While setting up my IDE for my latest open source project -- jamecs, I stumbled upon the maven plugin for Idea. Intellij's Idea (my favorite IDE, it is truely "develop with pleasure" IDE .. I know many Eclipse fans disagree .. a topic for some other day
) has got terrific Ant integration and by adding the library folder (some thing like 'lib') into the classpath is all that it needs.
However with Maven it is not as easy because the dependent jars are not in a simple folder to add into the path. Here comes the Idea plugin that comes with Maven. At the command line go the root of the project and type (I'm assuming you already have your code and content checked out from the repository):
maven idea
It creates Idea's project files -- .ipr, .iml and .iws files!
I heard about MavenIDE for Idea integration, may be I will try that some time soon ..

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