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我有一个SwingWorker应该依次执行3个方法的方法。方法 1 包含一个用于 a 的 while 循环BufferedReader。这个 while 循环永远不会终止,因为BufferedReader永远不会发出结束信号。我想在 5 秒后使用某种计时器终止循环。我该怎么做呢?

    public class TestWorker extends SwingWorker<Void,Void>{
        public TestWorker(){
        }

        private void doSomething1(){
            TelnetClient telnetClient
            telnetClient = new TelnetClient();
            telnetClient.connect(telnet_IPAddress, telnet_Port);

            InputStream telnetInputStream = telnetClient.getInputStream();

            try (BufferedReader br = new BufferedReader(new InputStreamReader(telnetInputStream))) {
                String line;
                while ((line = br.readLine()) != null) {
                    //Do something
                    //The bufferedreader is not signaled with an end of a stream. I want to terminate this loop after 5 seconds.
                }
            } catch (IOException ex) {
            }
        }

        private void doSomething2(){
        }

        private void doSomething3(){
        }

        @Override
        public Void doInBackground() {
            doSomething1();
            doSomething2();
            doSomething3();
            return null;
        }

        @Override
        public void done() {
            //Update something on a GUI
        }
    }
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