吴裕雄--天生自然轻量级JAVA EE企业应用开发Struts2Sping4Hibernate整合开发学习笔记：Spring_BeanFactoryPostProcessor

<?xml version="1.0" encoding="GBK"?>
<project name="spring" basedir="." default="">
    <property name="src" value="src"/>
    <property name="dest" value="classes"/>

    <path id="classpath">
        <fileset dir="../../lib">
            <include name="**/*.jar"/>
        </fileset>
        <pathelement path="${dest}"/>
    </path>

    <target name="compile" description="Compile all source code">
        <delete dir="${dest}"/>
        <mkdir dir="${dest}"/>
        <copy todir="${dest}">
            <fileset dir="${src}">
                <exclude name="**/*.java"/>
            </fileset>        
        </copy>
        <javac destdir="${dest}" debug="true" includeantruntime="yes"
            deprecation="false" optimize="false" failonerror="true">
            <src path="${src}"/>
            <classpath refid="classpath"/>
            <compilerarg value="-Xlint:deprecation"/>
        </javac>
    </target>

    <target name="run" description="Run the main class" depends="compile">
        <java classname="lee.BeanTest" fork="yes" failonerror="true">
            <classpath refid="classpath"/>
        </java>
    </target>

</project>

<?xml version="1.0" encoding="GBK"?>
<beans xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns="http://www.springframework.org/schema/beans"
    xmlns:p="http://www.springframework.org/schema/p"
    xsi:schemaLocation="http://www.springframework.org/schema/beans
    http://www.springframework.org/schema/beans/spring-beans-4.0.xsd">
    <!-- 配置两个简单Bean实例 -->
    <bean id="steelAxe" class="org.crazyit.app.service.impl.SteelAxe"/>
    <bean id="chinese" class="org.crazyit.app.service.impl.Chinese"
        init-method="init" p:name="孙悟空" p:axe-ref="steelAxe"/>
    <!-- 配置容器后处理器 -->
    <bean id="beanFactoryPostProcessor" 
        class="org.crazyit.app.util.MyBeanFactoryPostProcessor"/>
</beans>

package lee;

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

import org.crazyit.app.service.*;
/**
 * Description:
 * <br/>网站: <a href="http://www.crazyit.org">疯狂Java联盟</a>
 * <br/>Copyright (C), 2001-2016, Yeeku.H.Lee
 * <br/>This program is protected by copyright laws.
 * <br/>Program Name:
 * <br/>Date:
 * @author  Yeeku.H.Lee kongyeeku@163.com
 * @version  1.0
 */
public class BeanTest
{
    public static void main(String[] args)
    {
        // 以ApplicationContex作为Spring容器
        // 它会自动注册容器后处理器、Bean后处理器
        ApplicationContext ctx = new
            ClassPathXmlApplicationContext("beans.xml");
        Person p = (Person)ctx.getBean("chinese");
        p.useAxe();
    }
}

package org.crazyit.app.service;

/**
 * Description:
 * <br/>网站: <a href="http://www.crazyit.org">疯狂Java联盟</a>
 * <br/>Copyright (C), 2001-2016, Yeeku.H.Lee
 * <br/>This program is protected by copyright laws.
 * <br/>Program Name:
 * <br/>Date:
 * @author  Yeeku.H.Lee kongyeeku@163.com
 * @version  1.0
 */
public interface Axe
{
    public String chop();
}

package org.crazyit.app.service;

/**
 * Description:
 * <br/>网站: <a href="http://www.crazyit.org">疯狂Java联盟</a>
 * <br/>Copyright (C), 2001-2016, Yeeku.H.Lee
 * <br/>This program is protected by copyright laws.
 * <br/>Program Name:
 * <br/>Date:
 * @author  Yeeku.H.Lee kongyeeku@163.com
 * @version  1.0
 */
public interface Person
{
    public void useAxe();
}

package org.crazyit.app.service.impl;

import org.springframework.beans.factory.InitializingBean;
import org.springframework.beans.factory.config.BeanPostProcessor;

import org.crazyit.app.service.*;
/**
 * Description:
 * <br/>网站: <a href="http://www.crazyit.org">疯狂Java联盟</a>
 * <br/>Copyright (C), 2001-2016, Yeeku.H.Lee
 * <br/>This program is protected by copyright laws.
 * <br/>Program Name:
 * <br/>Date:
 * @author  Yeeku.H.Lee kongyeeku@163.com
 * @version  1.0
 */
public class Chinese
    implements Person,InitializingBean
{
    private Axe axe;
    private String name;
    public Chinese()
    {
        System.out.println("Spring实例化主调bean：Chinese实例...");
    }
    public void setAxe(Axe axe)
    {
        this.axe = axe;
    }
    public void setName(String name)
    {
        System.out.println("Spring执行setName()方法注入依赖关系...");
        this.name = name;
    }
    public void useAxe()
    {
        System.out.println(name + axe.chop());
    }
    // 定义两个生命周期方法
    public void init()
    {
        System.out.println("正在执行初始化方法   init...");
    }
    public void afterPropertiesSet()
    {
           System.out.println("正在执行初始化方法  afterPropertiesSet...");
    }
}

package org.crazyit.app.service.impl;

import org.crazyit.app.service.*;
/**
 * Description:
 * <br/>网站: <a href="http://www.crazyit.org">疯狂Java联盟</a>
 * <br/>Copyright (C), 2001-2016, Yeeku.H.Lee
 * <br/>This program is protected by copyright laws.
 * <br/>Program Name:
 * <br/>Date:
 * @author  Yeeku.H.Lee kongyeeku@163.com
 * @version  1.0
 */
public class SteelAxe implements Axe
{
    public SteelAxe()
    {
        System.out.println("Spring实例化依赖bean：SteelAxe实例...");
    }
    public String chop()
    {
        return "钢斧砍柴真快";
    }
}

package org.crazyit.app.util;

import org.springframework.beans.BeansException;
import org.springframework.beans.factory.config.BeanFactoryPostProcessor;
import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;

/**
 * Description:
 * <br/>网站: <a href="http://www.crazyit.org">疯狂Java联盟</a>
 * <br/>Copyright (C), 2001-2016, Yeeku.H.Lee
 * <br/>This program is protected by copyright laws.
 * <br/>Program Name:
 * <br/>Date:
 * @author  Yeeku.H.Lee kongyeeku@163.com
 * @version  1.0
 */
public class MyBeanFactoryPostProcessor
    implements BeanFactoryPostProcessor
{
    /**
     * 重写该方法，对Spring进行后处理。
     * @param beanFactory Spring容器本身
     */
    public void postProcessBeanFactory(
        ConfigurableListableBeanFactory beanFactory)
        throws BeansException
    {
        System.out.println("程序对Spring所做的BeanFactory的初始化没有改变...");
        System.out.println("Spring容器是：" + beanFactory);
    }
}