DouKaku?

importPackage(java.net);
importPackage(java.io);

(function doukaku113(prox, timeout, port){ port || (port = 8080);
  prox = new Proxy(Proxy.Type.HTTP, new InetSocketAddress(prox, port));
  with(new URL('http://ja.doukaku.org/feeds/comments/').openConnection(prox)) try{
    setConnectTimeout(timeout);
    setReadTimeout(timeout);
    connect();
    with(new BufferedReader(new InputStreamReader(getInputStream(), 'UTF-8')))
      for(var b; b = readLine();) print(b);
  } catch(e){ print(e) }
  return arguments.callee;
})(
  'localhost', 1000
  // => <?xml version="1.0" ...
)(
  'localhost', 100
  // => JavaException: java.net.SocketTimeoutException: Read timed out
);