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Versions: 33
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Contents
# frozen_string_literal: true
require_relative 'json/builder'
require_relative 'json/error_handler'
require_relative 'json/handler'
require_relative 'json/parser'
module Aws
# @api private
module Json
class ParseError < StandardError
def initialize(error)
@error = error
super(error.message)
end
attr_reader :error
end
class << self
# @param [Symbol,Class] engine
# Must be one of the following values:
#
# * :oj
# * :json
#
def engine=(engine)
@engine = Class === engine ? engine : load_engine(engine)
end
# @return [Class] Returns the default engine.
# One of:
#
# * {OjEngine}
# * {JsonEngine}
#
def engine
set_default_engine unless @engine
@engine
end
def load(json)
@engine.load(json)
end
def dump(value)
@engine.dump(value)
end
def set_default_engine
[:oj, :json].each do |name|
@engine ||= try_load_engine(name)
end
unless @engine
raise 'Unable to find a compatible json library. ' \
'Ensure that you have installed or added to your Gemfile one of ' \
'oj or json'
end
end
private
def load_engine(name)
require "aws-sdk-core/json/#{name}_engine"
const_name = name[0].upcase + name[1..-1] + 'Engine'
const_get(const_name)
end
def try_load_engine(name)
load_engine(name)
rescue LoadError
false
end
end
set_default_engine
end
end
Version data entries
33 entries across 33 versions & 1 rubygems