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::COMMON_SEP, Utils::DEFAULT_SEP, Utils::ESCAPE_HTML, Utils::ESCAPE_HTML_PATTERN, Utils::HTTP_STATUS_CODES, Utils::InvalidParameterError, Utils::KeySpaceConstrainedParams, Utils::NULL_BYTE, Utils::PATH_SEPS, Utils::ParameterTypeError, Utils::STATUS_WITH_NO_ENTITY_BODY, Utils::SYMBOL_TO_STATUS_CODE

Instance Method Summary collapse

Methods included from Utils

add_cookie_to_header, add_remove_cookie_to_header, best_q_match, build_nested_query, build_query, byte_ranges, clean_path_info, clock_time, delete_cookie_header!, escape, escape_html, escape_path, get_byte_ranges, key_space_limit, key_space_limit=, make_delete_cookie_header, param_depth_limit, param_depth_limit=, parse_cookies, parse_cookies_header, parse_nested_query, parse_query, q_values, rfc2109, rfc2822, secure_compare, select_best_encoding, set_cookie_header!, status_code, unescape, unescape_path, valid_path?

Constructor Details

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

Returns a new instance of ContentType.



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# 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 



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# 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