JFileChooserを編集不可にする

JButton readOnlyButton = new JButton("readOnly");
readOnlyButton.addActionListener(e -> {
  UIManager.put("FileChooser.readOnly", Boolean.TRUE);
  JFileChooser fileChooser = new JFileChooser();
  int retValue = fileChooser.showOpenDialog(getRootPane());
  if (retValue == JFileChooser.APPROVE_OPTION) {
    log.setText(fileChooser.getSelectedFile().getAbsolutePath());
  }
});