“JPA Auditing”

• Audit: “감시하다”
• 엔티티가 저장 또는 수정될 때, 생성일자, 수정일자, 생성자, 수정자 변경 시 자동으로 값을 넣어주도록 설정
• @EnableJpaAuditing: JPA Auditing 기능을 사용하기 위한 어노테이션

“AuditorAwareImpl”

package com.app.global.config.jpa;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.AuditorAware;
import org.springframework.util.StringUtils;

import javax.servlet.http.HttpServletRequest;
import java.util.Optional;

public class AuditorAwareImpl implements AuditorAware<String> {

    @Autowired
    private HttpServletRequest httpServletRequest;

    @Override
    public Optional<String> getCurrentAuditor() {
        String modifiedBy = httpServletRequest.getRequestURI();
        if (!StringUtils.hasText(modifiedBy)){
            modifiedBy = "unknown";
        }
        return Optional.of(modifiedBy);
    }
}

“JpaConfig”

package com.app.global.config.jpa;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.domain.AuditorAware;
import org.springframework.data.jpa.repository.config.EnableJpaAuditing;

@Configuration
@EnableJpaAuditing
public class JpaConfig {

    @Bean
    public AuditorAware<String> auditorAware(){
        return new AuditorAwareImpl();
    }
}