spring boot event example

MD MOHOSIN MIAH answered on September 15, 2023 Popularity 7/10 Helpfulness 1/10

answer spring boot event example

spring boot event example

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import org.springframework.context.ApplicationEvent;

public class EmailRegistrationEvent extends ApplicationEvent {
    private final String email;

    public EmailRegistrationEvent(Object source, String email) {
        super(source);
        this.email = email;
    }

    public String getEmail() {
        return email;
    }
}


import org.springframework.context.ApplicationEvent;

public class PromotionEvent extends ApplicationEvent {
    private final String promotionMessage;

    public PromotionEvent(Object source, String promotionMessage) {
        super(source);
        this.promotionMessage = promotionMessage;
    }

    public String getPromotionMessage() {
        return promotionMessage;
    }
}


import org.springframework.context.ApplicationEventPublisher;
import org.springframework.stereotype.Component;

@Component
public class EventPublisher {
    private final ApplicationEventPublisher eventPublisher;

    public EventPublisher(ApplicationEventPublisher eventPublisher) {
        this.eventPublisher = eventPublisher;
    }

    public void publishEmailRegistrationEvent(String email) {
        EmailRegistrationEvent event = new EmailRegistrationEvent(this, email);
        eventPublisher.publishEvent(event);
    }

    public void publishPromotionEvent(String promotionMessage) {
        PromotionEvent event = new PromotionEvent(this, promotionMessage);
        eventPublisher.publishEvent(event);
    }
}



import org.springframework.context.ApplicationListener;
import org.springframework.stereotype.Component;

@Component
public class EmailRegistrationEventListener implements ApplicationListener<EmailRegistrationEvent> {
    @Override
    public void onApplicationEvent(EmailRegistrationEvent event) {
        String email = event.getEmail();
        System.out.println("Email Registration Event Received: " + email);
        // Add your email registration handling logic here (e.g., send a confirmation email)
    }
}



import org.springframework.context.ApplicationListener;
import org.springframework.stereotype.Component;

@Component
public class PromotionEventListener implements ApplicationListener<PromotionEvent> {
    @Override
    public void onApplicationEvent(PromotionEvent event) {
        String promotionMessage = event.getPromotionMessage();
        System.out.println("Promotion Event Received: " + promotionMessage);
        // Add your promotion handling logic here (e.g., send promotion notifications)
    }
}


import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.ConfigurableApplicationContext;

@SpringBootApplication
public class GenericEventApplication {
    public static void main(String[] args) {
        ConfigurableApplicationContext context = SpringApplication.run(GenericEventApplication.class, args);

        // Simulate email registration event
        EventPublisher eventPublisher = context.getBean(EventPublisher.class);
        eventPublisher.publishEmailRegistrationEvent("user@example.com");

        // Simulate promotion event
        eventPublisher.publishPromotionEvent("50% off on selected items!");

        // Close the application context
        context.close();
    }
}

Popularity 7/10 Helpfulness 1/10 Language java

Source: Grepper

Tags: java spring-boot

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Contributed on Sep 15 2023

MD MOHOSIN MIAH

0 Answers Avg Quality 2/10

spring boot event example

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