A lot has recently changed in the Java landscape. While Java 9 warrants design considerations many legacy apps will stumble upon, its adoption is an essential step to make. Mind you, both Java 9 and 10 are only short-term releases. Java 11 starts a new era of a much shorter Read more…
Here is how to setup a JEE dev box with VirtualBox and Vagrant.
One of my previous posts about NiFi dealt with POSTing dynamically built JSON. Looking at it in retrospect, I realised there was space for improvement and ended up writing a custom processor. The result is not as feature rich as NiFi’s out-of-the-box counterparts InvokeHTTP and PostHTTP. However, my implementation incorporates request body definition Read more…
I’ve recently reached out for Cobertura to add test coverage reporting to one of my project. One of the first challenges I’ve face was integrating the plugin into a project powered by Gradle. Turns out there is a Gradle version of the plugin available (credit: Steve Saliman). https://gist.github.com/zezutom/8526e229a4ab01d7a69f The problem I was unable to Read more…
A WordCount app is arguably the most commonly used example of the MapReduce principle – see Hadoop or Spark tutorials. I wanted to do a similar thing in plain old Java as “a one-liner” (kind of). My objective was to explore the power and expressiveness of the Streaming API and Lambda expressions. Here is what Read more…
This post concludes the example from the previous article. Today, we take a closer look at the client-side, namely the use of tags and how to perform an efficient input validation. The whole example can be downloaded from github. At this point we have all the configuration in place and Read more…