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require 'active_support/core_ext/module/attribute_accessors'
require 'active_support/core_ext/module/delegation'
require 'multi_json'
module ActiveSupport
# Look for and parse json strings that look like ISO 8601 times.
mattr_accessor :parse_json_times
module JSON
class << self
def decode(json, options ={})
# Can't reliably detect whether MultiJson responds to load, since it's
# a reserved word. Use adapter as a proxy for new features.
data = if MultiJson.respond_to?(:adapter)
MultiJson.load(json, options)
else
MultiJson.decode(json, options)
end
if ActiveSupport.parse_json_times
convert_dates_from(data)
else
data
end
end
def engine
if MultiJson.respond_to?(:adapter)
MultiJson.adapter
else
MultiJson.engine
end
end
alias :backend :engine
def engine=(name)
if MultiJson.respond_to?(:use)
MultiJson.use name
else
MultiJson.engine = name
end
end
alias :backend= :engine=
def with_backend(name)
old_backend, self.backend = backend, name
yield
ensure
self.backend = old_backend
end
def parse_error
MultiJson::DecodeError
end
private
def convert_dates_from(data)
case data
when nil
nil
when DATE_REGEX
begin
DateTime.parse(data)
rescue ArgumentError
data
end
when Array
data.map! { |d| convert_dates_from(d) }
when Hash
data.each do |key, value|
data[key] = convert_dates_from(value)
end
else
data
end
end
end
end
end
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