Developing Java Applications with Spring and Spring Boot

Producing comments

Having written the code to display comments, it's now time to craft the bits to create them.

We've already seen the changes to our template adding an HTML form to write a comment. Let's code the corresponding controller in the comments subpackage, as follows:

 @Controller public class CommentController { private final RabbitTemplate rabbitTemplate; public CommentController(RabbitTemplate rabbitTemplate) { this.rabbitTemplate = rabbitTemplate; } @PostMapping("/comments") public Mono<String> addComment(Mono<Comment> newComment) { return newComment.flatMap(comment -> Mono.fromRunnable(() -> rabbitTemplate .convertAndSend( "learning-spring-boot", "comments.new", comment))) .log("commentService-publish") .then(Mono.just("redirect:/")); ...