def call(env)
      status       = env["PATH_INFO"][1..-1]
      request      = ActionDispatch::Request.new(env)
      content_type = request.formats.first
      body         = {  status: status,
                        error: Rack::Utils::HTTP_STATUS_CODES.fetch(status.to_i, Rack::Utils::HTTP_STATUS_CODES[500]) }

      Errdo::Exception.new(env) if Errdo.log404 || status.to_i != 404
      render(status, content_type, body)
    end
def call(env)
      status       = env["PATH_INFO"][1..-1]
      request      = ActionDispatch::Request.new(env)
      content_type = request.formats.first
      body         = {  status: status,
                        error: Rack::Utils::HTTP_STATUS_CODES.fetch(status.to_i, Rack::Utils::HTTP_STATUS_CODES[500]) }

      Errdo::Exception.new(env) if Errdo.log404 || status.to_i != 404
      render(status, content_type, body)
    end
attr_accessor :public_path
 def initialize(public_path)
   super
 end