package com.tutorialspoint;
import org.springframework.context.ApplicationEvent;
public class CustomEvent extends ApplicationEvent{
public CustomEvent(Object source) {
super(source);
}
public String toString(){
return "My Custom Event";
}
}
下面是 CustomEventPublisher.java 文件的內(nèi)容:
package com.tutorialspoint;
import org.springframework.context.ApplicationEventPublisher;
import org.springframework.context.ApplicationEventPublisherAware;
public class CustomEventPublisher
implements ApplicationEventPublisherAware {
private ApplicationEventPublisher publisher;
public void setApplicationEventPublisher
(ApplicationEventPublisher publisher){
this.publisher = publisher;
}
public void publish() {
CustomEvent ce = new CustomEvent(this);
publisher.publishEvent(ce);
}
}
下面是 CustomEventHandler.java 文件的內(nèi)容:
package com.tutorialspoint;
import org.springframework.context.ApplicationListener;
public class CustomEventHandler
implements ApplicationListener<CustomEvent>{
public void onApplicationEvent(CustomEvent event) {
System.out.println(event.toString());
}
}
下面是 MainApp.java 文件的內(nèi)容:
package com.tutorialspoint;
import org.springframework.context.ConfigurableApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
public class MainApp {
public static void main(String[] args) {
ConfigurableApplicationContext context =
new ClassPathXmlApplicationContext("Beans.xml");
CustomEventPublisher cvp =
(CustomEventPublisher) context.getBean("customEventPublisher");
cvp.publish();
cvp.publish();
}
}
更多建議: