ClassNamespaceMappingListType mappings = of.createClassNamespaceMappingListType();
ClassNamespaceMappingType mapping = of.createClassNamespaceMappingType();
mapping.setClassname("org.objectweb.celtix.bus.transports.jms.JMSTransportFactory");
mapping.getNamespace().add(transportId);
mappings.getMap().add(mapping);
TransportFactoryManager tfm = new TransportFactoryManagerImpl(bus);
return tfm.getTransportFactory(transportId);
}