CommonAnnotationBeanPostProcessor (@Resource @PostConstructor @PreDestroy)

AutowiredAnnotationBeanPostProcessor (@Autowired @Value)

GenericApplicationContext是一个干净的容器，它没有添加任何的PostProcessor处理器。

调用GenericApplicationContext.refresh()方法，会执行beanFactory后处理器，添加bean后处理器,初始化所有单例。

package com.xkj.org.a04;import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;import javax.annotation.PostConstruct;
import javax.annotation.PreDestroy;
import javax.annotation.Resource;public class Bean1 {private static final Logger log = LoggerFactory.getLogger(Bean1.class);private Bean2 bean2;@Autowiredpublic void setBean2(Bean2 bean2) {log.debug("@Autowired 生效：{}", bean2);this.bean2 = bean2;}private Bean3 bean3;@Resourcepublic void setBean3(Bean3 bean3) {log.debug("@Resource 生效：{}", bean3);this.bean3 = bean3;}private String home;@Autowiredprivate void setHome(@Value("${JAVA_HOME}") String home) {log.debug("@Value 生效：{}", home);this.home = home;}@PostConstructpublic void init() {log.debug("@PostConstruct 生效");}@PreDestroypublic void destroy() {log.debug("@PreDestroy 生效");}@Overridepublic String toString() {return "Bean1{" +"bean2=" + bean2 +", bean3=" + bean3 +", home='" + home + '\'' +'}';}
}

package com.xkj.org.a04;public class Bean2 {
}

package com.xkj.org.a04;public class Bean3 {
}

package com.xkj.org.a04;import org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor;
import org.springframework.context.annotation.CommonAnnotationBeanPostProcessor;
import org.springframework.context.annotation.ContextAnnotationAutowireCandidateResolver;
import org.springframework.context.support.GenericApplicationContext;public class A04AppllicationContext {public static void main(String[] args) {GenericApplicationContext context = new GenericApplicationContext();//注册三个beancontext.registerBean("bean1", Bean1.class);context.registerBean("bean2", Bean2.class);context.registerBean("bean3", Bean3.class);context.getDefaultListableBeanFactory().setAutowireCandidateResolver(new ContextAnnotationAutowireCandidateResolver());//@Autowired @Valuecontext.registerBean(AutowiredAnnotationBeanPostProcessor.class);//@Resource @PostConstruct @PreDestroycontext.registerBean(CommonAnnotationBeanPostProcessor.class);//执行beanFactory后置处理器，添加bean后处理器，初始化所有单例context.refresh();context.close();}}

ConfigurationPropertiesBindingPostProcessor

package com.xkj.org.a04;import org.springframework.boot.context.properties.ConfigurationProperties;@ConfigurationProperties(prefix = "java")
public class Bean4 {private String home;private String version;public String getHome() {return home;}public void setHome(String home) {this.home = home;}public String getVersion() {return version;}public void setVersion(String version) {this.version = version;}@Overridepublic String toString() {return "Bean4{" +"home='" + home + '\'' +", version='" + version + '\'' +'}';}
}

package com.xkj.org.a04;import org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor;
import org.springframework.boot.context.properties.ConfigurationPropertiesBindingPostProcessor;
import org.springframework.context.annotation.CommonAnnotationBeanPostProcessor;
import org.springframework.context.annotation.ContextAnnotationAutowireCandidateResolver;
import org.springframework.context.support.GenericApplicationContext;public class A04AppllicationContext {public static void main(String[] args) {GenericApplicationContext context = new GenericApplicationContext();//注册三个beancontext.registerBean("bean1", Bean1.class);context.registerBean("bean2", Bean2.class);context.registerBean("bean3", Bean3.class);context.registerBean("bean4", Bean4.class);context.getDefaultListableBeanFactory().setAutowireCandidateResolver(new ContextAnnotationAutowireCandidateResolver());//@Autowired @Valuecontext.registerBean(AutowiredAnnotationBeanPostProcessor.class);//@Resource @PostConstruct @PreDestroycontext.registerBean(CommonAnnotationBeanPostProcessor.class);//ConfigurationPropertiesConfigurationPropertiesBindingPostProcessor.register(context.getDefaultListableBeanFactory());//执行beanFactory后置处理器，添加bean后处理器，初始化所有单例context.refresh();System.out.println("bean4="+context.getBean(Bean4.class));context.close();}}