@Component
public class CommandFactory implements ApplicationContextAware {

    private Map<String, Command> commandMap = new HashMap <>();
    private ApplicationContext context;

    @Override
    public void setApplicationContext(ApplicationContext applicationContext) throw BeansException{
         context = applicationContext;
    }

    @PostConstruct
    public void registerCommand() {
        ClassPathScanningCandidateComponentProvider provider = new ClassPathScanningCandidateComponentProvider(true);
        provider.addIncludeFilter(new AssignableTypeFilter(Command.class));
        Set<BeanDefinition> components = provider.findCandidateComponents(Command.class.getPackage().getName());

        for (BeanDefinition component : components) {
            try {
                Object bean = context.getBean(Class.forName(component.getBeanClassName()));
                if (bean instanceof Command) {
                    Command command = (Command) bean;
                    commandMap.put(command.getName(), command);
                }
            } catch (ClassNotFoundException e) {
                log.error(e.getMessage());
            }
        }
    }
}