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# Wednesday, 30 September 2009


A great but oft-ignored feature of Visual Studio 2005 and up is the inherent consolidation of an important developer tool: the build system. With a Visual Studio solution you can simply run MSBuild and you get accurate, automated builds. This is an invaluable capability: continuous integration is ridiculously easy to set up, as are nightly builds and automated deployment tools.

Since I started working for Delver (now Sears) I’ve been switching back and forth between C# (2.0 and later 3.0) and Java 1.6, and though the ecosystems share many similarities there are also several glaring differences. The first of these differences is that, in the Java world, it is perfectly acceptable – even traditional – to maintain a dual project structure, one using the IDE (usually Eclipse or IntelliJ IDEA) and one using one of the build tools (commonly Ant or Maven). The build scripts need to be continuously synchronized with the project structure, and output parity between the two separate build systems is almost unheard-of.

Because I had been a complete Java newbie when I started, I had never had the time to really sit down and set up a continuous integration server for our Java codebase, a mistake I did not intent to repeat when Sears took over. The first item on my agenda was to do away with the dual project structure; we originally used Eclipse, so I built a custom Ant script (my first, actually) around ant4eclipse and managed to come up with a semi-satisfactory solution. This also gave us invaluable insight when it was time to revisit our IDE choice; the lackluster project structure offered by Eclipse, along with firm positive comments on IntelliJ IDEA from several team members, tipped the balance and led us to switch to the alternative IDE, while also creating the necessity for a revamped build system can that work on top of the IntelliJ IDEA project structure.

Out of necessity, a project was born. ant-intellij-tasks is the result of several months of all-night itch-scratching on my part. While not directly affiliated with the company, we’ve been dogfooding the project at Sears for over a month now, and while there are certainly rough edges it finally seems stable enough for release! From the project website:

ant-intellij-tasks is a self-contained build system for IntelliJ IDEA projects based around Apache Ant. In essence, ant-intellij-tasks comprises three components:

  1. An Ant task library that can extract and resolve the IntelliJ IDEA project and module files (.ipr and .iml respectively), and provides a set of tasks and conditions around the project structure;
  2. A common build script which provides the four major build targets for modules: clean, build, test and package (see the quickstart guide);
  3. A master build script which extends these targets to the entire project.

The build system is designed to be extensible (e.g. by adding targets), customizable (e.g. by overriding a target's behavior for a specific module) and self contained in that it's a drop-in solution that should not require any significant modifications to the code base.


This project is fully open source (distributed under an Apache license) and hosted at Google Code. Please report any bugs or issues on the project issue tracker.


ant-intellij-tasks makes use of, and redistributes, the ant-contrib task library.

Wednesday, 30 September 2009 08:18:58 (Jerusalem Standard Time, UTC+02:00)  #    -
Development | Java | Software | ant-intellij-tasks
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