Join Alex Theedom for an in-depth discussion in this video Solution: Add exception handlers, part of Java EE: RESTful Service with JAX-RS 2.0.
(digital music)…- [Narrator] So how did you get along with this challenge?…Your challenge was to add error handlers where appropriate.…Now your solution might differ slightly from mine.…So I'm just going to show you what I did.…Here in the older class, I decided I wanted to throw…an AuthorIDNotRecognizedException,…if an ID was passed into the getAuthor method…that was not recognized.…So what I had to do was to create…an AuthorIDNotRecognizedException,…and here in the getAuthor method,…all I've had to do is throw that exception,…and also what I need to do is…to create an exception manager.…
So I'll open up the Exception Manager…and show you what that looks like.…So here in the Exception Manager,…all I've done is to create…an AuthorIDNotRecognizedExceptionManager…and implement the Exception Manager interface.…And I've passed into that the exception…that I want it to handle.…I've implemented the method to response,…and within that method, all I'm doing is…I'm responding back to the client…with a NO_CONTENT response.…
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
WebSocket Programming with Java EEwith Alex Theedom1h 29m 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
Next steps1m 20s
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