Contents

require 'json'
require 'oj'

module TwitterFriendly
  class Serializer
    class << self
      def encode(obj, args:)
        Instrumenter.perform_encode(args: args) do
          (!!obj == obj) ? obj : coder.encode(obj)
        end
      end

      def decode(str, args:)
        Instrumenter.perform_decode(args: args) do
          str.kind_of?(String) ? coder.decode(str) : str
        end
      end

      def coder
        @@coder ||= Coder.instance
      end

      def coder=(coder)
        @@coder = Coder.instance(coder)
      end
    end

    private

    module Instrumenter

      module_function

      def perform_encode(args:, &block)
        payload = {operation: 'encode', args: args}
        ::ActiveSupport::Notifications.instrument('encode.twitter_friendly', payload) { yield(payload) }
      end

      def perform_decode(args:, &block)
        payload = {operation: 'decode', args: args}
        ::ActiveSupport::Notifications.instrument('decode.twitter_friendly', payload) { yield(payload) }
      end
    end

    class Coder
      def initialize(coder)
        @coder = coder
      end

      def encode(obj)
        @coder.dump(obj)
      end

      def self.instance(coder = nil)
        if coder.nil? && defined?(Oj)
          OjCoder.new(Oj)
        else
          JsonCoder.new(coder)
        end
      end
    end

    class JsonCoder < Coder
      def decode(str)
        @coder.parse(str, symbolize_names: true)
      end
    end

    class OjCoder < Coder
      def encode(obj)
        @coder.dump(obj, mode: :compat)
      end

      def decode(str)
        @coder.load(str, symbol_keys: true, mode: :compat)
      end
    end
  end
end

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
twitter_friendly-2.0.1.pre.alpha	lib/twitter_friendly/serializer.rb
twitter_friendly-2.0.0.pre.alpha	lib/twitter_friendly/serializer.rb
twitter_friendly-1.2.3	lib/twitter_friendly/serializer.rb