String rootScopeStr = "1111111111111111";
ByteIdentifier rootId = new ByteIdentifier(Hex.decodeHex(rootScopeStr.toCharArray()));
rootScope = new ScopeID(rootId);
client.publishRootScope(rootId, strategy, null);
rootGenerator = new IDGenerator();
videoPublisher = new VideoPublisher(client, rootScope, strategy);
// publish the catalog.
videoPublisher.publishCatalog();
ridMappings = new HashMap<String, String>();
listMappings = new HashMap<Integer, String>();