Add classes to Jersey 2 HK2 injector with reflection

gistfile1.java

// Example of registering javax.injection annotated classes to Jersey 2's HK2 instance ServiceLocator
// Uses https://code.google.com/p/reflections/
public class RestApplication extends ResourceConfig {

    @Inject
    public RestApplication(ServiceLocator serviceLocator) {
        packages("rest.resource");
        ServiceLocatorUtilities.addClasses(serviceLocator, findServiceSingletons());
    }

    private Class[] findServiceSingletons() {
        Reflections reflections = new Reflections("rest.service");
        Set<Class<?>> clazzez = reflections.getTypesAnnotatedWith(Singleton.class); //or other qualifiers
        return clazzez.toArray(new Class[clazzez.size()]);
    }

}