notifier.rb

require "uri"
require "yajl/http_stream"
require "terminal-notifier"
require "celluloid"

class Stream
  include Celluloid

  def initialize(room, token)
    @room = room
    @token = token
    start!
  end

  def start
    regexp = Regexp.new('julien', true)

    Yajl::HttpStream.get(self.url) do |message|
      puts message.inspect
      if message['body'] && message['body'].match(regexp)
        TerminalNotifier.notify(message['body'], :title => 'Campfire')
      end
    end
  end

  def url
    @url = URI.parse("http://#{@token}:x@streaming.campfirenow.com/room/#{@room}/live.json")
  end
end

token = TOKEN
room_ids = [1,2]

room_ids.each do |room_id|
  puts "- Listening room #{room_id}"
  stream = Stream.new(room_id, token)
end