@Override
public void write(DOMOutput out) throws IOException {
super.write(out);
out.openElement("locator");
out.writeObject(locator);
out.closeElement();
}
@Override
public void read(DOMInput in) throws IOException {
super.read(in);
in.openElement("locator");
this.locator = (Locator) in.readObject(0);
in.closeElement();
}