class Lumberjack::Logger

def open_device(device, options) # :nodoc:
  if device.nil?
    nil
  elsif device.is_a?(Device)
    device
  elsif device.respond_to?(:write) && device.respond_to?(:flush)
    Device::Writer.new(device, options)
  elsif device == :null
    Device::Null.new
  else
    device = device.to_s
    if options[:roll]
      Device::DateRollingLogFile.new(device, options)
    elsif options[:max_size]
      Device::SizeRollingLogFile.new(device, options)
    else
      Device::LogFile.new(device, options)
    end
  end
end