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SOA, BPM, EDA, ECM and all the other buzz words. Beware some post might not be so common as you think. We are not scared to go against main stream thoughts.
Technologies like java, maven, springframework, OSGi and front end technologies and frameworks like jQuery, DWR, Flex.
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By jettro, on June 2nd, 2010
Lately I have been doing a lot with JMX. I use it more and more to check what my application is doing. I use it to monitor tomcat, the cache, queue’s and other libraries and components. Now I wanted to use jmx to monitor my own application. Using the standard JMX stuff coming with the JDK is not hard, but since I use a lot of spring, I wanted to know more about spring support.
The most important question in the end will be, is it easier to use spring with jmx than the standard jmx stuff from the jdk.
Read on to find out about jmx and my answer to the question which is easier, the spring way or the standard jmx way.
Continue reading Using JMX within a spring application
By jettro, on September 14th, 2009
 For a project that I am working on Your-Scrum I need a lot of items in a list that are sortable. One Story is to have a backlog with stories that are sortable to reflect the importance. Using Domain Driven Design, I have created a rich domain model. Using the model, we can execute all stories related to sorting items in a list. At the front-end I want an easy way to handle the sorting. I found a library for jQuery that can do the job for a large part on the client. Still there are some server side components as well.
The following screen gives an idea about the look and feel of the sortable list of stories.
 Continue reading Creating a sortable list of items using jQuery
By jettro, on June 11th, 2009
To be honest, I was planning a long article about why I used spring roo for a new project I am working on. It all looks so promising, man I had a very nice app in a few hours. The fact that it is coming from SpringSource always give a good feeling. Therefore I moved on. Than I had a few wishes that made we change the jsp files. I also had problems creating a composite relationship. Finally to become really productive you have to use the Spring Tool Suite. The biggest problem there is that I have to use eclipse. Well, sorry, not going to do that anymore. If you are not interested in stories why something is not good enough to use for certain people, you can stop now. If you are interested in my reasons to stop using it for now, please do read on. I do have to warn you, I have formed this opinion after trying it for two evenings.
Continue reading Why Spring Roo is not my thing
By jettro, on May 24th, 2009
More than a year a go I started writing about flex. My first post was about the integration of BlazeDS with the springframework at the back-end using intellij. I moved on with a Datagrid component that had filtering included in my second post. Than I did two posts about integrating spring security. The first article was a nice start to understand the concepts. The second post improved the code a lot with more understanding of the flex principles.
With the next posts I moved on to use maven, which in the beginning was not easy, but thanks to the excellent flex-mojos plugin from velo. In the beginning of this year I started blogging about the springsource coming into the flex domain for real. Two projects, one for the spring style of programming in the ActionScript language. The other one for integrating BlazeDS and the spring framework. I wrote multiple posts about the new spring project. This post will probably not be the last. But if you are using Mate as well as the spring BlazeDS Integration project. This is a must read post. Maybe only to laugh at what I have done, but I hope to be amazed how simple a full flexed application can be when you combine all these technologies.
Kind of a long introduction, but what is this post really about? I have been using a sample application called books-overview that I have been using for flex based applications. I have been adding stuff to it once in while, but now I have completely refactored it. I am using a framework called Mate, have made it modular using the flex-mojos plugin and I have adopted the Spring BlazeDS integration project. Time to explain the way I handle security now, how I am using maven and show the extension to Mate for security.
Read on to find out how I did it and like always leave a comment if you like it or if you have improvements.
Continue reading Integrate flex security in Mate using the spring BlazeDS integration project
By jettro, on May 10th, 2009
As a lot of you out there know, I write a lot about flex and java. For my flex posts I use a sample called books-overview. You can find the sourcecode on google code. A lot of different frameworks released new versions. In this post I describe the some of the upgrades that are important to me
- flex-mojos (3.1) – the maven flex plugin
- Mate (0.8.7.1) – a flex framework
- Spring BlazeDS Integration 1.0.0.RC1
Read on to find out the changes I had to make, the problems I ran into (not that much actually).
Continue reading Upgrading the flex based books-overview sample
By jettro, on April 13th, 2009
 The complete story of combining a lot of different technologies and a lot of different blog post and articles found on the web. There are multiple good posts around this topic, but none of them gave the exact solution I needed. Therefore I write this blog post, maybe someone else can use this as well.
 To get an idea if this post is about the approach you need, let me describe the problem or challenge I am facing.
I have an application that is showing the current stock supply of an online shop. Because obtaining all stock items takes a few seconds, I want to notify users when stock changes. To be able to do this I want to communicate changes from a java server using spring technology to a flex client through BlazeDS. The amount of users is not very big, and the changes to the stock are not important when someone obtains all stock items. Therefore the messages do not need to be persisted and we can use an in memory message server implementation provided by ActiveMq. So the flow becomes:
- Spring sends a message to a topic.
- BlazeDS pics up the message and transforms the stock payload
- All flex clients gets notified of the message
Go on to read about the solution.
Continue reading Doing flex with JMS: combining BlazeDS, spring-jms and ActiveMQ
By jettro, on March 8th, 2009
 I have written some posts about using flex and the project Spring BlazeDS Integration. If you haven’t read that post I suggest you start there first : Flex remoting without configuring the client. That said, what is this post about? As the title already says, we are going to upgrade the example from the previous blog post to use the new features of the M2 release of spring Blazeds integration.
Continue reading Upgrading to Spring BlazeDS Integration M2
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