code: public void registerHandler(HttpServiceBindingDescriptor serviceBindingDescriptor) {
          for (ProtocolBinding protocolBinding : protocolBindingRegistry.getProtocolBindings()) {
              if (protocolBinding.getProtocol() == serviceBindingDescriptor.getServiceProtocol()) {
                  String contextPath = protocolBinding.getContextRoot() + serviceBindingDescriptor.getServiceContextPath();
  
                  JettyHandlerSpecification handlerSpec = handlerSpecificationMap.get(contextPath);
                  if (handlerSpec == null) {
                      handlerSpec = new JettyHandlerSpecification(protocolBinding.getContextRoot(),
                              protocolBinding.getProtocol(), serviceBindingDescriptor.getServiceContextPath());
                      handlerSpecificationMap.put(contextPath, handlerSpec);
                  }
                  if (protocolBinding.getIdentityTokenResolver() != null) {
                      handlerSpec.addServiceVersionToTokenResolverEntry(serviceBindingDescriptor.getServiceVersion(), protocolBinding.getIdentityTokenResolver());
                  }
              }
          }
          commandProcessorFactory.getCommandProcessor(serviceBindingDescriptor.getServiceProtocol()).bind(serviceBindingDescriptor);
      }
docs: This method adds the service binding descriptor, and all the appropriate protocol binding combos
  into the handlerSpecMap, before binding the serviceBindingDescriptor to the appropriate
  command processor