[Spring] Annotation 방식 3

main.java

package com.java.ex;

import java.io.IOException;

import org.springframework.context.ConfigurableApplicationContext;
import org.springframework.context.annotation.ImportResource;
import org.springframework.context.support.GenericXmlApplicationContext;
import org.springframework.core.env.ConfigurableEnvironment;
import org.springframework.core.env.MutablePropertySources;
import org.springframework.core.io.support.ResourcePropertySource;
//위의 import는 항상 고정적으로 가져오도록 하자. 여러개를 사용할 수도 있기때문.

public class MainClass {

	public static void main(String[] args) {
		
		ConfigurableApplicationContext ctx
			= new GenericXmlApplicationContext();//
		
		ConfigurableEnvironment env = ctx.getEnvironment();
		MutablePropertySources propertySources
		= env.getPropertySources();
		
		try {
			propertySources.addLast(
					new ResourcePropertySource("classpath:admin.properties"));
			
			System.out.println(env.getProperty("admin.id"));
			System.out.println(env.getProperty("admin.pw"));
		} catch (IOException e) {}
		//////////////////////////////////////////////
		
		GenericXmlApplicationContext gCtx
			= (GenericXmlApplicationContext)ctx;
		gCtx.load("applicationCTX.xml");
		gCtx.refresh();
		
		AdminConnection adminConnection = gCtx.getBean("adminConnection", AdminConnection.class);
		System.out.println("admin ID : " + adminConnection.getAdminId());
		System.out.println("admin PW : " + adminConnection.getAdminPw());
		gCtx.close();
		ctx.close();

 

AdminConnection.java

package com.java.ex;

import org.springframework.beans.factory.DisposableBean;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.context.EnvironmentAware;
import org.springframework.core.env.Environment;

public class AdminConnection implements EnvironmentAware, InitializingBean, DisposableBean {
	
	private Environment env;
	private String adminId;
	private String adminPw;
	private String sub_adminId;
	private String sub_adminPw;

	@Override
	public void afterPropertiesSet() throws Exception {
		System.out.println("afterPropertiesSet()");
		setAdminId(env.getProperty("admin.id"));
		setAdminPw(env.getProperty("admin.pw"));
	}

	public void setEnv(Environment env) {
		this.env = env;
	}

	public void setAdminId(String adminId) {
		this.adminId = adminId;
	}

	public void setAdminPw(String adminPw) {
		this.adminPw = adminPw;
	}

	public Environment getEnv() {
		return env;
	}

	public String getAdminId() {
		return adminId;
	}

	public String getAdminPw() {
		return adminPw;
	}
	public String getSub_adminId() {
		return sub_adminId;
	}

	public void setSub_adminId(String sub_adminId) {
		this.sub_adminId = sub_adminId;
	}

	public String getSub_adminPw() {
		return sub_adminPw;
	}

	public void setSub_adminPw(String sub_adminPw) {
		this.sub_adminPw = sub_adminPw;
	}

	@Override
	public void setEnvironment(Environment environment) { // 연결 (빈즈가 만들어진 시점에 자동으로 불러짐)
		System.out.println("setEnvironment()");
		setEnv(environment);
	}

	@Override
	public void destroy() throws Exception {
		System.out.println("detroy()");
	}

}

applicationCTX.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd">

	<bean id="adminConnection" class="com.java.ex.AdminConnection" />

</beans>

admin.properties

admin.id=admin
admin.pw=12345