A Custom Security Expression with Spring Security 1. Overview In this tutorial, we’ll focus on creating a custom security expression with Spring Security. Sometimes, the expressions available in the framework are simply not expressive enough. And, in these cases, it’s relatively simple to built up a new expression that is… Continue Reading spring-security-create-new-custom-security-expression

Java IntStream Conversions 1. Introduction In this quick tutorial, we’ll go through all the possibilities regarding IntStream conversions to other types. Interesting readings about boxing and unboxing or iterating are recommended as a complement of this tutorial. 2. IntStream to Array Let’s start exploring how we can convert from an… Continue Reading java-intstream-convert

Handle Security in Zuul, with OAuth2 and JWT 1. Introduction Simply put, a microservice architecture allows us to break up our system and our API into a set of self-contained services, which can be deployed fully independently. While this is great from a continuous deployment and management point of view,… Continue Reading spring-security-zuul-oauth-jwt