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Juliano Viana

Juliano is a software architect based in Belo Horizonte, Brazil. He has over 10 years of Java experience, having worked with Java since the 1.02 days.

Currently he is founder and  CTO of Logicstyle , a software consultancy company.

When he is not busy coding he can probably be found playing with his daughter Alice.


jjviana's blog

Cloud Appreciation

Posted by jjviana on April 23, 2010 at 5:05 AM PDT

My 3 years old MacBook Pro went suddenly dead this week. Annoying as it is, this event allowed me to experience cloud computing like never before.

This notebook has been my main computer for the past 3 years. I used it for everything and carried it around wherever I went.

Decoupling event producers and event consumers in Java EE 6 using CDI and JMS

Posted by jjviana on April 14, 2010 at 5:26 AM PDT

In this post I will share my recent findings about Container Dependency Injection in Java EE 6, in particular how to decouple the processing threads of  event producers and event consumers.

Java EE 6 introduces a very nice dependency injection framework (CDI) that has superb support for the Observer pattern in the form of event broadcasting.

Nested forms - what a WickeT idea!

Posted by jjviana on March 30, 2010 at 7:18 AM PDT

Have you ever got into the situation where you feel like you need to stretch the limits of HTTP form processing?

JPA in the Clouds

Posted by jjviana on March 16, 2010 at 10:01 AM PDT

A big part of  my current company work is related to managing infrastructure hosted in cloud computing environments. I have recently released an open source project (Rain Toolkit) to help ease the management of Amazon EC2 objects. It is a set of command-line tools for performing day-to-day administration tasks.

Java Enterprise Development - 2010 style

Posted by jjviana on March 1, 2010 at 7:45 AM PST

I woke up the other day and realized its 2010. When I was a kid, year 2000 was far, far away (well not quite, but hey when you are 7 years old 13 years is a long time).

Making Apache Wicket even more designer friendly

Posted by jjviana on February 9, 2010 at 6:00 AM PST


Hi, my name is Juliano Viana, I'm a software consultant and developer based in Brazil, and I've been honored with the opportunity to blog in! Hope I can contribute something to this great community resource.

For my first blog post at I've choosen to write about my web framework of choice, Apache Wicket.