MyBatis | 설정 파일 | 외부 속성 파일 로드

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE configuration
  PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
  "http://mybatis.org/dtd/mybatis-3-config.dtd">
<configuration>
  <properties resource="hoge.properties">
    <property name="hoge" value="property tag"/>
    <property name="fuga" value="property tag"/>
    <property name="piyo" value="property tag"/>
  </properties>
</configuration>

fuga=property file
piyo=property file

package sample.mybatis;

import java.io.InputStream;
import java.util.Properties;

import org.apache.ibatis.session.SqlSessionFactory;
import org.apache.ibatis.session.SqlSessionFactoryBuilder;

public class Main {

    public static void main(String[] args) throws Exception {
        try (InputStream in = Main.class.getResourceAsStream("/mybatis-config.xml")) {
            Properties prop = new Properties();
            prop.put("piyo", "Properties Class");

            SqlSessionFactory factory = new SqlSessionFactoryBuilder().build(in, prop);
            Properties properties = factory.getConfiguration().getVariables();

            properties.forEach((key, value) -> {
                System.out.printf("%s=%s%n", key, value);
            });
        }
    }
}