JEditorPane: сохранение текста вместе с атрибутами

html= new JEditorPane();
html.setContentType('text/html');
b1=new JButton('bold');
html.SetText('я хочу сделать выделение жирным');
b1.actionPerformed ..... {
      Подскажите, плз, что здесь написать?
});

SimpleAttributeSet attr = new SimpleAttributeSet();
StyleConstants.setForeground(attr, Color.red);
textPane.getStyledDocument().setCharacterAttributes(0,20,attr,true);

  StyledDocument dsd = new DefaultStyledDocument();
  JTextPane jtp = new JTextPane(dsd);

  MutableAttributeSet mas = new SimpleAttributeSet();
  StyleConstants.setFontFamily(mas, 'Arial');
  StyleConstants.setBackground(mas, Color.red);
  StyleConstants.setItalic(mas, true);
  dsd.setCharacterAttributes(5, 2, mas, false);

  HTMLDocument hd = new HTMLDocument();
  JEditorPane jep = new JEditorPane();
  jep.setContentType('text/html');

  MutableAttributeSet attr = new SimpleAttributeSet();
  StyleConstants.setFontFamily(attr, 'Arial');
  StyleConstants.setBackground(attr, Color.red);
  StyleConstants.setItalic(attr,true);
  hd.setCharacterAttributes(5, 2, attr, false);

  FileOutputStream fst = new FileOutputStream(new File('new.dat'));
  ObjectOutput oo = new ObjectOutputStream(fst);
  oo.writeObject(TextPane1.getStyledDocument());
  oo.flush();

  FileInputStream fis = new FileInputStream(new File('new.dat'));
  ObjectInputStream ois = new ObjectInputStream(fis);
  StyledDocument sd = (StyledDocument) ois.readObject();
  TextPane1.setStyledDocument(sd);

  PipedInputStream pis = new PipedInputStream();
  PipedOutputStream pos = new PipedOutputStream();
  pos.connect(pis);
 
  ObjectOutput oo = new ObjectOutputStream(pos);
  oo.writeObject(TextPane1.getStyledDocument());

  conn = DriverManager.getConnection('...');
  String us = 'UPDATE TABLE_1 SET BIN_VALUE=(?) WHERE ID=1;';
  PreparedStatement pstm = conn.prepareStatement(us);
 
  pstm.setBinaryStream(1, pis, 0);
  pstm.executeUpdate();

ObjectOutput oo = new ObjectOutputStream(pos);
pos.close();
pos.flush();
oo.writeObject(TextPane1.getStyledDocument());

PipedInputStream pis = new PipedInputStream();
PipedOutputStream pos = new PipedOutputStream(pis);

Object obj= DB.mysql_select_note('SELECT * FROM notes WHERE id='+id_reg);
StyledDocument sd = (StyledDocument) obj;
textPane.setStyledDocument(sd);

import java.io.*;
import java.sql.*;
 
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.text.*;
 
public class ObjWrite {
  JFrame frame = new JFrame();
  JPanel panel = new JPanel();
  StyledDocument sd = new DefaultStyledDocument();
  JTextPane textPane = new JTextPane(sd);
 
  JButton button = new JButton(new AbstractAction() {
    public void actionPerformed(ActionEvent e) {
      Connection conn;
      String strCon = 'jdbc:odbc:' +
          'DRIVER=Driver do Microsoft Access (*.mdb);' +
          'UserCommitSync=Yes;' +
          'Threads=3;' +
          'SafeTransactions=0;' +
          'PageTimeout=5;' +
          'MaxScanRows=8;' +
          'MaxBufferSize=2048;' +
          'FIL=MS Access;' +
          'DriverId=25;' +
          'DefaultDir=' + System.getProperty('user.dir') + ';' +
          'DBQ=' + System.getProperty('user.dir') + '/db.mdb;';
 
      try {
        Class.forName('sun.jdbc.odbc.JdbcOdbcDriver');
        conn = DriverManager.getConnection(strCon);
        String us = 'INSERT INTO TABLE_1 (BIN_VALUE) VALUES (?);';
        PreparedStatement pstm = conn.prepareStatement(us);
 
        PipedOutputStream pos = new PipedOutputStream();
        PipedInputStream pis = new PipedInputStream(pos);
        
        ObjectOutputStream oo = new ObjectOutputStream(pos);
 
        System.out.println(1);
 
        oo.writeObject(sd);
 
        System.out.println(2);
 
        oo.close();
        oo.flush();
        
        System.out.println(3);
        
        System.out.println('availible: ' + pis.available());
        pstm.setBinaryStream(1, pis, pis.available());
 
        System.out.println(4);
 
        pstm.executeUpdate();
        
        System.out.println(5);
 
        conn.close();
      }
      catch (Exception ex) {
        ex.printStackTrace();
      }
 
    }
  }
  );
 
  ObjWrite() {
    frame.getContentPane().setLayout(new BorderLayout());
    frame.getContentPane().add(panel, BorderLayout.NORTH);
    frame.getContentPane().add(textPane, BorderLayout.CENTER);
    panel.add(button);
    textPane.setText('Hello World');
    button.setText('Запись');
    frame.setSize(500, 500);
    frame.setVisible(true);
  }
 
  public static void main(String[] args) {
    new ObjWrite();
  }
}