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Simultaneous Spring WebClient Calls 1. Overview Typically when making HTTP requests in our applications, we execute these calls sequentially. However, there are occasions when we might want to perform these requests simultaneously. For example, we may want to do this when retrieving data from multiple sources or when we simply… Continue Reading spring-webclient-simultaneous-calls
Spring WebClient and OAuth2 Support 1. Overview Spring Security 5 provides OAuth2 support for Spring Webflux’s non-blocking WebClient class. In this tutorial, we’ll analyze different approaches to access secured resources using this class. Also, we’ll have a look under the hood to understand how Spring handles the OAuth2 authorization process. 2.… Continue Reading spring-webclient-oauth2
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Spring 5 WebClient 1. Overview In this article, we’re going to show the WebClient – a reactive web client that’s being introduced in Spring 5. We’re going to have a look at the WebTestClient as well – which is a WebClient designed to be used in tests. Further reading: Spring… Continue Reading spring-5-webclient
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Spring WebClient Requests with Parameters 1. Overview A lot of frameworks and projects are introducing reactive programming and asynchronous request handling. Consequently, Spring 5 introduced a reactive WebClient implementation as a part of the WebFlux framework. In this tutorial, we’ll see how to reactively consume REST API endpoints with WebClient.… Continue Reading webflux-webclient-parameters
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Guide to Spring 5 WebFlux 1. Overview Spring WebFlux framework is part of Spring 5 and provides reactive programming support for web applications. In this tutorial, we’ll be creating a small reactive REST application using the reactive web components RestController and WebClient. We will also be looking at how to secure our reactive endpoints… Continue Reading spring-webflux
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Spring WebClient Filters 1. Overview In this tutorial, we’re going to explore WebClient filters in Spring WebFlux, a functional, reactive web framework. 2. Request Filters A filter can intercept, examine, and modify a client request (or response). Filters are very suitable for adding functionality to every single request since the… Continue Reading spring-webclient-filters
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Spring WebClient vs. RestTemplate 1. Introduction In this tutorial, we’re going to compare two of Spring’s web client implementations – RestTemplate and new Spring 5’s reactive alternative WebClient. 2. Blocking vs. Non-Blocking Client It’s a common requirement in web applications to make HTTP calls to other services. Therefore, we need… Continue Reading spring-webclient-resttemplate
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Spring Security OAuth Login with WebFlux 1. Overview Spring Security added OAuth support for WebFlux starting with the 5.1.x GA. We’ll discuss how to configure our WebFlux application to use OAuth2 Login support. We’ll also discuss how to use WebClient to access OAuth2 secured resources. The OAuth Login configuration for… Continue Reading spring-oauth-login-webflux
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Server-Sent Events in Spring 1. Overview In this tutorial, we’ll see how we can implement Server-Sent-Events-based APIs with Spring. Simply put, Server-Sent-Events, or SSE for short, is an HTTP standard that allows a web application to handle a unidirectional event stream and receive updates whenever server emits data. Spring 4.2… Continue Reading spring-server-sent-events
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