Jakarta RESTful Web Services
Jakarta EE specification for web services to employ the Representational State Transfer (REST) architectural pattern
Jakarta RESTful Web Services, (JAX-RS; formerly Java API for RESTful Web Services) is a Jakarta EE API specification that provides support in creating web services according to the Representational State Transfer (REST) architectural pattern. JAX-RS uses annotations, introduced in Java SE 5, to simplify the development and deployment of web service clients and endpoints.
From version 1.1 on, JAX-RS is an official part of Java EE 6. A notable feature of being an official part of Java EE is that no configuration is necessary to start using JAX-RS. For non-Java EE 6 environments a small entry in the web.xml deployment descriptor is required.
Specification
JAX-RS provides some annotations to aid in mapping a resource class (a POJO) as a web resource. The annotations use the Java package jakarta.ws.rs (previously was javax.ws.rs but was renamed on May 19, 2019). They include:
@Path specifies the relative path for a resource class or method.
@GET, @POST, @PUT, @PATCH (since JAX-RS 2.1), @DELETE, @HEAD and @OPTIONS (since JAX-RS 1.1) specify the HTTP request type of a resource.
@Produces specifies the response Internet media types (used for content negotiation).
@Consumes specifies the accepted request Internet media types.
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This entry incorporates text from “Jakarta RESTful Web Services” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.