}
public void start() throws JahiaInitializationException {
try {
NamespaceRegistry nsRegistry = sessionFactory.getNamespaceRegistry();
NodeTypeRegistry ntRegistry = NodeTypeRegistry.getInstance();
Set<String> prefixes = ImmutableSet.copyOf(nsRegistry.getPrefixes());
for (Map.Entry<String, String> namespaceEntry : ntRegistry.getNamespaces().entrySet()) {
if (!prefixes.contains(namespaceEntry.getKey())) {
nsRegistry
.registerNamespace(namespaceEntry.getKey(), namespaceEntry.getValue());
}
}