BeanFactoryAware and BeanAware

       
File: context.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="logging" class="LoggingBean"/>

    <bean class="ShutdownHookBean"/>

</beans>


File: Main.java

import org.springframework.beans.BeansException;
import org.springframework.beans.factory.BeanFactory;
import org.springframework.beans.factory.BeanFactoryAware;
import org.springframework.beans.factory.BeanNameAware;
import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;
import org.springframework.beans.factory.support.DefaultListableBeanFactory;
import org.springframework.beans.factory.xml.XmlBeanFactory;
import org.springframework.core.io.ClassPathResource;

public class Main {
  public static void main(String[] args) throws Exception {
    XmlBeanFactory factory = new XmlBeanFactory(new ClassPathResource(
        "context.xml"));

    factory.preInstantiateSingletons();
    LoggingBean lb = (LoggingBean) factory.getBean("logging");
    lb.run();
  }

}

class LoggingBean implements BeanNameAware {
  private String name;

  public void setBeanName(String name) {
    this.name = name;
  }

  public void run() {
    System.out.println("Bean name is'" + this.name + "'.");
  }
}
class ShutdownHookBean implements BeanFactoryAware, Runnable {
  private ConfigurableListableBeanFactory beanFactory;

  public void setBeanFactory(BeanFactory beanFactory) throws BeansException {
      if (beanFactory instanceof DefaultListableBeanFactory) {
          this.beanFactory = (ConfigurableListableBeanFactory)beanFactory;
          Runtime.getRuntime().addShutdownHook(new Thread(this));
      }
  }

  public void run() {
      if (this.beanFactory != null) {
          System.out.println("Destroying singletons.");
          this.beanFactory.destroySingletons();
      }
  }
}

Spring-BeanFactoryAware.zip( 2,599 k)

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1.	Create XmlBeanFactory from ClassPathResource
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BeanFactoryAware and BeanAware : XmlBeanFactory « Spring « Java

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