Java RESTful Services Essentials

Part 1: Working with REST

1. Overview of REST

• REpresentational State Transfer
• REST Characteristics
• REST Elements
• REST Architectural Principles
• REST and HTTP
• REST/HTTP: Representation-Oriented
• REST Design Principles
• Tutorial: Working with Eclipse Neon (JEE Version) and Tomcat 8.5

2.  Designing RESTful Services

• Effectively Designing RESTful Services
• Best Practices for Endpoint Definition
• Using Query Parameters
• Working with HTTP GET and DELETE
• Working with HTTP PUT
• Working with HTTP POST
• Best Practices for HTTP Methods
• Handling Additional Operations

Part 2: JAX-RS
1. Introduction to JAX-RS

• Understand some of the features of the JAX-RS framework
• Be familiar with process for implementing RESTful services
• Develop and deploy a simple REST service
• How JAXB supports XML interoperability
• How to use JAXB with JAX-RS
• Exercise: Introduction to JAX-RS

2.  @Path: URI Matching

• JAX-RS mechanisms for mapping URIs to resource
• How to use @Path expressions to map URIs
• How to use @Path expressions to extract values from URIs
• Exercise: URI Matching JAX-RS

3.  JAX-RS Content Negotiation

• JAX-RS built-in content handler
• How to inject content handlers into service
• Basics of working with JSO
• Capabilities for HTTP content negotiation
• JAX-RS mechanisms for supporting content negotiation
• Exercise: Content Negotiation

4. JAX-RS Request and Response

• How information about the request can be injected into the resource
• The different injection targets of the resource
• How to build a ‘complex’ response
• How to respond to a HTTP POST
• The JAX-RS exception hierarchy
• How exceptions can be mapped to response codes
• Exercise: The Reservation Service

5.  JAX-RS Client API

• Invoke a JAX-RS service using the client API
• Understand the purpose of the WebTarget object
• Dynamically resolve path template values
• Understand some of the return codes
• Filter client request and server responses
• Exercise: JAX-RS Clients

6. JAX-RS Filters and Interceptors

• Understand the purpose of JAX-RS filters
• Develop interceptors
• Define global filters and interceptors
• Dynamically add interceptors and filters
• Understand NameBinding
• Exercise: JAX-RS Filters and Interceptors

7. Asynchronous JAX-RS

• Make asynchronous requests
• Develop resources to process request asynchronously
• Exercise: Asynchronous JAX-RS

Part 3: Security and RESTful Services (Optional)
1. Securing Untrusted Input

• Input Data Attacks
• Protecting a Web Service
• Tenacious D
• Responding to Error State

2. Defending RESTful Services

• How Attackers See REST
• Factors that Increase Attack Surface
• Bridging and its Potential Problems
• Dangerous Developer Assumptions
• Three Basic Tenets for Safe REST

This is an intermediate level training course, designed for experienced Java developers and architects who need to:

• Identify, design, and implement web services. 
• Explore and apply the terminology, the specification, the processes and technologies specific to web services.

• Understand and apply the basic concepts of REST
• Understand and intelligently discuss the similarities and differences between RESTful services and SOAP-based services
• Appreciate the security concerns associated with RESTful services
• Design, develop and deploy real-world RESTful Services
• Implement RESTful services using JAX-RS to handle various HTTP methods
• Implement RESTful Java clients
• Implement JAX-RS Filters and Interceptors