module Rack::Request::Env

Attributes

The environment of the request.

Public Class Methods

Calls superclass method

# File lib/rack/request.rb, line 50
def initialize(env)
  @env = env
  super()
end

Public Instance Methods

add_header (key, v)

Add a header that may have multiple values.

Example:

request.add_header 'Accept', 'image/png'
request.add_header 'Accept', '*/*'

assert_equal 'image/png,*/*', request.get_header('Accept')

www.w3.org/Protocols/rfc2616/rfc2616-sec4.html#sec4.2

# File lib/rack/request.rb, line 91
def add_header(key, v)
  if v.nil?
    get_header key
  elsif has_header? key
    set_header key, "#{get_header key},#{v}"
  else
    set_header key, v
  end
end

delete_header (name)

Delete a request specific value for ‘name`.

# File lib/rack/request.rb, line 102
def delete_header(name)
  @env.delete name
end

each_header (&block)

Loops through each key / value pair in the request specific data.

# File lib/rack/request.rb, line 73
def each_header(&block)
  @env.each(&block)
end

fetch_header (name, &block)

If a block is given, it yields to the block if the value hasn’t been set on the request.

# File lib/rack/request.rb, line 68
def fetch_header(name, &block)
  @env.fetch(name, &block)
end

get_header (name)

Get a request specific value for ‘name`.

# File lib/rack/request.rb, line 62
def get_header(name)
  @env[name]
end

has_header? (name)

Predicate method to test to see if ‘name` has been set as request specific data

# File lib/rack/request.rb, line 57
def has_header?(name)
  @env.key? name
end

initialize_copy (other)

# File lib/rack/request.rb, line 106
def initialize_copy(other)
  @env = other.env.dup
end

set_header (name, v)

Set a request specific value for ‘name` to `v`

# File lib/rack/request.rb, line 78
def set_header(name, v)
  @env[name] = v
end