In WSO2 Micro Integrator, there are various ways to transform or generate payloads. PayloadFactory mediator, DataMapper, Script mediator, and Smooks mediator are some of the mediators we can use to transform and generate payloads. Dont forget to check out this article about the CSV module, which is an easy-to-use module…

CSV is a widely used content format in the digital world. In WSO2 MI you can use a number of mediators to transform a CSV payload. DataMapper, PayloadFactory, and Script Mediator are some of them. But now you have an even simpler and powerful way to transform your CSV payloads. …

Java developers use the wildcard (*) in import statements to import all the classes in a particular package. But in code reviews, most of you may have asked to remove those wildcard imports and add the actual class name. Is it really matter having wildcards in import statements in Java? …

Java Stream API introduced in Java 8 was a game-changer and almost every Java developer love using Streams. Since Java 8, the Stream API is improving in each Java release. In this article, I’m talking about the new features added to the Java Stream API in Java version 9. iterate Java…

When using WSO2 Enterprise Integrator, the Class Mediator is a useful mediator. When there’s a scenario where we can’t use the existing mediators to resolve, we have to write a custom mediator using the Class Mediator. …

If you’re a web developer or an API developer, then you should have wondered how to expose your localhost to the outside world. Some common scenarios are testing chatbots, testing browser notifications, testing your website on a mobile device, and you name it. You may have tried techniques like remote…

Today frontend applications are becoming more complex. When the apps get bigger, they get slower. One of the main reasons behind a slower app is the large amount of rendering takes place in the browser. But how to find out where the problem is and how to fix it? Chrome…

A synchronized counter is a counter which can be updated using several threads. You may need to implement a synchronized counter in day to day programming tasks, and this is a common interview question in multithreaded programming. In terms of multithreaded programming Java provides many ways to implement synchronization. …

You may have used Let’s Encrypt to enable HTTPS on your website. Let’s Encrypt is a free and open Certificate Authority. You can generate an SSL certificate for free from Let’s Encrypt. Certbot is a tool to obtain certificates from Let’s Encrypt. It comes with several plugins to simplify the…