Join Alex Theedom for an in-depth discussion in this video JAX-RS 2.0 introduction, part of RESTful Service with JAX-RS 2.0.
- [Instructor] JAX-RS is the Java API for RESTful web services, normally shortened to just JAX-RS, and is Java's implementation of the REST architectural pattern, and provides a simple way to create RESTful APIs. It also provides support for hypermedia by following the HATEOAS model, which we will discuss later on in the course. JAX-RS 1.1 was standardized in Java EE 6 and became an official part of the specification. It was updated in Java EE 7 to release version 2.0, and development continues with a new release plan for Java EE 8.
JAX-RS is annotation driven. This is important because it makes it very easy to represent and code the elements that form parts of the REST pattern. This means that the class that represents the root of a resource will be annotated "Path," and methods that respond to HTTP requests are annotated appropriately with the annotation that echos the HTTP verb, such as the POST annotation for POST requests, and the GET annotation for GET requests. Likewise, query parameters and path variables are easily accessible with the logically named annotations QueryParam and PathParam.
And content types are defined using the Consumes and Produces annotations. There are many more useful annotations in JAX-RS, but these are just some of the annotations I will covering in this course.
Join Alex Theedom as he guides you through a wide range of topics, including how to define resource endpoints, how to add dynamism to your application with hypermedia, how to maintain data integrity with Bean Validation, and how to process messages with the JSON Processing API. Once you have completed this course, you'll be ready to develop your own client and server RESTful APIs.
- Discover the extent of JAX-RS's features
- Use the annotation methodology
- Use the inheritance methodology
- Define a REST contract and API root
- Create the REST resource entity
- Create the REST resource methods
- Understand consumers and producers
- Work with different media types
- Define and work with path parameters
- Build a REST response and handle exceptions
- Implement Bean Validation and manage failures
- Create a RESTful client that consumes the web service
- Use JSON-P API with the REST client
- Implement hypermedia (HATEOAS)
Skill Level Intermediate
1. JAX-RS 2.0
2. Introduction to Bookshop Application
3. Create a REST Resource
4. Responses and HATEOAS
5. Bean Validation API
6. Create a REST Client
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