Spring Framework - MessageSourceAware Examples

package com.logicbig.example;

import org.springframework.context.MessageSource;
import org.springframework.context.MessageSourceAware;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.support.ResourceBundleMessageSource;

import java.io.IOException;
import java.util.Locale;

public class MessageSourceAwareExample {
    public static void main (String[] args) throws IOException {
        Locale.setDefault(Locale.US);
        //uncomment next line to change the locale
        //   Locale.setDefault(Locale.FRANCE);
        AnnotationConfigApplicationContext context =
                            new AnnotationConfigApplicationContext(Config.class);
        MyBean bean = context.getBean(MyBean.class);
        bean.doSomething();
    }


    @Configuration
    public static class Config {

        @Bean
        public MyBean myBean () {
            return new MyBean();
        }

        @Bean
        public MessageSource messageSource () {
            ResourceBundleMessageSource messageSource = new ResourceBundleMessageSource();
            messageSource.setBasename("messages/msg");
            return messageSource;
        }
    }

    public static class MyBean implements MessageSourceAware {
        private MessageSource messageSource;

        public void doSomething () {
            System.out.println(messageSource.getMessage("app.name", new Object[]{"Joe"},
                                                        Locale.getDefault()));
        }

        @Override
        public void setMessageSource (MessageSource messageSource) {
            this.messageSource = messageSource;

        }
    }
}