Join Alex Theedom for an in-depth discussion in this video Add path paramaters, part of RESTful Service with JAX-RS 2.0.
- [Instructor] Okay, so let's create a method…that retrieves a book based on this ISBN.…I'll call this method getBookByIsbn,…and the path variable is going to be called ISBN.…So, it's going to be a public method,…it's going to return a response object, as before.…And we're going to simply call it getBookByIsbn.…And we're gonna have a path variable…which we are going to be making final.…
We're gonna use the path parameter here,…and we're going to use the variable ISBN.…And I'll show you how to program that part in a moment.…And we're gonna parse that through…as a string to a variable, I'm going to call it ISBN, okay.…Now that I set the path annotation…and parsed the regular expression,…we're gonna add path and we're simply going to parse it…at a regular expression.…As you can note here, the name of the variable is ISBN,…and the regular expression follows the name of the variable.…
And the variable ISBN matches with…the variable name in the path parameter.…And don't forget, we need to make this method a get method.…
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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