38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
 
# File 'lib/zero/response.rb', line 38

def to_a
  # Remove content length and body, on status 204 and 304
  if status == 204 or status == 304
    header.delete('Content-Length')
    header.delete('Content-Type')
    self.body = []
  else
    # Set content length, if not already set
    content_length unless header.has_key? 'Content-Length'
    # Set content type, if not already set
    self.content_type = 'text/html' unless header.has_key? 'Content-Type'
  end

  [status, header, body]
end