This article is a walk through JAX-RS Client API for testing REST Endpoint using WildFly / JBoss EAP 7 as REST provider.
resteasy
RESTEasy is a JBoss / Red Hat project that provides various frameworks to help you build RESTful Web Services and RESTful Java applications. It is an implementation of the Jakarta RESTful Web Services, an Eclipse Foundation specification that provides a Java API for RESTful Web Services over the HTTP protocol.
Moreover, RESTEasy also implements the MicroProfile REST Client specification API.
Coding Filters and Interceptors for your RESTFul services
Jakarta Restful Web Services includes an Interceptor API that allows developers to intercept request and response processing. This allows addressing some advanced concepts like authentication, caching, and compressing without polluting application code. Jakarta Restful Web Services define two broad categories to intercept requests and responses: Filters and Entity Interceptors. Filters are used to modify or … Read more
REST CRUD application with JPA | A complete example
This tutorial will teach you how to create an example REST (JAX-RS) CRUD application (to be run on the top of WildFly application server) which uses JPA to store your Resources. Building the CRUD JAX-RS Service Our JAX-RS Service will use the following HTTP methods to send and retrieve data from/to the server: GET: The GET … Read more
Configuring RESTEasy Applications
Since WildFly 20, you can configure RESTEasy through the MicroProfile Config project (https://github.com/eclipse/microprofile-config). The use of MicroProfile Config offers to REST developers a plenty of flexibility in controlling runtime configuration. If you want to read more details about MicroProfile Config API, we recommend checking this tutorial: Configuring Microservices with MicroProfile Configuration In a nutshell, the … Read more
JAX-RS CRUD Application using Vue.js and RESTEasy
Let’s check in this tutorial how to build a JAX-RS CRUD application (on the top of WildFly application server) using Vue.js and Axios as Front End. Let’s start with some basic concepts about Vue.js: in a nutshell, Vue.js is a system that enables us to declaratively render data to the DOM using straightforward template syntax. … Read more
REST Services Cheat sheet
Here is a comprehensive JAX-RS Cheatsheet to help you code your REST Services. JAX RS-Annotations @Path: Path to annotate a method or a Class with the resource path it represents. For instance: @Path(“/hello”) public class CustomerEndpoint { } @Produces: To specify the output type that the resource produces, or in a narrower scope the type … Read more
WildFly Hello World example application
In this tutorial we will learn how to create a simple Hello World JAX-RS application for WildFly using just Maven and the Command Line. Pre-requisites: You need a WildFly application server. Read here how to get started with it: Getting started with WildFly Next, we will create a project using a Maven archetype to bootstrap … Read more
RESTAssured tutorial
This tutorial discusses about RESTAssured, a Testing framework that is used by several frameworks (including Quarkus) to test specifically REST applications. REST Assured is a Java API that can be used to validate RESTful services through its fluent DSL (Domain specific Languages) that describes a connection to an HTTP endpoint and expected results. Here is … Read more
Securing JAX-RS Services in WildFly applications
In this tutorial we will learn how to secure a JAX-RS Service using an Elytron File System Realm, restricting access to methods using javax.annotation.security annotations. This example will be deployed on WildFly application server so, in order to get started, download the latest WildFly release from http://www.wildfly.org In order to get started we will at … Read more
Using JAX-RS Server Sent Events with WildFly
JAX-RS 2.1 (JSR 370) contains several enhancements like Server Sent Events which will be discussed in this tutorial. Here are in a nutshell the key enhancements provided by JAX-RS 2.1 : Support for Server Sent Events (server and client) JSON Binding (JSON-B) API integration We have already discussed about JSON Binding (JSON-B) in this tutorial … Read more