public void copyStringProperties(Map<String, String> map) {
    for (Map.Entry<String, JComponent> entry : myKey2Component.entrySet()) {
      final JComponent component = entry.getValue();
      String value = null;
      if (component instanceof JTextComponent) {
        value = ((JTextComponent)component).getText();
      }
      else if (component instanceof TextFieldWithBrowseButton) {
        value = ((TextFieldWithBrowseButton)component).getTextField().getText();
      } else if (component instanceof JCheckBox) {
        value = ((JCheckBox) component).isSelected() ? "yes" : "no";
      }

      if ((value != null) && (!value.isEmpty() || map.containsKey(entry.getKey()))) {
        map.put(entry.getKey(), value);
      }
    }
  }
public void copyStringProperties(Map<String, String> map)