if (INITIALIZATION_MODE_ARCHIVE.equalsIgnoreCase(setting)) {
// if this data was extracted from a ZIP File, check to see if
// external resources were included in that ZIP.
ExternalResourceManifestXMLv1 loader = new ExternalResourceManifestXMLv1();
if (mapper.loadMappings(loader.load(baseDir))) {
defaultMapDataSource = baseDir;
} else {
// the zip file did not contain any archived external resources.
// this might mean it wasn't created by the FileBackupManager,
// but by an individual zipping up a set of team data