java.io.FileInputStream#read(byte[]) 阻塞导致没办法继续执行的问题处理

    public static String  sendCmdToFile(String fromFile, String cmd) {
        byte bt[] = new byte[1024];
        int c=0;
        AtomicBoolean isGetCode=new AtomicBoolean(false);
        OutputStream fosto=null;
        try {
            fosto = new FileOutputStream(fromFile);
            LogPrint.d("fosto.write(cmd.getBytes()) "+cmd.getBytes());
            fosto.write(cmd.getBytes());

           Thread mThread= new  Thread(new Runnable() {
                @Override
                public void run() {
                    FileInputStream fosfrom=null ;
                    try {
                        int byteLength=0;
                        byte temp[] = new byte[100];
                        int len=0;
                        fosfrom = new FileInputStream(fromFile);
                        isGetCode.set(false);
                        while(-1!=(len =fosfrom.read(temp))){

                            System.arraycopy(temp,0,bt,byteLength,len);
                            byteLength=+len;
                        }
                        LogPrint.d(" fosfrom.read "+DataTypeChangeUtil.getByteBylength(bt,byteLength));
                        if(fosfrom!=null) {
                            fosfrom.close();
                        }
                        //Thread.sleep(50);
                        isGetCode.set(true);
                    } catch (ClosedByInterruptException e) {
                        LogPrint.d(" fosfrom.read  ee "+e.getMessage().toString());
                       if(fosfrom!=null){
                           try {
                               fosfrom.close();
                           } catch (IOException ioException) {
                               ioException.printStackTrace();
                           }
                       }
                        e.printStackTrace();
                    } catch (FileNotFoundException e) {
                        e.printStackTrace();
                    } catch (IOException e) {
                        e.printStackTrace();
                    }
                }
            });
            mThread.start();
            try {
                mThread.join(30); //等待30毫秒
                if(!isGetCode.get()){
                    mThread.interrupt(); //如果线程阻塞，会报异常
                   throw new IOException();
                }
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            LogPrint.d("fosto.read(cmd.getBytes()) ok");

            if(fosto!=null) {
                fosto.close();
            }
            return "ok";

        } catch (IOException ex) {
            LogPrint.d("IOException fosto "+ex.getMessage());
            if(fosto!=null) {
                try {
                    fosto.close();
                } catch (IOException e) {
                    e.printStackTrace();
                    return "";
                }
            }
            return "";
        }
    }