What is the right way to use an injected bean in a static method?

Question

This question might seem a little odd. Suppose I have a Service which I want to use in a Utility class that has some static methods. The Service is a Spring bean, so naturally I

Answer 1

You can't autowire static field.

But you can make a little workaround:

@Component
public class JustAClass{
  private static Service service;

  @Autowired
  private Service tmpService;

  @PostConstruct
  public void init() {
    service = tmpService;
  }

}

Note, that you have to declare this class as "Component" to inject tmpService