Handle ws:coor <Register> messages.
<Register ...>
<ProtocolIdentifier> ... </ProtocolIdentifier>
<ParticipantProtocolService> ... </ParticipantProtocolService>
...
</Register>
if (logger.isLogging(Level.FINER)) {
logger.entering("wscoor:register", parameters);
}
RegistrationManager.getInstance().register(wsContext, activityId, parameters);
if (logger.isLogging(Level.FINER)) {
logger.exiting("wscoor:register");
}