Okay, so you have a json file somewhere, that was already created by someone else, by another project or just due to quantum fluctuation… doesn’t matter, what you want is to read that file, read the json, add another property to that json and then write the entire json back to the file.

Of course it’s not that complicated and can be done in so many ways. I saw a lot of projects that were doing this by simply manipulating the string. This is certainly not recommended since it’s pretty easy to screw up the integrity of that json object.

Instead let’s see one of the easiest and safest way to do it:

Continue reading →

Hey everyone,

Today we are going to see how you can download a zip file, unzip the contents, browse the contents and inspect any file. On top of that, for a more practical example, we are going to parse a json file and deserialise its content into a java object:

Continue reading →

Hello everyone,

This is not a Spring MVC tutorial. I think there are plenty of those on the internet. I just want to show you how you can enable MVC support and create an API for your app.

Sometimes you might have a simple Spring app or even a JSF+Spring web app and want to expose an API. One way to do this is to use Spring MVC Controllers. It takes only 1 minute, I promise.

Continue reading →