spring 다국어처리 2가지 session, Accept-Language

session

@Configuration
@EnableConfigurationProperties(ProjectProperties.class)
public class CmsWebMvcConfigurerAdapter implements WebMvcConfigurer {
...
        @Bean
        public LocaleResolver localeResolver() {
            SessionLocaleResolver slr = new SessionLocaleResolver();
            slr.setDefaultLocale(Locale.US);
            return slr;
        }

        public LocaleChangeInterceptor localeChangeInterceptor() {
            LocaleChangeInterceptor lci = new LocaleChangeInterceptor();
            lci.setParamName(AnonsController.LANG_CHANGE_PARAM_NAME);
            return lci;
        }
        @Override
        public void addInterceptors(InterceptorRegistry registry) {
            registry.addInterceptor(localeChangeInterceptor()).addPathPatterns(AnonsController.URI_PREFIX + AnonsController.LANG_CHANGE_URI);
        }
        ...
}

@Slf4j
@RestController
@RequestMapping(AnonsController.URI_PREFIX)
public class AnonsController {

    public static final String URI_PREFIX = CmsWebSecurityConfigurerAdapter.ANON_PATH;
    public static final String LANG_CHANGE_URI = "/langs";
    public static final String LANG_CHANGE_PARAM_NAME = "lang";

    ...


    // 인터셉터에서 lang으로 들어오면 자동으로 변경해준다.
    @GetMapping(value = LANG_CHANGE_URI)
    public Map<String, String> i18n(@RequestParam(LANG_CHANGE_PARAM_NAME) String lang) {
        return anonService.i18n(lang);
    }



}

 

 

 

 

Accept-Language

@Configuration
@EnableWebMvc
@EnableConfigurationProperties(ProjectProperties.class)
@EnableScheduling
@EnableTransactionManagement
public class ApiWebMvcConfigurerAdapter implements WebMvcConfigurer {

...
    @Bean
    public LocaleResolver localeResolver() {
        AcceptHeaderLocaleResolver slr = new AcceptHeaderLocaleResolver();
        slr.setDefaultLocale(Locale.US);
        return slr;
    }
    
}