Kesha Williams explains how to extract parameters from the request.
- [Instructor] Let's learn how to extract…information from the request.…The following types of parameters can be…extracted for use in the Resource class.…Query parameters, URI path parameters,…form elements, cookies, headers, and a matrix.…Let's discuss the URI path parameter in more detail,…and then see it in action.…URI path parameters indicated by the @PathParam annotation…are extracted from the URI of the request,…and essentially injects the value…of the parameter into the method.…
Here's a tip.…You can inject multiple parameters into a Java method…using a format similar to what's below.…Simply list each path parameter…separated by a forward slash.…I've opened IntelliJ and navigated…to the ApplicationResource.java file.…On line 33, the getApplication resource method…demonstrates returning an application.…For now, we have the data hard-coded,…but that will soon change.…
If you notice here on line 32,…we are using the @Path annotation at the method level.…The @Path annotation on this resource method…marks it as a subresource.…
- Comparing when to use JAX-WS vs. JAX-RS
- Using JAX-RS annotations
- Accessing REST resources with JAX-RS
- Creating JAX-WS endpoints
- Writing RESTful services using JAX-RS
- Reading, writing, updating, and deleting data via endpoints
- Mapping to entities
- Error handling
- Testing web services
- Securing Java EE web services
Skill Level Intermediate
Java EE: RESTful Service with JAX-RS 2.0with Alex Theedom2h 17m Intermediate
WebSocket Programming with Java EEwith Alex Theedom1h 29m Intermediate
1. Understanding Web Services
2. Building RESTful Web Services with JAX-RS
3. Accessing REST Resources with the JAX-RS Client API
4. Building SOAP Web Services with JAX-WS
5. Searching, Error Handling, and Testing in Web Services
6. Documentation, Logging, and Tracing
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