Join Alex Theedom for an in-depth discussion in this video Solution: Add validation annotations, part of Java EE: RESTful Service with JAX-RS 2.0.
- [Instructor] Okay, so how did you get in with this task?…Well I imagine that your solution…is gonna be slightly different to my solution,…but let's have a look at what I've done.…So you can see here that I've added…to the id of the author,…@NotNull, 'cause I don't want the id to ever be null.…Now also you could add here a pattern…like I've done to the blogURL,…so that the id follows a particular pattern.…Also for the firstName and lastName…I've decided to have a minimum size of five,…this may or may not be appropriate,…and again you can also use a pattern to ensure…that certain characters are not included…in the firstName and lastName,…numbers and other such characters.…
And what I've done for the blogURL…is to add a regular expression,…which validates that the blogURL…is actually correct URL format.…And as you can see it's exactly the same…regular expression that I used in the book resource.…
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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