Class: Rack::Blank

Inherits:
Object
  • Object
show all
Defined in:
lib/rack/blank.rb,
lib/rack/blank/version.rb

Constant Summary collapse

VERSION =
"0.1.1"

Instance Method Summary collapse

Constructor Details

#initialize(app, options = {}) ⇒ Blank

Returns a new instance of Blank.



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# File 'lib/rack/blank.rb', line 7

def initialize(app, options = {})
  @app  = app
  @path = options[:path] || '/blank'
end

Instance Method Details

#call(env) ⇒ Object



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# File 'lib/rack/blank.rb', line 12

def call(env)
  request_path = "#{::File.dirname(env['PATH_INFO'])}/#{::File.basename(env['PATH_INFO'], '.*')}"
  request_ext  = ::File.extname(env['PATH_INFO'])
  if request_path == @path
    body = ''
    content_type = 'text/plain'
    if env['CONTENT_TYPE'] == 'application/json' || request_ext == '.json'
      body = JSON.generate({})
      content_type = 'application/json'
    end
    headers = {
      "Content-Length" => body.bytesize.to_s,
      "Content-Type" => content_type
    }
    return [200, headers, [body]]
  end
  return @app.call(env)
end