Class: ActionDispatch::Http::Headers

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
actionpack/lib/action_dispatch/http/headers.rb

Constant Summary collapse

CGI_VARIABLES =
%w(
CONTENT_TYPE CONTENT_LENGTH
HTTPS AUTH_TYPE GATEWAY_INTERFACE
PATH_INFO PATH_TRANSLATED QUERY_STRING
REMOTE_ADDR REMOTE_HOST REMOTE_IDENT REMOTE_USER
REQUEST_METHOD SCRIPT_NAME
SERVER_NAME SERVER_PORT SERVER_PROTOCOL SERVER_SOFTWARE
HTTP_HEADER =
/\A[A-Za-z0-9-]+\z/

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Enumerable

#as_json, #exclude?, #index_by, #many?, #sum

Constructor Details

#initialize(env = {}) ⇒ Headers

Returns a new instance of Headers


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# File 'actionpack/lib/action_dispatch/http/headers.rb', line 17

def initialize(env = {})
  @env = env
end

Instance Attribute Details

#envObject (readonly)

Returns the value of attribute env


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# File 'actionpack/lib/action_dispatch/http/headers.rb', line 15

def env
  @env
end

Instance Method Details

#[](key) ⇒ Object


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# File 'actionpack/lib/action_dispatch/http/headers.rb', line 21

def [](key)
  @env[env_name(key)]
end

#[]=(key, value) ⇒ Object


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# File 'actionpack/lib/action_dispatch/http/headers.rb', line 25

def []=(key, value)
  @env[env_name(key)] = value
end

#each(&block) ⇒ Object


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# File 'actionpack/lib/action_dispatch/http/headers.rb', line 36

def each(&block)
  @env.each(&block)
end

#fetch(key, *args, &block) ⇒ Object


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# File 'actionpack/lib/action_dispatch/http/headers.rb', line 32

def fetch(key, *args, &block)
  @env.fetch env_name(key), *args, &block
end

#key?(key) ⇒ Boolean Also known as: include?

Returns:

  • (Boolean)

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# File 'actionpack/lib/action_dispatch/http/headers.rb', line 29

def key?(key); @env.key? key; end

#merge(headers_or_env) ⇒ Object


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# File 'actionpack/lib/action_dispatch/http/headers.rb', line 40

def merge(headers_or_env)
  headers = Http::Headers.new(env.dup)
  headers.merge!(headers_or_env)
  headers
end

#merge!(headers_or_env) ⇒ Object


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# File 'actionpack/lib/action_dispatch/http/headers.rb', line 46

def merge!(headers_or_env)
  headers_or_env.each do |key, value|
    self[env_name(key)] = value
  end
end