shutdown transfer server

    @Override
    public void run() {

        if (this.createSocket(this.config.getInt("tcp.port")) == -1) {
            //System.exit(0); //error abort program -- working on it (close resources etc)
            this.shutdown();
        }
        TransferListenerThread trans = new TransferListenerThread(this.serverSocket);
        trans.start();

        BufferedReader in = new BufferedReader (new InputStreamReader (instream));


        while (true) {
            try {
                if (in.readLine().equalsIgnoreCase("shutdown")) {
                    trans.shutdown();
                    this.shutdown();
                }
            } catch (IOException ex) {
                Logger.getLogger(TransferServer.class.getName()).log(Level.SEVERE, null, ex);
            }
        }

    }

    @Override
    public void shutdown() {
        try {
            this.printsream.close();
            this.instream.close();
          //  System.exit(0);
        } catch (IOException ex) {
            Logger.getLogger(TransferServer.class.getName()).log(Level.SEVERE, null, ex);
        }

    }