java-tutorials/spring-cloud-bus/spring-cloud-config-client/src/main/java/com/baeldung/SpringCloudConfigClientApplication.java

package com.baeldung;

import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.context.config.annotation.RefreshScope;
import org.springframework.http.MediaType;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;

@SpringBootApplication
@RestController
@RefreshScope
public class SpringCloudConfigClientApplication {

    @Value("${user.role}")
    private String role;

    @Value("${user.password}")
    private String password;

    public static void main(String[] args) {
        SpringApplication.run(SpringCloudConfigClientApplication.class, args);
    }
    
    @RequestMapping(value = "/whoami/{username}", method = RequestMethod.GET, produces = MediaType.TEXT_PLAIN_VALUE)
    public String whoami(@PathVariable("username") String username) {
        return String.format("Hello %s! You are a(n) %s and your password is '%s'.\n", username, role, password);
    }
}