Reactive Applications with Spring WebFlux Framework
- Descrição
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In this video course you will learn how to create Reactive and Non-blocking applications with Spring WebFlux framework.
This course is perfect for beginners and will start with the basics of Spring WebFlux.
You will learn:
– What Reactive programming is and how it is different from an imperative programming style,
– The key differences between the traditional, blocking Spring WebMVC and the non-blocking, Reactive Spring WebFlux applications,
– To create reactive RESTful Web Service application that handles different types of HTTP requests,
– Write and read information from a database in a reactive, non-blocking way.
As you progress through the course, you will learn how to:
– Use Spring Security to protect your Spring WebFlux application,
– Implement user login(authentication),
– Generate and use JSON Web Tokens (JWT) for secure communication
– Validate JWT and read token claims,
– Use method-level security annotations to perform authorization.
You will also learn how to add pagination and read database records in smaller chunks to improve performance.
All important concepts are explained using simple, easy-to-follow slides. The source code is provided, so you can download it and follow along with each lesson.
This course also includes helpful quiz questions to test your knowledge as you go. Plus, there is an active Q&A section where you can get answers to all your questions
By the end of this course, you’ll be able to create fast, secure, and scalable Reactive applications with Spring WebFlux.
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14
Java Development Environment & IntelliJ IDEA Ultimate Edition Licence -
15
Creating a new Reactive Spring Boot project -
16
Configure H2 database support in Reactive Spring Boot application
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17
Creating a Database schema
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18
Configuration class to start and stop H2 console web server
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19
Login to H2 database
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20
Introduction to presentation layer
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21
@RestController: Creating and configure the RestController class
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22
@PostMapping: Handle HTTP Post request
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23
@RequestBody: Reading HTTP Request Body
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24
@Validated: Validating HTTP Request body
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25
Trying if validation works
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26
Mono: Returning a single String value in HTTP Response body
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27
Mono: Returning a User object in HTTP Response body
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28
ResponseEntity: Returning custom HTTP status code
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29
@GetMapping: Handle HTTP GET Request
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30
Flux: Returning multiple objects in HTTP Response body
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31
@RequestParam: Reading URL Query String Parameters
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36
Introduction to Service layer in Reactive Spring WebFlux application
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37
Creating a Service class
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38
Implementing the createUser() method
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39
Invoke createUser() method from a method in the Rest Controller class
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40
Create User: Trying how it works
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Returning Details of a Single User
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42
Get User: Trying how it works
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48
Handling one specific exception with onErrorMap() in Spring WebFlux
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49
Handling multiple exceptions with onErrorMap() in Spring WebFlux
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50
Introduction to Global Exception Handling in Spring
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51
@RestControllerAdvice and @ExceptionHandler in reactive application
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52
Trying how Controller Advice works
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53
Formatting Bean validation errors in Spring WebFlux application
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54
Trying how custom bean validation error responses work in Spring WebFlux
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61
Creating Authentication Request class
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62
Creating /login API endpoint
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63
Accessing /login API endpoint
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64
Reactive UserDetailsService
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65
Reactive AuthenticationManager
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66
Creating Authentication Service
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67
Implementing authenticate() method
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68
Invoke AuthenticationService from AuthenticationController
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69
Register Reactive Authentication Manager with Authentication Filter
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70
Trying if authenticate() method works
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71
onErrorReturn - Handle Unsuccessful User Authentication
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72
Other onError operators
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73
Global Error Handling - Handle Unsuccessful User Authentication
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74
Handle Unsuccessful User Authentication - Trying how it works
