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public <T extends Serializable> T clone(T jaxbObject) {
  ByteArrayOutputStream out = new ByteArrayOutputStream();
  ObjectOutputStream o = new ObjectOutputStream(out);
  o.writeObject(jaxbObject);
  o.flush();

  ByteArrayInputStream in = new ByteArrayInputStream(out.toByteArray());
  ObjectInputStream i = new ObjectInputStream(in);
  return (T) i.readObject();
}

public <T extends Serializable> T clone(T jaxbObject) {
  StringWriter xml = new StringWriter();
  JAXB.marshal(jaxbObject, xml);
  StringReader reader = new StringReader(xml.toString());
  return JAXB.unmarshal(reader, jaxbObject.getClass());
}

public static <T> T deepCopyJAXB(T object, Class<T> clazz) {
  try {
    JAXBContext jaxbContext = JAXBContext.newInstance(clazz);
    JAXBElement<T> contentObject = new JAXBElement<T>(new QName(clazz.getSimpleName()), clazz, object);
    JAXBSource source = new JAXBSource(jaxbContext, contentObject);
    return jaxbContext.createUnmarshaller().unmarshal(source, clazz).getValue();
  } catch (JAXBException e) {
      throw new RuntimeException(e);
  }
}

public static <T> T deepCopyJAXB(T object) {
  if(object==null) throw new RuntimeException("Can't guess at class");
  return deepCopyJAXB(object, (Class<T>) object.getClass());
}