Support easy subdomains instead of full uris

README.rdoc

@@ -25,7 +25,7 @@ default, on other rubies it will try for yajl, then for json.
     keychain = OSXKeychain.new                # optional part of example
     token = keychain['campfire', ENV['USER']] # optional part of example
 
-    room = MicroFire.new 'https://raggi.campfirenow.com', token, 'ragville'
+    room = MicroFire.new 'raggi', token, 'ragville'
     room.join
     room.speak 'OHAI THERE'
     room.watch do |event|

lib/micro_fire.rb

@@ -30,7 +30,6 @@ class << self
   def initialize uri, token, room
     @stream = self.class.stream
     @json   = self.class.json
-    @uri    = URI.parse uri
     @token  = token
     @http   = Net::HTTP::Persistent.new
     # Don't do anything if not supported by net/http/persistent version or
@@ -39,7 +38,8 @@ def initialize uri, token, room
       @http.socket_options << [Socket::SOL_SOCKET, Socket::SO_KEEPALIVE, 1]
     end
     @pass   = 'x'
-    @room   = find_room(room)
+    @uri    = find_uri uri
+    @room   = find_room room
   end
 
   def join &block
@@ -65,6 +65,14 @@ def find_room room
     res ? res["id"].to_i : raise("Could not find room by #{room}")
   end
 
+  def find_uri uri
+    if uri =~ %r{https?://.*\..*}
+      URI.parse uri
+    else
+      URI.parse "https://#{uri}.campfirenow.com"
+    end
+  end
+
   def action action
     "/room/#{room}/#{action}.json"
   end