Visão Geral

Curso RESTful Web Services, ajuda os participantes a desenvolver uma experiência em Representational State Transfer (REST); o curso aborda tópicos como Projetar serviços REST, construir serviços JAX-RS, entender a injeção JAX-RS e outros aspectos importantes.

Objetivo

Após a conclusão do Curso RESTful Web Services, os participantes serão capazes de:

• Desenhar serviços RESTful
• Crie serviços JAX-RS
• Entenda a injeção JAX-RS
• Configurar negociação de conteúdo HTTP
• Escalar aplicativos JAX-RS
• Crie clientes RESTful
• Compare e contraste as implementações JAX-RS

Pre-Requisitos

• Os participantes devem ter conhecimento de desenvolvimento Java. Experiência em desenvolvimento Java EE é recomendada, porém não obrigatória.

Materiais

Conteúdo Programatico

Web Services Overview

Definition

• Legacy Systems
• Benefits of Web Services
• Architecture

Standards and Portability

• XML and Related Standards
• JSON
• HTTP

SOAP-Based Services

• Overview
• SOAP Messages, Requests, and Responses
• WSDL
• Java APIs and Programming Models

Introduction

Overview and Principles

• REST Characteristics
• Resources and Operations
• REST Principles
• Requests and Responses
• REST APIs
• URI Templates
• GET, POST, PUT, DELETE
• Safe and Idempotent Methods
• Comparison of REST and SOAP

Introduction to JAX-RS

APIs and Implementations

• JAX-RS Overview, Annotations
• JAX-RS Implementations

Runtime Environment

• Application Server, Servlet-Only Container
• Architectural and Implementation Perspectives
• Configuring the Application

Applications, Resources, and Providers

• JAX-RS Applications
• Resource Classes and @Path
• Provider Classes and @Provider
• Default Lifecycles
• The Application Class and rest-path

Ajax-JavaScript Clients

• Overview
• Classic vs. Ajax Interactions
• Working with Ajax-JavaScript

Resources and Requests

Resources and Sub-Resources Root Resource Classes, Resource Methods, Sub Resource Methods @GET, @POST, @PUT, @DELETE

• Sub Resource Locators
• Naming Conventions and Rules
• Dispatching Requests to Methods

Binding Request Data Request Data Injection and Conversion

• Default Values
• Fields vs. Method Parameters

Context-Based Injection

• Injection via @Context
• Context-Injectable Types
• Context Injection from the Web Container
• Fields vs. Method Parameters

HTTP Entities

Complex Content and Entities Working with Complex Content

• @Consumes and @Produces
• Content Negotiation
• Standard Entity Providers

Working with JSON Returning Data as JSON

• Working with JSON in JavaScript
• Processing JSON Responses

Working with XML JAXB and Mapping to XML

• Returning Data as XML
• Working with XML on the Client
• Customizing Content, Custom Media Types
• Working with Collections

XML vs. JSON

Responses

Response Class Return Types and HTTP Response Codes

• Appropriate Responses for HTTP Methods
• Choosing the Right Response

Error Handling Exception Mappers

• Web Application Exception
• Response vs. Thrown Exception
• Error Responses

Sub Resource Locators Motivation and Uses

• Locating the Locator
• Initializing the Sub Resource

Binary Content

• File, InputStream, StreamingOutput
• Using StreamingOutput

Java Client API

• Java Client – Options and Ingredients
• Building and Sending the Request
• Consuming the Response
• Options for the Response Data
• Asynchronous Requests

Integration with Java EE

Integration with EJB CDI – Contexts and Dependency Injection

• Activation, Scopes, and JAX-RS Lifecycles
• Injection in CDI-Enabled JAX-RS Applications
• Enhanced Java EE Lifecycl

Security

Java EE Security Overview

• Security Requirements in JAX-RS
• Declarative, Role-Based Security
• Security Constraints
• Annotation-Based Security Authentication
• Configuration
• Authentication Models: Basic, Digest, Client-Cert Programmatic Security
• Security Context
• Client Security HTTPS