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    Building a RESTful Web Service with Spring
    Building a RESTful Web Service with Spring
    Building a RESTful Web Service with Spring
    Ebook280 pages1 hour

    Building a RESTful Web Service with Spring

    By Dewailly Ludovic

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    About this ebook

    This book is intended for those who want to learn to build RESTful web services with the Spring Framework. To make the best use of the code samples included in the book, you should have a basic knowledge of the Java language.
    LanguageEnglish
    PublisherPackt Publishing
    Release dateOct 14, 2015
    ISBN9781785283192
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      Book preview

      Building a RESTful Web Service with Spring - Dewailly Ludovic

      Table of Contents

      Building a RESTful Web Service with Spring

      Credits

      About the Author

      About the Reviewers

      www.PacktPub.com

      Support files, eBooks, discount offers, and more

      Why subscribe?

      Free access for Packt account holders

      Preface

      What this book covers

      What you need for this book

      Who this book is for

      Conventions

      Reader feedback

      Customer support

      Downloading the example code

      Errata

      Piracy

      Questions

      1. A Few Basics

      REST principles

      Uniform interface

      Client-Server

      Stateless

      Cacheable

      Layered system

      Code on demand

      The Spring Framework and REST

      Our RESTful web service

      Architecture

      Data model

      Summary

      2. Building RESTful Web Services with Maven and Gradle

      Apache Maven

      Dependency management in Apache Maven

      Gradle

      Dependency management in Gradle

      The structure of our sample web service

      The anatomy of a Service Module

      Local versus Remote Service Invocations

      Developing RESTful web services

      Working with your favorite IDE

      Making services executable

      Starting services with Maven

      Summary

      3. The First Endpoint

      The Inventory service

      REST and the MVC pattern

      Request mapping

      Path mapping

      HTTP method mapping

      Request parameter mapping

      Running the service

      A few words on data representation

      Summary

      4. Data Representation

      The Data-Transfer-Object design pattern

      The API response format

      The envelope format

      Error management

      Pagination support

      Customizing JSON responses

      API evolutions

      HATEOAS

      Versioning strategies

      URI versioning

      Representation versioning

      Other approaches

      Summary

      5. CRUD Operations in REST

      Mapping CRUD operations to HTTP methods

      Creating resources

      Quickly testing endpoints

      JSON versus form data

      Updating resources

      The update endpoint

      Testing update requests

      Deleting resources

      Overriding the HTTP method

      Summary

      6. Performance

      HTTP compression

      Content negotiation

      gzip or deflate?

      gzip compression in RESTful web services

      Spring Boot

      HTTP caching

      Cache-Control

      Private/Public caching

      No caching

      ETags

      Last-Modified/If-Modified-Since headers

      Room availability

      An overview of implementation

      The REST resource

      Adding HTTP caching

      Caching with ETags

      Summary

      7. Dealing with Security

      The booking service

      The REST resource

      Authentication

      HTTP Basic authentication

      Using Basic authentication with Spring

      HTTP Digest authentication

      Token-based authentication

      Other authentication methods

      Authorization

      Authorization with Spring

      URL mapping

      Resource annotations

      Input validation

      Java Bean annotations

      Regular expressions

      Validating bookings

      Encryption

      Storing sensitive data

      Summary

      8. Testing RESTful Web Services

      Unit testing Spring controllers

      Mocking

      Simple mocking

      Implementation stubbing with a mocking library

      Mockito and Spring

      Testing security

      Integration testing

      Continuous delivery

      Integration tests with Spring Boot

      Postman

      Postman and security

      Other forms of testing

      User Acceptance Testing

      Load testing

      Summary

      9. Building a REST Client

      The basic setup

      Declaring a client

      Remote versus local clients

      Availability and booking services

      Handling security

      The Basic authentication

      The Digest authentication

      HTTP public key pinning

      Exception handling

      Summary

      10. Scaling a RESTful Web Service

      Clustering

      Scaling up versus scaling out

      The benefits of clustered systems

      Load balancing

      Linear scalability

      Distributed caching

      Data-tier caching

      First-level caching

      Second-level caching

      Application-tier caching

      Asynchronous communication

      Summary

      Index

      Building a RESTful Web Service with Spring

      Building a RESTful Web Service with Spring

      Copyright © 2015 Packt Publishing

      All rights reserved. No part of this book may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, without the prior written permission of the publisher, except in the case of brief quotations embedded in critical articles or reviews.

      Every effort has been made in the preparation of this book to ensure the accuracy of the information presented. However, the information contained in this book is sold without warranty, either express or implied. Neither the author, nor Packt Publishing, and its dealers and distributors will be held liable for any damages caused or alleged to be caused directly or indirectly by this book.

      Packt Publishing has endeavored to provide trademark information about all of the companies and products mentioned in this book by the appropriate use of capitals. However, Packt Publishing cannot guarantee the accuracy of this information.

      First published: October 2015

      Production reference: 1081015

      Published by Packt Publishing Ltd.

      Livery Place

      35 Livery Street

      Birmingham B3 2PB, UK.

      ISBN 978-1-78528-571-4

      www.packtpub.com

      Credits

      Author

      Ludovic Dewailly

      Reviewers

      Fabricio Silva Epaminondas

      Greg L. Turnquist

      Commissioning Editor

      Pratik Shah

      Acquisition Editor

      Ruchita Bhansali

      Content Development Editor

      Nikhil Potdukhe

      Technical Editor

      Menza Mathew

      Copy Editor

      Angad Singh

      Project Coordinator

      Izzat Contractor

      Proofreader

      Safis Editing

      Indexer

      Rekha Nair

      Production Coordinator

      Aparna Bhagat

      Cover Work

      Aparna Bhagat

      About the Author

      Ludovic Dewailly is a senior, hands-on software engineer and development manager with over 12 years of experience in designing and building software solutions on platforms ranging from resource-constrained mobile devices to cloud-computing systems. He is currently helping FancyGiving.com (a social shopping, wishing, and gifting platform) design and build their system. Ludovic's interests lie in software architecture and tackling the challenges of web scale.

      I would like to thank my fiancée, Gaia, for helping me find the time to work on this book, and for dealing with my testiness after late-night writing sessions. I would also like to thank Neil Emerick from NightsBridge (http://www.nightsbridge.co.za) for providing me with the idea and concepts behind the sample RESTful web service that outlines this book.

      Also, I would like to give gratitude to Chris Laffra and Michael Van Meekeren from the defunct Object Technology International, who gave me my first taste of commercial software development.

      Finally, I wish to thank Nikhil Potdukhe and Menza Mathew from Packt Publishing for guiding me and helping me convert the original concept of this project into an actual book.

      About the Reviewers

      Fabricio Silva Epaminondas has a degree in computer science and a solid background in software development, testing, and engineering. He has been an agile and quality enthusiast for more than 10 years with working experience in the field, having held several roles in fields ranging from project management to software architecture and team leadership.

      Fabricio has also worked with mobile, web, and cloud technologies for research institutes and big companies in Brazil and other countries. There, he developed fast and scalable software solutions in the segments of e-commerce, enterprise integration, corporate governance, and innovative solutions.

      Fabricio is the technical author of the blog, fabricioepa.wordpress.com. You can find out more about his professional profile at br.linkedin.com/in/fabricioepa.

      I would like to thank my blessed wife, Buna Suellen, who fully supported me during the production of this book.

      Greg L. Turnquist (@gregturn) has developed software professionally since 1997. From 2002-2010, he was the lead developer for Harris's $3.5 billion FAA telecommunications program, architecting mission-critical enterprise apps while managing a software team.

      In 2010, he joined the Spring team that is now a key part of the start-up company, Pivotal. As a test-bitten script junky, Spring Pro, and JavaScript padawan, Greg works on the Spring Data team while also running the Nashville JUG.

      In 2014, he wrote his most recent technical book, Learning Spring Boot, for Packt Publishing. He is passionate about application development, writing (fiction and non-fiction), and coffee.

      You can read his blog at http://blog.GregLTurnquist.com, and also sign up for his newsletter.

      www.PacktPub.com

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