问如何将StyledDocument从textPane保存到.doc文件？

EN

public class EditFrame extends javax.swing.JFrame {

JFrame frameEdit = this;
File file; //A file I would like to save to -> fileName.doc
StyledDocument doc;   
HashMap<Object, Action> actions;
StyledEditorKit kit;

public EditFrame() {
    super();
    initComponents();
    JMenu editMenu = createEditMenu();
}

protected JMenu createEditMenu() {
    JMenu menu = editMenu;

    Action action = new StyledEditorKit.BoldAction();
    action.putValue(Action.NAME, "Bold");
    menu.add(action);

    action = new StyledEditorKit.ItalicAction();
    action.putValue(Action.NAME, "Italic");
    menu.add(action);

    //...

    return menu;
}

//I'm guessing this doesn't work correctly too (doesn't read styles), but this is another subject :)
public void readFile(File f) {
    try {
        BufferedReader reader = new BufferedReader(new InputStreamReader(new FileInputStream(f), "windows-1250"));
        textPane.read(reader, null);
        textPane.requestFocus();
    } catch (IOException ex) {
        Logger.getLogger(EditFrame.class.getName()).log(Level.SEVERE, null, ex);
    }
}

//SAVE METHOD
private void save(java.awt.event.ActionEvent evt) {                      
    try {
        BufferedOutputStream out = new BufferedOutputStream(new FileOutputStream(file));
        kit = (StyledEditorKit) textPane.getEditorKit();
        doc = (StyledDocument) textPane.getDocument();
        kit.write(out, doc, 0, doc.getLength());
    } catch (FileNotFoundException ex) {
        Logger.getLogger(EditFrame.class.getName()).log(Level.SEVERE, null, ex);
    } catch (UnsupportedEncodingException | BadLocationException ex) {
        Logger.getLogger(EditFrame.class.getName()).log(Level.SEVERE, null, ex);
    } catch (IOException ex) {
        Logger.getLogger(EditFrame.class.getName()).log(Level.SEVERE, null, ex);
    }
}                     

public static void main(String args[]) {
    java.awt.EventQueue.invokeLater(new Runnable() {
        public void run() {
            new EditFrame().setVisible(true);
        }
    });
}
}