Automatic Updater & Downloader of updates for TheAPI (Bukkit version)

# AUTOMATIC UPDATER & DOWNLOADER OF THEAPI
# Our discord: https://discord.gg/8YtfC234dA

public static void downloadAndUpdate() {
    if(Bukkit.getPluginManager().getPlugin("TheAPI")==null) {
        try {
            HttpURLConnection conn = (HttpURLConnection)new URL("https://api.spiget.org/v2/resources/72679/download").openConnection();
            conn.setRequestProperty("User-Agent", "DevTec-JavaClient");
            conn.setRequestProperty("Accept-Encoding", "gzip");
            conn.setRequestMethod("GET");
            conn.setConnectTimeout(20000);
            conn.setReadTimeout(20000);
            conn.connect();
            File f = new File("plugins/TheAPI.jar");
            if(!f.exists()) {
                f.getParentFile().mkdirs();
                f.createNewFile();
            }
            ReadableByteChannel rbc = Channels.newChannel(conn.getInputStream());
            FileOutputStream fos = new FileOutputStream(f);
            fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE);
            fos.close();
            rbc.close();
            //load TheAPI
            File file = new File("plugins/TheAPI.jar");
            Bukkit.getPluginManager().enablePlugin(Bukkit.getPluginManager().loadPlugin(file));
        }catch(Exception e) {

        }
    } //else download update if needed
    else {
        try {
            if(new SpigotUpdateChecker(Bukkit.getPluginManager().getPlugin("TheAPI").getDescription().getVersion(), 72679).checkForUpdates()==Version.NEW) {
                try {
                    HttpURLConnection conn = (HttpURLConnection)new URL("https://api.spiget.org/v2/resources/72679/download").openConnection();
                    conn.setRequestProperty("User-Agent", "DevTec-JavaClient");
                    conn.setRequestProperty("Accept-Encoding", "gzip");
                    conn.setRequestMethod("GET");
                    conn.setConnectTimeout(20000);
                    conn.setReadTimeout(20000);
                    conn.connect();
                    File f = new File("plugins/update/TheAPI.jar");
                    if(!f.exists()) {
                        f.getParentFile().mkdirs();
                        f.createNewFile();
                    }
                    ReadableByteChannel rbc = Channels.newChannel(conn.getInputStream());
                    FileOutputStream fos = new FileOutputStream(f);
                    fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE);
                    fos.close();
                    rbc.close();
                }catch(Exception e) {

                }
            }
        }catch(Exception e) {

        }
    }
}

public static String fromStream(InputStream stream) {
    try {
        BufferedReader br = new BufferedReader(new InputStreamReader(stream, StandardCharsets.UTF_8), 8192);
        StringBuilder sb = new StringBuilder(512);
        String content;
        while ((content = br.readLine()) != null)
            sb.append(content).append(System.lineSeparator());
        br.close();
        return sb.toString();
    } catch (Exception e) {
        return null;
    }
}