BlogJava-Never give up!-随笔分类-spring

public class DaoA implements IDaoA {

private String param;

public void operationA() {

System.out.println("DaoA.operationA(" + param + ")");

}

public String getParam() {

return param;

}

public void setParam(String param) {

this.param = param;

}

public class DaoB implements IDaoB {

public void operationB() {

System.out.println("DaoB.operationB()");

}

public class Service implements IService {

private IDaoA daoA = null;

private IDaoB daoB = null;

public void service() {

System.out.println("********service begin ***********");

daoA.operationA();

daoB.operationB();

System.out.println("********service end *************");

}

public IDaoA getDaoA() {

return daoA;

}

public void setDaoA(IDaoA daoA) {

this.daoA = daoA;

}

public IDaoB getDaoB() {

return daoB;

}

public void setDaoB(IDaoB daoB) {

this.daoB = daoB;

}

import org.springframework.beans.MutablePropertyValues;

import org.springframework.beans.factory.BeanFactory;

import org.springframework.beans.factory.config.RuntimeBeanReference;

import org.springframework.beans.factory.support.BeanDefinitionRegistry;

import org.springframework.beans.factory.support.DefaultListableBeanFactory;

import org.springframework.beans.factory.support.RootBeanDefinition;

public class HardCodeIoc {

public static void main(String[] args) {

// 注册器

BeanDefinitionRegistry register = new DefaultListableBeanFactory();

/* DaoA的属性集(DaoB没有属性这里就不做表示) */

MutablePropertyValues daoAProperties = new MutablePropertyValues();

daoAProperties.addPropertyValue("param", "param1");

/* Service的属性集 */

MutablePropertyValues serviceProperties = new MutablePropertyValues();

serviceProperties.addPropertyValue("daoA", new RuntimeBeanReference("daoA"));

serviceProperties.addPropertyValue("daoB", new RuntimeBeanReference("daoB"));

/* 分别构造DaoA,DaoB,Service的Bean定义信息 */

RootBeanDefinition daoADefinition = new RootBeanDefinition(DaoA.class, daoAProperties);

RootBeanDefinition daoBDefinition = new RootBeanDefinition(DaoB.class, null);

RootBeanDefinition serviceDefinition = new RootBeanDefinition(Service.class, serviceProperties);

/* 把DaoA,DaoB,Service注册到工厂 */

// 转化为Bean工厂容器

BeanFactory beanFactory = (BeanFactory) register;

IDaoA daoA = (IDaoA) beanFactory.getBean("daoA");

IDaoB daoB = (IDaoB) beanFactory.getBean("daoB");

IService service = (IService) beanFactory.getBean("service");

daoA.operationA();

daoB.operationB();

service.service();

}