public ImportRegistration importService()

in rsa/src/main/java/org/apache/aries/rsa/core/RemoteServiceAdminCore.java [415:454]
33 lines of code
6 McCabe index (conditional complexity)

    public ImportRegistration importService(EndpointDescription endpoint) {
        LOG.debug("importService() Endpoint: {}", endpoint.getProperties());

        synchronized (importedServices) {
            Collection<ImportRegistration> imRegs = importedServices.get(endpoint);
            if (imRegs != null && !imRegs.isEmpty()) {
                LOG.debug("creating copy of existing import registrations");
                ImportRegistration irParent = imRegs.iterator().next();
                ImportRegistration ir = new ImportRegistrationImpl(irParent);
                imRegs.add(ir);
                eventProducer.publishNotification(ir);
                return ir;
            }

            if (determineConfigTypesForImport(endpoint).size() == 0) {
                LOG.info("No matching handler can be found for remote endpoint {}.", endpoint.getId());
                return null;
            }

            // TODO: somehow select the interfaces that should be imported ---> job of the TopologyManager?
            List<String> matchingInterfaces = endpoint.getInterfaces();

            if (matchingInterfaces.size() == 0) {
                LOG.info("No matching interfaces found for remote endpoint {}.", endpoint.getId());
                return null;
            }

            LOG.info("Importing service {} with interfaces {} using handler {}.",
                endpoint.getId(), endpoint.getInterfaces(), provider.getClass());

            ImportRegistrationImpl imReg = exposeServiceFactory(matchingInterfaces.toArray(new String[matchingInterfaces.size()]), endpoint, provider);
            if (imRegs == null) {
                imRegs = new ArrayList<>();
                importedServices.put(endpoint, imRegs);
            }
            imRegs.add(imReg);
            eventProducer.publishNotification(imReg);
            return imReg;
        }
    }