* @param oid
* @return a <code>Mets</code> object
*/
protected Mets unmarshallMets(String oid) throws IOException, MarshalException,
ValidationException {
Mets mets = null;
Reader in = null;
try {
in = config.getDataSource().getReader(oid);
mets = (Mets) Unmarshaller.unmarshal(Mets.class, in);
} finally {