Object cls = BrokerFactoryValue.get(conf);
if (cls instanceof Class)
return (Class) cls;
BrokerFactoryValue value = new BrokerFactoryValue();
value.setString((String) cls);
String clsName = value.getClassName();
if (clsName == null)
throw new UserException(s_loc.get("no-brokerfactory",
conf.getProperties())).setFatal(true);
try {