Spring 암호화 추가

package com.server.RoadToInerview.security;

import org.apache.juli.logging.Log;
import org.apache.juli.logging.LogFactory;
import org.springframework.security.crypto.password.PasswordEncoder;

import java.security.MessageDigest;

public class SHA512PasswordEncoder implements PasswordEncoder {
    private final Log logger = LogFactory.getLog(getClass()); // 로그생성하기
    @Override 
    public String encode(CharSequence rawPassword) {//인코딩하기
        if (rawPassword == null){
            throw new IllegalArgumentException("빈칸은 넣으면 안됨");
        }
        return this.getSHA512Pw(rawPassword);
    }

    @Override
    public boolean matches(CharSequence rawPassword, String encodedPassword) { 
    //인코딩하여 저장한 것과 비교하기
        if (rawPassword == null) {
            throw new IllegalArgumentException("빈칸 X");
        }
        if (encodedPassword == null || encodedPassword.length() == 0) {
            this.logger.warn("빈칸 X");
            return false;
        }
        String encodedRawPw = this.getSHA512Pw(rawPassword);
        if (encodedPassword.length() != encodedRawPw.length()) { //길이 다르면 탈락
            return false;
        }
        for (int i = 0; i < encodedPassword.length(); i++) {
            if(encodedPassword.charAt(i) != encodedRawPw.charAt(i)) return false;
        }
        return true;
    }


}