return xstream.toXML(ml);
}
public static MyLibrary convertFromXML(String XMLString) {
MyLibrary ml = null;
XStream xstream = new XStream(new DomDriver());
xstream.setMode(XStream.ID_REFERENCES);
xstream.alias("person", Person.class);
xstream.alias("book", Book.class);
xstream.alias("mylibrary", MyLibrary.class);
Object obj = xstream.fromXML(XMLString);