Docker, applications and Traefik

Introduction A couple of weeks ago I started playing around with Docker. I set up a small server at home and I wanted to host several applications like a mailserver, nextcloud, an apache webserver hosting my panorama fotos, gitlab for my code and so on. It was not as complicated as I thought setting up …

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Internet of Things (IOT) for a Java developer

Nowadays there is no possibility not to read about the new next thing: Internet of Thins (IOT). As a Java developer who mainly develops web applications and the backends IOT is not the daily business (at least in my case) but if you search hard enough you'll find a usecase. Usecase In my case the …

spring-mvp Vaadin addon

After my first successfully completed Vaadin project I knew: Vaadin is a very good technology but the provided possibilities to create event driven applications were too limited. Coming from Adobe Flex using the Cairngorm project I knew there should be more possibilities for dispatching events, register listeners and so on. The next project at work …

Quo vadis Flex?

A lot of things changed in the Adobe Flex world since I wrote my last entry. Adobe stopped the development for the Adobe Air Runtime for Linux systems, Adobe wanted to support Maven officially, Adobe stopped the development of FlashPlayer for Android and Adobe decided to give Flex to the Apache Foundation as a new …

Barcode Scanner v0.2

A couple of weeks ago a former colleague of mine asked me if it would be possible to integrate the barcode scanner application into his application which does not use any Java. Well, of course this is possible! Flex can call Javascript methods given in the surrounding HTML so I created the Barcode Scanner v0.2 …

Creating user interfaces with Wireframesketcher

A couple of weeks ago Peter Severin – the creator of WireframeSketcher contacted me and asked me if I would like to test his tool. Until now I used Balsamiq Mockups to sketch my possible GUIs so I was really looking forwart to testing WireframeSketcher. WireframeSketcher can be installed as RCP standalone version or as …

Debugging Flex applications

Until yesterday it was fine for me using the integrated debugger in Flex-/Flashbuilder to debug my applications. It provides much comfort, nothing has to be configured, everything is fine. But currently I'm working on an application which consists of several modules which are built using flexmojos and I had the strange phenomenon that my application …

Flashbuilder additional Compiler arguments

If you build your Flex application using flexmojos version < 3.7 you have to give Flashbuilder some additional compiler settings for multilingual application. In my projects I use the standard flexmojos maven project structure. I put my locale properties files in src/main/resources/locale which means you have for german src/main/resources/locale/de_DE and for english src/main/resources/locale/de_DE. For this …

Data Management with GraniteDS

Introduction Flex itself can't access any backend Java logic. One could use HTTP Services to access backend systems but if you want to transfert data as quick as possible you should use something like Adobe BlazeDS or GraniteDS. BlazeDS is provided by Adobe and does not have several features the commercial product LiveCycle Data Services …

Incompatibility Flashbuilder 4.1 Eclipse Plugin and Eclipse Helios

Today I discoverd a strange bug in Flashbuilder 4.1 Eclipse plugin in combination with Eclipse Helios SR1. The installation was without problems and I was even able to run FlexUnit testcases for Flex Application projects but I wasn't able to run FlexUnit testcases for Flex Library projects. I always got this error: FlexUnitApplication start failed. …