Class: Rack::Apocalypse404

Inherits:
Object
  • Object
show all
Defined in:
lib/apocalypse-404/middleware.rb

Instance Method Summary collapse

Constructor Details

#initialize(app) ⇒ Apocalypse404

Returns a new instance of Apocalypse404.



4
5
6
# File 'lib/apocalypse-404/middleware.rb', line 4

def initialize(app)
  @app = app
end

Instance Method Details

#call(env) ⇒ Object



8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
# File 'lib/apocalypse-404/middleware.rb', line 8

def call(env)
  status, headers, response = @app.call(env)

  if status.to_i > 400        
    puts " -- #{status} -- Redirecting to apocalyptic message...."

    spec = Gem::Specification.find_by_name("apocalypse-404")
    filename = File.join( spec.gem_dir, 'lib', 'html' ) + "/404.html"
    response = [File.read( filename ).gsub!(/!!MESSAGE/, status.to_s )]

    headers = { "Content-Length" => response[0].length.to_s, 
                "Content-Type" => 'text/html;charset=utf-8' }
  end

  [ status, headers, response ]
end