require 'jrjackson' unless defined?(::JrJackson) require 'multi_json/adapter' module MultiJson module Adapters # Use the jrjackson.rb library to dump/load. class JrJackson < Adapter ParseError = ::JrJackson::ParseError def load(string, options = {}) #:nodoc: ::JrJackson::Json.load(string, options) end if ::JrJackson::Json.method(:dump).arity == 1 def dump(object, _) ::JrJackson::Json.dump(object) end else def dump(object, options = {}) ::JrJackson::Json.dump(object, options) end end end end end