Java RESTful APIs (java-rest)

Asynchronous Processing in JAX-RS 2.x

Quick introduction of asynchrnous processing in JAX-RS 2.x on both server-side and client-side.

Testing JAX-RS Resources

This article explains how to set up and tear down a Grizzly Server for testing JAX-RS resources, how to create a HTTP request and assert the response using JUnit 4. And finally, the limits of testing API in reality.

JAX-RS Client API

This post explains what is JAX-RS Client API and how to use it via Jersey Client API. We will talk about the Maven dependencies, Client, WebTarget, and HTTP response.

Exception Handling in JAX-RS

This post explains exception mapper, how to register it in JAX-RS application programmatically or via annotation, the exception matching mechanism (nearest-superclass), and more.

JAX-RS Param Annotations

This post explains different param annotations in JAX-RS 2.1 and their use-cases, including @QueryParam, @MatrixParam, @PathParam, @HeaderParam, @CookieParam, @FormParam and @BeanParam.

HTTP Methods in JAX-RS

This article explains the common HTTP methods in JAX-RS: annotation @GET, @POST, @PUT, and @DELETE.

Simple REST Demo With JAX-RS

A quickstart demo for creating REST service in Java using JAX-RS 2.0. The sample is implemented by Jersey, the reference implementation of JAX-RS.

Use Auto Value and Jackson in REST API

This post explains what is Google Auto Value and why it is the best alternative for Data Transfer Objects (DTO) in your web service. It shares how to apply Jackson annotations on top of Auto Value classes. There're also some advanced configurations about this topic.