demo.md

Spring RESTBucks demo

Setup

• git checkout demo-start

Introduction

• Maven project, Lombok
• Spring 3.2, JavaConfig, Servlet 3
• Order slice, payment slice

Spring Data

• Show Order class, OrderRepository
• Show integration test
• Show @EnableJpaRepositories
• Explain proxy-mechanism, CRUD, finder methods, IDE support

Spring Data REST

• Show WebApplicationInitializer, RepositoryRestMvcConfiguration
• Bootstrap app via mvn jetty:run
• Show resource exported, navigate to orders, show finder method execution: http://localhost:8080/orders/search/findByStatus?status=PAYMENT_EXPECTED
• Note: future enhancement - link templates
• Show http://localhost:8080/orders/schema

Hypermedia I

• Enable CoreOrderResourceProcessor
• Enable OrderControllerEventListener
• Show cancel and update links are added, explain DELETE gets prevented

REST Shell

Payment process

• Explain PaymentService
• Explain PaymentController (esp. submitPayment(…))
• Hook link into Order resource if Order is in PAYMENT_EXPECTED state
• Show PaymentOrderResourceProcessor

SpringMVC Test

• Integration tests required Servlet container running
• Spring 3.2 introduced MVC test framework (mocks for ServletContext, HttpServletRequest, …Response)
• Show PaymentProcessIntegrationTest.beforeClass(…)
• Walk through processNewOrder(…)