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Building RESTful Web Services in Spring 5 with Maven

In this chapter, we will build a simple REST web service that returns Aloha. Before moving to the implementation, we will focus on what components are involved in creating a RESTful web service. In this chapter, we will cover the following topics:

Building a RESTful web service with Apache Maven
Using the Eclipse IDE or STS for Spring REST project
Creating a new project in Eclipse/STS
Running and testing our REST API

Key benefits

Follow best practices and explore techniques such as clustering and caching to achieve a reactive, scalable web service.

Leverage the Spring Framework to quickly implement RESTful endpoints.

Learn to implement a client library for a RESTful web service using the Spring Framework along with the new front end framework.

Description

REST is an architectural style that tackles the challenges of building scalable web services. In today's connected world, APIs have taken a central role on the web. APIs provide the fabric through which systems interact, and REST has become synonymous with APIs.The depth, breadth, and ease of use of Spring makes it one of the most attractive frameworks in the Java ecosystem. Marrying the two technologies is therefore a very natural choice.This book takes you through the design of RESTful web services and leverages the Spring Framework to implement these services. Starting from the basics of the philosophy behind REST, you'll go through the steps of designing and implementing an enterprise-grade RESTful web service. Taking a practical approach, each chapter provides code samples that you can apply to your own circumstances.This second edition brings forth the power of the latest Spring 5.0 release, working with MVC built-in as well as the front end framework. It then goes beyond the use of Spring to explores approaches to tackle resilience, security, and scalability concerns. Improve performance of your applications with the new HTTP 2.0 standards. You'll learn techniques to deal with security in Spring and discover how to implement unit and integration test strategies.Finally, the book ends by walking you through building a Java client for your RESTful web service, along with some scaling techniques using the new Spring Reactive libraries.

Who is this book for?

This book is intended for those who want to learn to build RESTful web services with the latest Spring 5.0 Framework. To make best use of the code samples included in the book, you should have a basic knowledge of the Java language. Previous experience with the Spring Framework would also help you get up and running quickly.

What you will learn

Deep dive into the principles behind REST

Expose CRUD operations through RESTful endpoints with the Spring Framework

Devise response formats and error handling strategies, offering a consistent and flexible structure to simplify integration for service consumers

Follow the best approaches for dealing with a service s evolution while maintaining backward compatibility

Understand techniques to secure web services

Comply with the best ways to test RESTful web services, including tips for load testing

Optimise and scale web services using techniques such as caching and clustering

What do you get with eBook?

Instant access to your Digital eBook purchase

Download this book in EPUB and PDF formats

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Arnold Graaff Oct 13, 2018

I think it is fair to say that you should know Java at an intermediate level before reading this book. At this level, you should already know how to download and set up an IDE. I do not expect the author to explain to me how to set up a development environment. I always trust that the official site of Spring Tool Suite will have the latest information with regards to setting it up - let the author focus on his subject.With any IT book, it is fair to assume that the accompanying source code could be a little bit ahead of the contents of the book, especially if it is a paper copy, so I rely quite heavily on that and I found the source code worked perfectly well. I take the approach of loading the source code first in my IDE, so I can refer to it while reading the book. I had to make sure my Java environment was set up correctly to Java 11 (10) and then every project worked nicely.When reading a book like this I recommend that one should not feel obliged to read it in sequence. I noticed that the last chapter was a great summary and practical implementation of all the concepts taught in previous chapters, so I started with it and it showed me everything in a practical format. Then I read every chapter in sequence from the beginning and it made sense 100 %.Overall I found that the author covered all the relevant topics required to master Web API development in Spring Framework well and I am satisfied and this was really time well spent for me. I think a good follow-up book would be on consuming this API in Angular or another JavaScript API.

Amazon Verified review

Luka Moilinga Sep 30, 2023

Ease of reading and the examples. Learning Spring projects

David Paul Mar 25, 2018

Some chapters are really simplified to explain Spring concepts, especially JWT and other chapters. The last chapter is very heavy, it could have been divided into two chapters.Overall, the book conveys Spring in a simple manner.Good:Initial Spring concepts are good withJWT concepts are goodFull CRUD operations are good in the final chapterLearned more about Postman and other important toolsJava 9.0 nicely usedNeed improvements:Some chapters are heavy

Damon Farnham Mar 21, 2018

Very disappointed with this book. Poorly written. Got so frustrated by about half way through Chapter 4, I just gave up, closed the book ... never to be opened again. Unfortunately, I highlighted some content in the first three chapters, so I can't return it. Alas.Chief Complaints:* Lacks instructions to setup development environment* I had to add two maven.compiler dependencies to the POM.xml file to get their source files to build correctly* Source code snippets in the chapters are not clearly associated with the source file they belong to* Source code examples in Chapter 4 text are different than source code provided in Chapter 3 source files (e.g. Server.java)* Too many content sections that are only a paragraph or two deep* Poor writing overallI found it exceedingly frustrating working through the first four chapters. The content is poorly organized. They didn't use captions (e.g. Figure 1) to label code snippets, screen shots, etc. Just a mess.I took a chance and purchased a book that had not been reviewed yet ... and got burned.

Raman Kr. Rai Jun 16, 2018

Good but less than expectations.

Building RESTful Web Services with Spring 5: Leverage the power of Spring 5.0, Java SE 9, and Spring Boot 2.0 , Second Edition

What do you get with eBook?

Building RESTful Web Services with Spring 5

Building RESTful Web Services in Spring 5 with Maven

Apache Maven

Developing RESTful web services

Creating a project base

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