Join Alex Theedom for an in-depth discussion in this video Create the resource methods, part of RESTful Service with JAX-RS 2.0.
- [Instructor] Resource methods perform the actions…of the resource class and map to the HTTP methods.…We know that to retrieve all the books…in the BookStore application,…we must make a GET request to the URI api/books.…And to create a new book, we must make a POST request…to the same URI but how do we program this functionality?…Well, we do it with resource methods…that we annotate with the appropriate HTTP method.…So, to retrieve all the books in the application,…we write a method that returns all the books…and annotate it @GET.…
And to create a book resource,…we annotate the method that creates a book, @POST.…In the case of a creational method,…such as a method that creates a new book,…we must pass the resource object…we want to create to the method.…But before discussing this last point in more detail,…let's go back to the code and create these methods.…The first thing you should do,…is to create the method that retrieves…all the books in the application.…So let's create a method and call it getBooks,…and annotate it @GET.…
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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