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Sixth Round of Improvements to the Reddit Application 1. Overview In this article we’re going to be almost wrapping up the improvements to the Reddit application. 2. Command API Security First, we’re going to do some work to secure the command API to prevent manipulating of resources by users other… Continue Reading reddit-web-app-improvements-6
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Override Properties in Spring’s Tests 1. Overview In this tutorial, we’ll have a look at various ways to override properties in Spring’s tests. Spring actually provides a number of solutions for this, so we have quite a bit to explore here. 2. Dependencies Of course, in order to work with… Continue Reading spring-tests-override-properties
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Java Weekly, Issue 195 Today – Java 9 goes live (I’ve been waiting for some time to write this sentence). Let’s jump right in… 1. Spring and Java ===== >> The Top 10 Jigsaw and Java 9 Misconceptions Debunked [blog.takipi.com] There are a number of myths surrounding Java 9 –… Continue Reading java-weekly-195
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Cookbooks The Cookbooks are a new type of format for me – these are quick to illustrate how to use a technology by putting forward very code focused snippets and examples. Since the focus is simplicity and speed, most recipes don’t require any additional explanation other than the code itself.… Continue Reading cookbooks
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Spring Cloud Tutorial Learn Spring Cloud including concepts, additional libraries and examples for distributed systems. Intros to Main Projects + Quick Intro to Spring Cloud Configuration + An Intro to Spring Cloud Security + /the-persistence-layer-with-spring-and-jpaIntroduction to Spring Cloud Stream + An Intro to Spring Cloud Task + An Intro to… Continue Reading spring-cloud-series
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Converting JSON to CSV in Java 1. Introduction In this short tutorial, we’ll see how to use Jackson to convert JSON into CSV and vice versa. There are alternative libraries available, like the CDL class from org.json, but we’ll just focus on the Jackson library here. After we’ve looked at… Continue Reading java-converting-json-to-csv
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Custom Mapper with MapStruct 1. Overview In this article, we’ll learn how to use custom mapper with the MapStruct library. The MapStruct library is used for mapping between Java bean types. By using a custom mapper with MapStruct, we can customize the default mapping methods. 2. Maven Dependencies Let’s add… Continue Reading mapstruct-custom-mapper
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Introduction to Vavr’s Either 1. Overview Vavr is an open source object-functional language extension library for Java 8+. It helps to reduce the amount of code and to increase the robustness. In this article, we’ll learn about Vavr‘s tool called Either. If you want to learn more about the Vavr… Continue Reading vavr-either
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Customizing Authorization and Token Requests with Spring Security 5.1 Client 1. Overview Sometimes OAuth2 APIs can diverge a little from the standard, in which case we need to do some customizations to the standard OAuth2 requests. Spring Security 5.1 provides support for customizing OAuth2 authorization and token requests. In this… Continue Reading spring-security-custom-oauth-requests
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Mocking a RestTemplate in Spring 1. Introduction Frequently, we find ourselves with applications which perform some sort of web request. When it comes to testing this behavior, we have a few options with Spring apps. In this quick tutorial, we’ll look at just a couple of ways of mocking such… Continue Reading spring-mock-rest-template
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