Programming

Why I’m not using Groovy at work

Posted on December 14, 2009. Filed under: Grails, Groovy, Uncategorized | Tags: , , |

A disclaimer: this blog is based on my personal failures with getting Grails accepted in our company. So, no, this is not the holy grail into dropping your EJB, Struts or Java toolkit to get groovy with Grails, but maybe you can learn something on how NOT to do it, and post some comments on [...]

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Groovy 1.7 Power Assert

Posted on December 11, 2009. Filed under: Groovy | Tags: |

I already mentioned this in my previous post, but I wanted to go a little bit deeper on this: the new Groovy Power Assert (and no, let’s not call is GPA). Groovy Power Assert makes assertions quite more powerful. The best way to demonstrate is ofcourse by example. When running the following code in Groovy [...]

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Gr8 conference in Denmark, 2010

Posted on December 10, 2009. Filed under: Grails, Groovy |

At the 19th and 20th of May 2010,the GR8 conference will be held. From the website: “The GR8 Conference is an affordable conference dedicated to the Groovy dynamic language, the Grails web framework, the Griffon Swing framework, and other great technologies — hence the pun and code name GR8.”. The agenda is not officially known [...]

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Groovy @Delegate annotation

Posted on December 9, 2009. Filed under: Groovy |

Groovy 1.7 provides some nice new annotations. One of those annotations is the @Delegate. What it essentially does, is providing the methods of the Delegate to the class using the Delegate. This is best explained by a small example: This works really nice. The Manager now delegates the call for doWork() to the Employee. This [...]

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Reloading pages in Wicket

Posted on August 7, 2009. Filed under: Java | Tags: , , , |

When developing software, and especially web frontends, is nice and handy to get some immediate feedback on the work you’ve done, without having to rebuild all dependent projects, killing servers, redeploying wars, etc. At my current project, we have a simple web frontend which is using Wicket, which needs some changes now and then. Unfortunately, [...]

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ActiveMQ NullPointer exceptions when creating objectmessages.

Posted on March 24, 2009. Filed under: Java |

At the moment, I’m working with Flex, BlazeDS en ActiveMQ in a Spring application. I’m using Flex to display some of my database contents, and for direct communication, I use BlazeDS, and for updating the view, I use JMS (ActiveMQ) in combation with BlazeDS. It works by publishing information to topics, which can be easily [...]

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Groovy PowerPoint DSL

Posted on February 27, 2009. Filed under: Groovy | Tags: , , |

Blog describing the creation of a Groovy PowerPoint DSL, to give a practical demonstration of the Builder support in Groovy.

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Converting Groovy Objects to JSON using Grails

Posted on February 14, 2009. Filed under: Grails, Groovy, Uncategorized | Tags: , , , |

Disclaimer: this might not be the best way to do it. I’m open for improvements, but it’s a way I’m using now, and it works pretty nice! Currenly, I’m creating an application which does some JSON communication. Since Grails already has nice support for JSON, I wanted to reuse their libraries, but, at the moment, [...]

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IntelliJ JSON Formatter Plugin 0.2

Posted on February 14, 2009. Filed under: IntelliJ JSON Formatter Plugin | Tags: , , , |

I’ve worked with my JSON Formatter plugin for a couple of days now to debug my Grails communication layer, and even though I created it myself, I want to say that I’m quite pleased with it. The only thing which annoyed me a bit is that it’s hard to see  if the JSON code is [...]

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IntelliJ JSON Formatter Plugin

Posted on February 5, 2009. Filed under: Grails, IntelliJ JSON Formatter Plugin | Tags: , , , , , |

An introduction to the IntelliJ JSON Formatter to ease Grails development and easily format your JSON code.

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