ShortURLResolver

Resolver.java

    @EventListener(name = "ShortURLResolver", event = "MessageEvent")
    public static void shortUrlResolver(MessageEvent event) throws IOException {
        if (event.getMessage().contains("http://goo.gl")) {
            String googleurllink = "";
            for (String url : pullLinks(event.getMessage())) {
                if (url.startsWith("http://goo.gl/")) {
                    googleurllink = url;
                }
            }
            HttpURLConnection connection = (HttpURLConnection) new URL(googleurllink).openConnection();
            connection.setInstanceFollowRedirects(false);
            connection.connect();
            String redirected = connection.getHeaderField("Location");
            if (redirected.equals(googleurllink)) {
                event.getBot().sendNotice(event.getUser(), "Goo.Gl Failed!");
            }
            event.getChannel().sendMessage("$> " + googleurllink + " > " + redirected);
        }
    }