Learn, Unlearn and Relearn

1. Static (DI 가 잘되지 않아 env = null 인 경우, EnvironmentAware를 구현) @Configuration @PropertySource("classpath:my.properties") public class MyConfig implements EnvironmentAware { final static Environment env; @Override public void setEnvironment(Environment env) { MyConfig.env = env; } 2. Contructor DI @Configuration @PropertySource("classpath:my.properties") public class MyConfig { final Environment e..

1. Field DI (Not recommended) @Controller public class MyController { @Autowired MyConfig myConfig; 2. Constructor DI (Recommended) @Controller public class MyController { final MyConfig myConfig; public MyController(MyConfig myConfig) { this.myConfig = myConfig; } 3. lombok plugin Constructor DI @AllArgsConstructor @Controller public class MyController { final MyConfig myConfig; 4. Setter DI @C..