class Aws::Record::Marshalers::DateTimeMarshaler

def _format(raw_value)
  case raw_value
  when nil, ''
    nil
  when ::DateTime
    raw_value
  when Integer # timestamp
    ::DateTime.parse(Time.at(raw_value).to_s)
  else # Time, Date or String
    ::DateTime.parse(raw_value.to_s)
  end
end

def initialize(opts = {})
  @formatter = opts[:formatter] || Iso8601Formatter
  @use_local_time = opts[:use_local_time] ? true : false
end

def serialize(raw_value)
  datetime = type_cast(raw_value)
  if datetime.nil?
    nil
  elsif datetime.is_a?(::DateTime)
    @formatter.format(datetime)
  else
    msg = "expected a DateTime value or nil, got #{datetime.class}"
    raise ArgumentError, msg
  end
end

def type_cast(raw_value)
  value = _format(raw_value)
  if !@use_local_time && value.is_a?(::DateTime)
    value.new_offset(0)
  else
    value
  end
end