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import org.springframework.context.ApplicationEvent; /** * 定义事件信息 * @author new * */ public class MessageEvent extends ApplicationEvent { private String message; public void setMessage(String message){ this.message = message; } public String getMessage(){ return message; } public MessageEvent(Object source, String message) { super(source); this.message = message; // TODO Auto-generated constructor stub } private static final long serialVersionUID = 1L; } |
import org.springframework.beans.BeansException; import org.springframework.context.ApplicationContext; import org.springframework.context.ApplicationContextAware; import org.springframework.context.support.FileSystemXmlApplicationContext; public class Publisher implements ApplicationContextAware { private ApplicationContext context; @Override public void setApplicationContext(ApplicationContext arg0) throws BeansException { // TODO Auto-generated method stub this.context = arg0; } public void publish(String message){ context.publishEvent(new MessageEvent(this,message)); } public static void main(String[] args) { ApplicationContext ctx = new FileSystemXmlApplicationContext("src/applicationContext.xml"); Publisher pub = (Publisher) ctx.getBean("publisher"); pub.publish("Hello World!"); pub.publish("The quick brown fox jumped over the lazy dog"); } } |
import org.springframework.context.ApplicationEvent; import org.springframework.context.ApplicationListener; public class MessageEventListener implements ApplicationListener { @Override public void onApplicationEvent(ApplicationEvent event) { // TODO Auto-generated method stub if(event instanceof MessageEvent){ MessageEvent msEvent = (MessageEvent)event; System.out.println("Received: " + msEvent.getMessage()); } } } |
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