대용량 txt 데이터 database 넣기 간략 데몬

package com.example;
 
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.sql.PreparedStatement;
import java.sql.SQLException;
 
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.core.io.ClassPathResource;
import org.springframework.core.io.Resource;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.jdbc.core.PreparedStatementSetter;
 
@SpringBootApplication
public class DemoApplication {
    
    private static JdbcTemplate jdbcTemplate;
    private static StringBuffer INSERT_TMP_TBL_MEMBER = new StringBuffer();
    
    public DemoApplication(JdbcTemplate _JdbcTemplate) {
        // TODO Auto-generated constructor stub
        DemoApplication.jdbcTemplate = _JdbcTemplate;
        INSERT_TMP_TBL_MEMBER.append("INSERT INTO TMP_TBL_MEMBER (C_NO,C_BIRTH,C_PHONE,C_PHONE2,C_EMAIL,C_NAME) VALUES(?,?,?,?,?,?)");
    }
    
    public static void main(String[] args) throws IOException{
        SpringApplication.run(DemoApplication.class, args);
        
        Resource resource = new ClassPathResource("TBL_MEMBER.txt");
        BufferedReader reader = new BufferedReader(new InputStreamReader(resource.getInputStream(),"euc-kr"));
        String tmpStr;
        while ((tmpStr = reader.readLine()) != null) {
            // C_NO,C_BIRTH,C_PHONE,C_PHONE2,C_EMAIL,C_NAME
            String[] params =  tmpStr.split(",");
            if(params.length == 6){
                INSERT_TB_FILE_MANAGE(params);
            }else{
                System.out.println(params.length+":"+params.toString());
            }
        }
    }
    
    private static void INSERT_TB_FILE_MANAGE(String[] params) {
        jdbcTemplate.update(INSERT_TMP_TBL_MEMBER.toString(), new PreparedStatementSetter() {
            @Override
            public void setValues(PreparedStatement preparedStatement) throws SQLException {
                // TODO Auto-generated method stub
                preparedStatement.setString(1, params[0] == null ? "" : params[0]);
                preparedStatement.setString(2, params[1] == null ? "" : params[1]);
                preparedStatement.setString(3, params[2] == null ? "" : params[2]);
                preparedStatement.setString(4, params[3] == null ? "" : params[3]);
                preparedStatement.setString(5, params[4] == null ? "" : params[4]);
                preparedStatement.setString(6, params[5] == null ? "" : params[5]);
            }
        });
    }
}