[ 스프링 연습 ] txt파일로 Export

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"
	xmlns:context="http://www.springframework.org/schema/context"
	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
		http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.3.xsd">

		<!-- sample04 -->
	
	<bean id="messageBeanImpl2" class="sample04.MessageBeanImpl">
		<constructor-arg value="홍길동"/>
		<property name="phone" value="010-123-1234"/>
		<property name="outputter" ref="fileOutputter"/>
	</bean>

	<bean id="fileOutputter" class="sample04.FileOutputter">
		<property name="filePath" value="D:/"/>
		<property name="fileName" value="result.txt"/>
	</bean>
	
</beans>

HelloSpring

package sample04;

import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

public class HelloSpring {

	public static void main(String[] args) {
		System.out.println("0. Life Cycle");
		System.out.println("---------------------");
		System.out.println("ClassPathXmlApplicationContext");
		ApplicationContext context = new ClassPathXmlApplicationContext("applicationContext.xml");
		System.out.println("---------------------");
		MessageBean messageBean = (MessageBean) context.getBean("messageBeanImpl2");
		System.out.println("context.getBean(");
		messageBean.helloCall();

	}

}

Outputter

package sample04;

public interface Outputter {
	public void output(String message);
}

MessageBeanImpl

package sample04;

public class MessageBeanImpl implements MessageBean {
	private String name;
	private String phone;
	private String aa;
	private Outputter outputter; //파일로 출력

	public MessageBeanImpl(String name) {
		System.out.println("1. MessageBeanImpl(String name) 생성자는 name을 입력한다.");
		this.name = name;
	}
	
	public void setPhone(String phone) {
		System.out.println("5. setPhone(String phone)");
		this.phone = phone;
	}
	public
	void setOutputter(Outputter outputter) {
		System.out.println("6. setOutputter(Outputter outputter)");
		this.outputter = outputter;
	}
	
	@Override
	public void helloCall() {
		System.out.println("helloCall()");
		outputter.output("이름="+phone+"\t 핸드폰="+name);
		System.out.println("h1");
	}

}

FileOutputter

package sample04;

import java.io.FileWriter;
import java.io.IOException;

public class FileOutputter implements Outputter {
	private String filePath, fileName;
	
	public FileOutputter() {
		System.out.println("2. FileOutputter() 기본생성자 하는게 없는놈");
	}

	public void setFilePath(String filePath) {
		System.out.println("3. setFilePath(String filePath)");
		this.filePath = filePath;
	}
	public void setFileName(String fileName) {
		System.out.println("4. setFileName(String fileName)");
		this.fileName = fileName;
	}
	
	@Override
	public void output(String message) {
		try {
			System.out.println("f1");
			FileWriter fileWriter = new FileWriter(filePath+fileName);
			System.out.println("f2");
			
			fileWriter.write(message);
			System.out.println("f3");
			fileWriter.close();
			System.out.println("f4");
			
		} catch (IOException e) {
			e.printStackTrace();
		}

	}

}