throws FileNotFoundException, FailedToUnMarshalException,
org.openinvoice.ubl4j.core.common.FailedToMarshalException {
FileInputStream fis = new FileInputStream(new File("E:/Temp/in/2011-12-28_72.xml"));
InvoiceType it = InvoiceTypeUnMarshaller.unMarshal(fis);
System.err.println(it.getID().getValue());
InvoiceType it2 = it;
IDType id = new IDType();
id.setValue("100");
it2.setID(id);
System.err.println(it2.getID().getValue());
FileOutputStream fos = new FileOutputStream(new File(new File("E:/Temp/in"), id.getValue()));
InvoiceTypeMarshaller.marshal(it2, fos);
}