Working with Spring REST | RESTful Services with Spring

Course Objectives

This “skills-centric” course is about 50% hands-on lab and 50% lecture, designed to train attendees in core Cucumber and web testing skills, coupling the most current, effective techniques with the soundest industry practices. Working within in an engaging, hands-on learning environment, guided by our expert team, attendees will:

• Learn the request-response cycle of REST requests
• Implement a REST controller using Spring
• Map URLs to service endpoints
• Use Spring's template class to develop a REST client
• Bootstrap a Spring REST applications
• Return different media types for a service
• Setting the response headers
• Discuss Exceptions and HTTP Status codes
• Handle exceptions thrown by a service

Need different skills or topics?  If your team requires different topics or tools, additional skills or custom approach, this course may be further adjusted to accommodate.  We offer additional Spring, Java / JEE programming, Microservices / Services, REST, TDD / testing, design, application security and other related topics that may be blended with this course for a track that best suits your needs.

Course Prerequisites

This in an intermediate-level Java development course geared for students experienced with Java and Spring programming essentials.  This course does not cover Java or Spring development basics.

Please see the Related Courses tab for specific Pre-Requisite courses, Related Courses that offer similar skills or topics, and next-step Learning Path recommendations.

Course Agenda

Please note that this list of topics is based on our standard course offering, evolved from typical industry uses and trends. We’ll work with you to tune this course and level of coverage to target the skills you need most.

Session: Implementing REST with Spring

Lesson: REST principles

• Introduce the six architectural constraints of REST
• Introduce Resources and Resource representations
• Best practices for defining Resource URIs
• Tutorial: Setup Eclipse for Using Maven

Lesson: Introduction to RESTful Services in Spring

• Discuss the request-response cycle of REST requests
• Defining a REST Controller in Spring
• Explain the @ResponseBody annotation
• Define request mappings
• Use path variables
• Lab: Working with Spring REST

Lesson: Introduction to REST Clients in Spring

• Introduce RestTemplate class
• Making GET, POST, PUT, HEAD, OPTIONS and DELETE requests
• Introduce the UriTemplate class
• Using HttpEntity and RequestEntity
• Use the exchange method to define ‘complex’ requests
• Process requests and responses using callback
• Configure the RestTemplate
• Lab: Implementing the Spring REST Client

Lesson: Bootstrapping the REST application

• Describe steps needed to bootstrap Spring REST application
• Configure Content Representation libraries
• Configure Spring MVC and map the Dispatcher Servlet
• Explain the advantages of using Spring Boot to setup the REST project
• Setup a Spring REST application using Spring Boot
• Lab: Spring Hotel Reservation
• Lab: Spring Hotel Reservation Client

Lesson: Content Representation

• Returning different media types from service
• Introduce negotiated resource representation
• Configure Message Converters
• Lab: Spring REST Content Negotiation

Lesson: Implementing the REST Service

• Process for Spring REST Implementation
• The Domain object
• Using Project Lombok to define the domain object
• (Not) Using Data Transfer Objects
• ResponseEntity builder interfaces
• Setting Location header using UriComponentsBuilder
• Lab: Spring REST Services

Lesson: Error Handling

• Handling Exceptions and HTTP Status codes
• Using @ResponseStatus
• Exception handler methods in controller
• Using Controller advices to handle exception
• The ResponseStatusException class
• Lab: Spring REST Exceptions

Session: Security and RESTful Services

Lesson: Securing Untrusted Input

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

Lesson: Defending RESTful Services

• How Attackers See REST
• Factors that Increase Attack Surface
• Data Tampering
• Cross Site Scripting
• Bridging and its potential Problems
• Dangerous Developer Assumptions
• Three Basic Tenets for Safe RESTfulness

Course Materials

Each student will receive a Student Guide with course notes, code samples, software tutorials, step-by-step written lab instructions, diagrams and related reference materials and links (as applicable). Students will also receive the project files (or code, if applicable) and solutions required for the hands-on work.

Hands-on Setup Made Simple! Our dedicated tech team will work with you to ensure your student machines and learning environment is setup, tested and ready to go well in advance of the course delivery date, ensuring a smooth start to class and seamless hands-on experience for your students. We offer several flexible student machine setup options including guided manual set up for simple installation directly on student machines, or cloud based / remote hosted lab solutions where students can log in to a complete separate lab environment minus any installations, or we can supply complete turn-key, pre-loaded equipment to bring ready-to-go student machines to your students or in-person facility.  Please inquire for details.