Welcome Welcome to our blog about all kind of topics that are related to software development. We blog about:
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.
Finally to make this happen we need tools and of course a Mac (well some of us do). So we blog about that as well.
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By jettro, on July 28th, 2011
Recently I have been doing a lot with Node.js. It is a nice server technology that enables you to program on the server like you program on the client. Wouldn’t it be nice to create a java based business logic backend but a light weight client and server backend. Communication between node.js and java is done in two ways in the sample. We use http and json for querying the data and for providing new data. Next to that I have an event system that pushes events with new data to the clients using nowjs. The following image gives you an idea about the overall solution.
If you want to find out more about this sample read on.
Continue reading Combining java and Node.js through redis pub/sub and a json remote interface
By jettro, on April 4th, 2011
About a week a go I bought myself a Synology. A very nice product with reasonable value for money. Especially if you consider the options you have if you are not scared to get your hands dirty. Agreed the graphical admin console is nice, but the linux options are even nicer. I wanted to have a cheap solution to host a node.js server at home. In the end I am glad I made the choice for this model.
In this blog post I will provided as much steps that I can remember and or wrote down while installing a node.js server on my Synology. This was not the easiest thing I have ever done. If I can help some others that want to get more out of their Synology my hours of work are worth it.
Continue reading Installing Node.js on my new Synology
By jettro, on March 16th, 2011
With a colleague I was talking about Node.js. My first though, “yeah right, JavaScript on the server!”. But you have to be open minded if you want to learn new stuff. Therefore I thought about giving it a spin. I started looking for resources on the web, read a few of them and ended up at the article : express-mongo. This article was the beginning of my Node.js journey.
In this blog item I want to show you the steps I took, the resources I found useful and some improvements to the article that seems a bit outdated. It is not an explanation of what Node.js is, but it does provide some help to get started on your own.
Continue reading First steps with Node.js
By jettro, on April 11th, 2010
 I have blogged before about the flex client I have created for the Axon framework addressbook sample project. If you did not read it before and want to learn more about the parsley framework, check this blog.
http://www.gridshore.nl/2010/02/25/creating-a-sample-for-axon-using-flex-and-parsley/
In this blog item I am describing changes based on a new feature made available in Axon. Allard has created support for a CommandBus and command handlers. Basic idea is that you dispatch items on the bus, and a registeredhandler picks it up and handles it. This makes the command query separation also more clear on the flex side of the application.
Continue reading Attaching flex to Axon using the new Axon CommandBus
By jettro, on February 25th, 2010
The last weeks or maybe even months, I have spent time getting to understand the Axon Framework created by Allard. Axon is a framework that can help developers created a scalable and maintainable application based on Command Query Responsibility Segregation (CQRS) principles. Each morning Allard and I discussed the framework and the sample we wanted to have. Since I know my way around flex and Axon makes heavily use of events, I decided to create a flex client that could demonstrate some cool features of the Axon framework.
 This post is mainly about flex and Parsley. We will go into depth of the architecture of the client and how to talk to the server. I will describe the communication with the application that makes use of the axon framework, but I will not go into a lot of details. If you want more information about the Axon Framework I suggest you go to the website http://www.axonframework.org. There is good documentation available in the reference manual. If you want to learn about flex and the Parsley framework in general, please read on.
Continue reading Creating a sample for axon using flex and parsley
By jettro, on February 17th, 2010
In March 2008 I started experimenting with flex and java integration. I wrote a lot of blog posts since than and even published an article on adobe.com. For most of my blog items I used a sample that is available on google code called books-overview. During the years the sample improved a lot. By now the sample consists of Mate, BlazeDS, Spring BlazeDS and a lot of other spring technologies like spring security.
I was some time a go I had a look at the sample, since than a lot of people keep coming back to it. I still get questions about it. Therefore I decided to upgrade the sample. This blog post is about the upgrade I did which are mainly upgrades in versions of the libraries and the build configuration. Still I think it is worthwhile to have a look at it.
Continue reading Upgrading my books-overview flex, BlazeDS, Spring security 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 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
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