server.rb: support multiple hostnames for fake-s3 server

lib/fakes3/server.rb

@@ -44,12 +44,14 @@ def inspect
   end
 
   class Servlet < WEBrick::HTTPServlet::AbstractServlet
-    def initialize(server,store,hostname)
+    def initialize(server,store,hostnames)
       super(server)
       @store = store
       @hostname = hostname
       @port = server.config[:Port]
-      @root_hostnames = [hostname,'localhost','s3.amazonaws.com','s3.localhost']
+      @root_hostnames = ['localhost','s3.amazonaws.com','s3.localhost']
+      extra_hostnames = Array(hostnames)
+      @root_hostnames << extra_hostnames
     end
 
     def validate_request(request)
@@ -505,11 +507,11 @@ def dump_request(request)
 
 
   class Server
-    def initialize(address,port,store,hostname,ssl_cert_path,ssl_key_path)
+    def initialize(address,port,store,hostnames,ssl_cert_path,ssl_key_path)
       @address = address
       @port = port
       @store = store
-      @hostname = hostname
+      @hostnames = hostnames
       @ssl_cert_path = ssl_cert_path
       @ssl_key_path = ssl_key_path
       webrick_config = {
@@ -529,7 +531,7 @@ def initialize(address,port,store,hostname,ssl_cert_path,ssl_key_path)
     end
 
     def serve
-      @server.mount "/", Servlet, @store,@hostname
+      @server.mount "/", Servlet, @store, @hostnames
       trap "INT" do @server.shutdown end
       @server.start
     end