spring-boot/spring-boot-samples/spring-boot-sample-secure-oauth2/src/main/java/sample/secure/oauth2/AuthenticationConfiguration.java

package sample.secure.oauth2;

import org.springframework.context.annotation.Configuration;
import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
import org.springframework.security.config.annotation.authentication.configurers.GlobalAuthenticationConfigurerAdapter;

/**
 * @author Madhura Bhave
 */
@Configuration
public class AuthenticationConfiguration extends GlobalAuthenticationConfigurerAdapter {

	@Override
	public void init(AuthenticationManagerBuilder auth) throws Exception {
		auth.inMemoryAuthentication().withUser("greg").password("turnquist")
				.roles("read");
	}
}