class HttpRefreshServlet < WEBrick::HTTPServlet::AbstractServlet def do_GET(req, res) res['Content-Type'] = req.query['ct'] || "text/html" refresh_time = req.query['refresh_time'] || 0 refresh_url = req.query['refresh_url'] || '/' res['Refresh'] = " #{refresh_time};url=#{refresh_url}"; end end