protected DefaultTypeConverter createRegistry()

in core/camel-core-osgi/src/main/java/org/apache/camel/karaf/core/OsgiTypeConverter.java [239:285]
33 lines of code
5 McCabe index (conditional complexity)

    protected DefaultTypeConverter createRegistry() {
        // base the osgi type converter on the default type converter
        DefaultTypeConverter answer = new OsgiDefaultTypeConverter(new DefaultPackageScanClassResolver() {
            @Override
            public Set<ClassLoader> getClassLoaders() {
                // we only need classloaders for loading core TypeConverterLoaders
                return new HashSet<>(Arrays.asList(
                        DefaultTypeConverter.class.getClassLoader(),
                        DefaultCamelContext.class.getClassLoader()));
            }
        }, injector, false, camelContext.isTypeConverterStatisticsEnabled());

        // inject CamelContext
        answer.setCamelContext(camelContext);


        try {
            // init before loading core converters
            answer.init();
            // only load the core type converters, as OSGi activator will keep track on bundles
            // being installed/uninstalled and load type converters as part of that process
            answer.loadCoreAndFastTypeConverters();
        } catch (Exception e) {
            throw new RuntimeCamelException("Error loading CoreTypeConverter due: " + e.getMessage(), e);
        }

        // Load the type converters the tracker has been tracking
        // Here we need to use the ServiceReference to check the ranking
        ServiceReference<TypeConverterLoader>[] serviceReferences = this.tracker.getServiceReferences();
        if (serviceReferences != null) {
            ArrayList<ServiceReference<TypeConverterLoader>> servicesList =
                    new ArrayList<>(Arrays.asList(serviceReferences));
            // Just make sure we install the high ranking fallback converter at last
            Collections.sort(servicesList);
            for (ServiceReference<TypeConverterLoader> sr : servicesList) {
                try {
                    LOG.debug("loading type converter from bundle: {}", sr.getBundle().getSymbolicName());
                    ((TypeConverterLoader)this.tracker.getService(sr)).load(answer);
                } catch (Throwable t) {
                    throw new RuntimeCamelException("Error loading type converters from service: " + sr + " due: " + t.getMessage(), t);
                }
            }
        }

        LOG.trace("Created TypeConverter: {}", answer);
        return answer;
    }