Spring REST: ساخت میکروسرویس‌های جاوا و برنامه‌های ابری

Design and develop Java-based RESTful APIs using the latest versions of the Spring MVC and Spring Boot frameworks. This book walks you through the process of designing and building a REST application while delving into design principles and best practices for versioning, security, documentation, error handling, paging, and sorting. Spring REST provides a brief introduction to REST, HTTP, and web infrastructure. You will learn about several Spring projects such as Spring Boot, Spring MVC, Spring Data JPA, and Spring Security, and the role they play in simplifying REST application development. You will learn how to build clients that consume REST services. Finally, you will learn how to use the Spring MVC test framework to unit test and integration test your REST API. After reading this book, you will come away with all the skills to build sophisticated REST applications using Spring technologies. What You Will Learn Build Java-based microservices, native cloud, or any applications using Spring REST Employ Spring MVC and RESTful Spring Build a QuickPoll application example Document REST services, as well as versioning, paging, and sorting Test, handle errors and secure your application Who This Book Is For Intermediate Java programmers with at least some prior experience with Spring and web/cloud application development. Table of Contents About the Authors About the Technical Reviewer Acknowledgments Introduction Chapter 1: Introduction to REST What Is REST? Understanding Resources Identifying Resources URI Templates Representation HTTP Methods Safety Idempotency GET HEAD DELETE PUT POST PATCH HTTP Status Codes Richardson’s Maturity Model Level Zero Level One Level Two Level Three Building a RESTful API Summary Chapter 2: Spring Web MVC Primer Spring Overview Dependency Injection Aspect-Oriented Programming Spring Web MVC Overview Model View Controller Pattern Spring Web MVC Architecture Spring Web MVC Components Controller Model View @RequestParam @RequestMapping @RequestMapping Shortcut Annotations Path Variables View Resolver Exception Handler Interceptors Summary Chapter 3: RESTful Spring Generating a Spring Boot Project Installing a Build Tool Generating a Project Using start.spring.io Generating a Project Using STS Generating a Project Using the CLI Accessing REST Applications Postman RESTClient Summary Chapter 4: Beginning QuickPoll Application Introducing QuickPoll Designing QuickPoll Resource Identification Resource Representation Endpoint Identification Action Identification QuickPoll Architecture Implementing QuickPoll Domain Implementation Repository Implementation Embedded Database API Implementation PollController Implementation VoteController Implementation ComputeResultController Implementation Summary Chapter 5: Error Handling QuickPoll Error Handling Error Responses Input Field Validation Externalizing Error Messages Improving RestExceptionHandler Summary Chapter 6: Documenting REST Services Swagger Integrating Swagger Swagger UI Customizing Swagger Configuring Controllers Summary Chapter 7: Versioning, Paging, and Sor ting Versioning Versioning Approaches URI Versioning URI Parameter Versioning Accept Header Versioning Custom Header Versioning Deprecating an API QuickPoll Versioning SwaggerConfig Pagination Page Number Pagination Limit Offset Pagination Cursor-Based Pagination Time-Based Pagination Pagination Data QuickPoll Pagination Changing Default Page Size Sor ting Sort Ascending or Sort Descending QuickPoll Sorting Summary Chapter 8: Security Securing REST Services Session-Based Security HTTP Basic Authentication Digest Authentication Certificate-Based Security XAuth OAuth 2.0 OAuth Client Profiles Refresh Tokens versus Access Tokens Spring Security Overview Securing QuickPoll cURL User Infrastructure Setup UserDetailsService Implementation Customizing Spring Security Securing URI Summary Chapter 9: Clients and Testing QuickPoll Java Client RestTemplate Getting Polls Creating a Poll PUT Method DELETE Method Handling Pagination Handling Basic Authentication Testing REST Services Spring Test Unit Testing REST Controllers Spring MVC Test Framework Basics Unit Testing Using Spring MVC Test Framework Integration Testing REST Controllers Summary Chapter 10: HATEOAS HATEOAS JSON Hypermedia Types JSON Hypermedia Types HAL HATEOAS in QuickPoll Summary Index