Class: Rack::ContentType

Inherits:
Object
  • Object
show all
Includes:
Utils
Defined in:
lib/rack/content_type.rb

Overview

Sets the Content-Type header on responses which don’t have one.

Builder Usage:

use Rack::ContentType, "text/plain"

When no content type argument is provided, “text/html” is assumed.

Constant Summary

Constants included from Utils

Utils::DEFAULT_SEP, Utils::ESCAPE_HTML, Utils::ESCAPE_HTML_PATTERN, Utils::HTTP_STATUS_CODES, Utils::Multipart, Utils::PATH_SEPS, Utils::STATUS_WITH_NO_ENTITY_BODY, Utils::SYMBOL_TO_STATUS_CODE

Instance Method Summary collapse

Methods included from Utils

best_q_match, build_nested_query, build_query, byte_ranges, bytesize, clean_path_info, delete_cookie_header!, escape, escape_html, escape_path, normalize_params, params_hash_type?, parse_nested_query, parse_query, q_values, rfc2109, rfc2822, secure_compare, select_best_encoding, set_cookie_header!, status_code, unescape

Constructor Details

#initialize(app, content_type = "text/html") ⇒ ContentType

Returns a new instance of ContentType.



14
15
16
 
# File 'lib/rack/content_type.rb', line 14

def initialize(app, content_type = "text/html")
  @app, @content_type = app, content_type
end

Instance Method Details

#call(env) ⇒ Object 



18
19
20
21
22
23
24
25
26
27
 
# File 'lib/rack/content_type.rb', line 18

def call(env)
  status, headers, body = @app.call(env)
  headers = Utils::HeaderHash.new(headers)

  unless STATUS_WITH_NO_ENTITY_BODY.include?(status)
    headers[CONTENT_TYPE] ||= @content_type
  end

  [status, headers, body]
end