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Spring 5.0 Projects: Build seven web development projects with Spring MVC, Angular 6, JHipster, WebFlux, and Spring Boot 2

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Profile Icon Nilang Patel
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NZ$71.99
Full star icon Full star icon Full star icon Empty star icon Empty star icon 3 (2 Ratings)
Paperback Feb 2019 442 pages 1st Edition
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Arrow left icon
Profile Icon Nilang Patel
Arrow right icon
NZ$71.99
Full star icon Full star icon Full star icon Empty star icon Empty star icon 3 (2 Ratings)
Paperback Feb 2019 442 pages 1st Edition
eBook
NZ$39.99 NZ$57.99
Paperback
NZ$71.99
Subscription
Free Trial
eBook
NZ$39.99 NZ$57.99
Paperback
NZ$71.99
Subscription
Free Trial

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Spring 5.0 Projects

Building a Reactive Web Application

We began our journey by exploring some of the basics of the Spring Framework and its module system in Chapter 1Creating an Application to List World Countries with their GDP. Let's leave all the new and advanced topics of Spring Framework for now and, in this chapter, look at one of the most popular topics: how to make highly scalable and responsive applications by adopting a reactive paradigm. 

The world of technology is migrating from blocking, synchronous, and thread-driven implementation to non-blocking, asynchronous, and event-based systems, which are resilient and capable of managing a very large volume of data with a consistent response time. This is the core concern addressed by a reactive system.

From the perspective of the programming model, Reactive Programming has influenced the paradigm shift from...

Technical requirements

Reactive system

The word reactive has become popular today and has different meanings for different people, such as lightweight, real time, asynchronous, streaming, and so on. Reactive, in broader terms, refers to a set of design techniques or principles, and is a way to consider the system architecture in a distributed environment. It comprises tooling, design methodologies, and implementation procedures. 

The analogy of a team can be used to describe a reactive system: individual players working with each other to achieve a desired goal. The interaction between the components is the main quality that differentiates a Reactive System from other systems. Components can operate individually or still work in harmony with others to achieve the intended result as a whole system. In other words, it is the system design that allows individual sub-applications to form...

Reactive Programming

Reactive Programming can be used to build a Reactive System. By definition, Reactive Programming is a programming practice or pattern that is aligned around the data flow and the propagation of the changes. The changes in data are automatically propagated by the underlying execution model through the data flow. 

To make it simple, Reactive Programming is a way to handle asynchronous data streams in a more effective manner. In other words, it is programming dealing with an asynchronous data stream, or it can be called the subset of asynchronous programming. Reactive Programming is a way of execution where new information will push the flow forward, rather than having the flow controlled by an execution thread.

The data stream is a series of business events that happen during the system execution, such as various keyboard or mouse events, HTML field...

Reactive Programming in Java

An asynchronous processing approach is a perfect fit while dealing with a huge volume of data or a large set of users. It will make the system responsive and improve the overall user experience. Implementing asynchronous processing in Java with the custom code would be cumbersome and harder to implement. Reactive Programming would be beneficial in this scenario.

Java doesn't provide native support for Reactive Programming like other JVM-based programming languages such as Scala or Clojure do. However, from version 9, Java has started supporting Reactive Programming natively. Apart from native support in Java 9, there are other implementation layers that help to achieve Reactive Programming with an older version of Java (such as Java 8). We will see a few of them, as follows.

...

Reactive support in Spring Framework

Spring is a modular framework and used to build every aspect of an application from the web to the persistence layer. Each module is considered as a sub-framework and targeted for a specific area of development. For example, to support a web layer with a servlet API,  the Spring MVC module was included in the Spring Framework. 

Similarly, to support a reactive stack in the web layer, Spring WebFlux was introduced in Spring Framework 5. It is fully non-blocking, backpressure, asynchronous, and compliant with Reactive Streams specifications. It can be run on Servlet 3.1+, Netty, and Undertow containers.

Spring Framework has both the stacks, Spring Web MVC and spring-WebFlux, and developers are free to use either of them, or in some scenarios to mix both of them to develop a Spring-based web application. The typical example...

Spring WebFlux application

We will create a sample web application with the WebFlux framework. The application will simply access existing student information from a data store. Instead of making a fully fledged application, we will focus more on how to access data in a reactive manner with the WebFlux framework.

We will use Spring Boot to kickstart the development. For those who are new to Spring Boot, it is a tool and part of Spring Horizon, which is designed to speed up and simplify the bootstrapping and development of new Spring-based applications.

You might have come across bulky XML and other configurations repeatedly in Spring projects. The Spring team was well aware of this and has finally developed a tool called Spring Boot, aimed at freeing the developer from providing a boilerplate configuration, which is not only tedious but time consuming.

We will create...

Summary

Reactive is definitely a promising new technology that will help to build a scalable and high-performance application. Spring has done an impressive job of supporting Reactive Systems with a new framework called WebFlux. Reactive is the future of next-generation applications, and it is needed almost everywhere: datastores, middle layers, frontends, or even mobile platforms.

Through this chapter, we learned the basics of Reactive Systems and Reactive Programming followed by various techniques to achieve it. We then learned about Reactive Streams, which is one of the most popular ways of implementing a Reactive System. Starting with the Reactive Streams specifications and the basic fundamentals, we explored various JVM-based libraries that provide an implementation for a particular specification. We did some hands-on work with RxJava and Project Reactor and learned the underlying...

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Key benefits

  • Take advantage of all the features of Spring 5.0 with third party tools to build a robust back end
  • Secure Spring based web application using Spring Security framework with LDAP and OAuth protocol
  • Develop robust and scalable microservice based applications on Spring Cloud, using Spring Boot

Description

Spring makes it easy to create RESTful applications, merge with social services, communicate with modern databases, secure your system, and make your code modular and easy to test. With the arrival of Spring Boot, developers can really focus on the code and deliver great value, with minimal contour. This book will show you how to build various projects in Spring 5.0, using its features and third party tools. We'll start by creating a web application using Spring MVC, Spring Data, the World Bank API for some statistics on different countries, and MySQL database. Moving ahead, you'll build a RESTful web services application using Spring WebFlux framework. You'll be then taken through creating a Spring Boot-based simple blog management system, which uses Elasticsearch as the data store. Then, you'll use Spring Security with the LDAP libraries for authenticating users and create a central authentication and authorization server using OAuth 2 protocol. Further, you'll understand how to create Spring Boot-based monolithic application using JHipster. Toward the end, we'll create an online book store with microservice architecture using Spring Cloud and Net?ix OSS components, and a task management system using Spring and Kotlin. By the end of the book, you'll be able to create coherent and ?exible real-time web applications using Spring Framework.

Who is this book for?

This book is for competent Spring developers who wish to understand how to develop complex yet flexible applications with Spring. You must have a good knowledge of Java programming and be familiar with the basics of Spring.

What you will learn

  • Build Spring based application using Bootstrap template and JQuery
  • Understand the Spring WebFlux framework and how it uses Reactor library
  • Interact with Elasticsearch for indexing, querying, and aggregating data
  • Create a simple monolithic application using JHipster
  • Use Spring Security and Spring Security LDAP and OAuth libraries for Authentication
  • Develop a microservice-based application with Spring Cloud and Netflix
  • Work on Spring Framework with Kotlin
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Publication date, Length, Edition, Language, ISBN-13
Publication date : Feb 28, 2019
Length: 442 pages
Edition : 1st
Language : English
ISBN-13 : 9781788390415
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Estimated delivery fee Deliver to New Zealand

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NZ$74.95
(Includes tracking information)

Product Details

Publication date : Feb 28, 2019
Length: 442 pages
Edition : 1st
Language : English
ISBN-13 : 9781788390415
Vendor :
Pivotal
Category :
Languages :
Tools :

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Table of Contents

8 Chapters
Creating an Application to List World Countries with their GDP Chevron down icon Chevron up icon
Building a Reactive Web Application Chevron down icon Chevron up icon
Blogpress - A Simple Blog Management System Chevron down icon Chevron up icon
Building a Central Authentication Server Chevron down icon Chevron up icon
An Application to View Countries and their GDP using JHipster Chevron down icon Chevron up icon
Creating an Online Bookstore Chevron down icon Chevron up icon
Task Management System Using Spring and Kotlin Chevron down icon Chevron up icon
Other Books You May Enjoy Chevron down icon Chevron up icon

Customer reviews

Rating distribution
Full star icon Full star icon Full star icon Empty star icon Empty star icon 3
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4 star 50%
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1 star 0%
Manikanta kumar Jun 08, 2023
Full star icon Full star icon Empty star icon Empty star icon Empty star icon 2
Sloppy writing.
Amazon Verified review Amazon
Anónimo Dec 06, 2020
Full star icon Full star icon Full star icon Full star icon Empty star icon 4
Not bad but not great either. For a 500 pages book this is not a bad deal but none of the 7 projects are explained deep enough to make the best out of this book. Furthermore, some code has no explanation and some comments are done over code that is not actually in the code snippet. I whish that this book had only 2 or 3 throughly explained projects and not 7 superficially explained. On the good side it covers (again, superficially) several technologies I didn't know about which greatly improves productivity like JHipster and integration of Spring with some other technologies that you never see paired with Spring like ElasticSearch. I'm still considering returning the book, I'll take another look at it and evaluate the pros and cons of keeping it.
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