Search icon CANCEL
Arrow left icon
Explore Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Conferences
Free Learning
Arrow right icon
Arrow up icon
GO TO TOP
Spring 5.0 Cookbook

You're reading from   Spring 5.0 Cookbook Recipes to build, test, and run Spring applications efficiently

Arrow left icon
Product type Paperback
Published in Sep 2017
Publisher Packt
ISBN-13 9781787128316
Length 670 pages
Edition 1st Edition
Languages
Tools
Arrow right icon
Author (1):
Arrow left icon
Sherwin John C. Tragura Sherwin John C. Tragura
Author Profile Icon Sherwin John C. Tragura
Sherwin John C. Tragura
Arrow right icon
View More author details
Toc

Table of Contents (14) Chapters Close

Preface 1. Getting Started with Spring FREE CHAPTER 2. Learning Dependency Injection (DI) 3. Implementing MVC Design Patterns 4. Securing Spring MVC Applications 5. Cross-Cutting the MVC 6. Functional Programming 7. Reactive Programming 8. Reactive Web Applications 9. Spring Boot 2.0 10. The Microservices 11. Batch and Message-Driven Processes 12. Other Spring 5 Features 13. Testing Spring 5 Components

Creating Mono<T> and Flux<T> HTTP response


The Spring WebFlux paradigm will not be complete without the @Controller returning Mono<T> and Flux<T> stream data.

Getting started

Add in project ch08 a set of request handlers that returns on the client Mono<T> and Flux<T> through @ResponseBody annotation.

How to do it...

After using Reactor Core specification to build the service layer, let us apply Mono<T> and Flux<T> streams to @Controllers by doing these steps:

  1. Open the ServiceController of the previous recipe again and add the following request handler showcasing the use of Reactor Stream operations:
@RequestMapping(value="/web/employeeNames.json",  
produces ="application/json", 
method = RequestMethod.GET,  
headers = {"Accept=text/xml, application/json"}) 
@ResponseBody 
public Callable<List<String>> jsonEmpNames(){ 
      Callable<List<String>> task =  
new Callable<List<String>>() { 
 
         @Override 
...
lock icon The rest of the chapter is locked
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Renews at €18.99/month. Cancel anytime