Java

try {
    (new Thread(new Lettore(port), "Lettore")).start();
} catch (Exception e) {
    System.err.println("Errore " + e);
}

    SerialPort port;

    public Lettore(SerialPort port) throws IOException {
        this.port = port;
    }

    @Override
    public void run() {
        byte[] buffer = new byte[1024];
        int len = -1;
            try {
            while (true) {
                //read, write on terminal, echo.
                len = port.getInputStream().read(buffer);
                System.out.print(new String(buffer, 0, len));
                if (len != 0) {
                    port.getOutputStream().write(buffer, 0, len);
                }
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

public Object mapRow(ResultSet rs, int arg1)
                        throws SQLException {
                    for(int k=0;k<answers.length;k++){
                        DomainForm d = new DomainForm();
                        d.setAnswer(rs.getBinaryStream("Answer"));
                        InputStream s = (InputStream)d.getAnswer();
                        System.out.println("This is S values:"+s);
                        answers[k]= s;

                    }

                    return null;
                }

            });
        }
        try {


            Vector v=new Vector();
            for(InputStream is : answers){
                v.add(is);
                System.out.println("ele"+is);

            }
            System.out.println("elements"+v.elements());
            Enumeration e=v.elements();
            SequenceInputStream sis = new SequenceInputStream(e);
            byte[] buffer1 = new byte[1024];
            int size1 = 0;
            response.setContentType("application/msword");

            while ((size1 = sis.read(buffer1)) > 0) {
                response.getOutputStream().write(buffer1, 0, size1);
            }
            response.getOutputStream().flush();
            sis.close();

        } catch (IOException e) {
            e.printStackTrace();
        }
        return ans;
    }