public XmlObjectStore(final IsisConfiguration configuration) {
final String charset = Utils.lookupCharset(configuration);
final String directory = configuration.getString(XMLOS_DIR, "xml/objects");
final XmlFile xmlFile = new XmlFile(charset, directory);
dataManager = new XmlDataManager(xmlFile);
serviceManager = new XmlServiceManager(xmlFile);
serviceManager.loadServices();
}