Book Image

Building Web Apps with Spring 5 and Angular

By : Ajitesh Kumar Shukla
Book Image

Building Web Apps with Spring 5 and Angular

By: Ajitesh Kumar Shukla

Overview of this book

Spring is the most popular application development framework being adopted by millions of developers around the world to create high performing, easily testable, reusable code. Its lightweight nature and extensibility helps you write robust and highly-scalable server-side web applications. Coupled with the power and efficiency of Angular, creating web applications has never been easier. If you want build end-to-end modern web application using Spring and Angular, then this book is for you. The book directly heads to show you how to create the backend with Spring, showing you how to configure the Spring MVC and handle Web requests. It will take you through the key aspects such as building REST API endpoints, using Hibernate, working with Junit 5 etc. Once you have secured and tested the backend, we will go ahead and start working on the front end with Angular. You will learn about fundamentals of Angular and Typescript and create an SPA using components, routing etc. Finally, you will see how to integrate both the applications with REST protocol and deploy the application using tools such as Jenkins and Docker.
Table of Contents (18 chapters)
Title Page
Credits
About the Author
About the Reviewer
www.PacktPub.com
Customer Feedback
Preface

Example of consuming RESTful Spring web APIs 


In this section, you will learn about the different aspects of consuming Spring web APIs from custom Angular components and services, while demonstrating the user login functionality. The following will be illustrated:

  • Spring RESTful API for user login
  • Custom Angular component for managing login view
  • Custom Angular service for serving login functionality

Spring RESTful API for user login

In order to serve user login functionality from the server end, the following server-side components need to be developed:

  • RESTful controller exposing login API: The following is the code for @RestController serving the login API. The details around this is explained in one of the earlier sections. The login form, when submitted, are processed within the Angular component, LoginComponent, which invokes an API of a custom Angular data service such as LoginService. The LoginService API sends a POST request to the Spring RESTful API such as http://localhost:8080/account...