[alxeder]

why can't you use maven for downloading maven dependencies?

[lukaseder]

This solution uses Maven behind the scenes, but the Maven interfacing is governed by JavaScript code

[needusername]

> This solution uses Maven behind the scenes

With a fake POM and shelling out (and uses the go-offline goal, it could be argued that copy-dependencies is probably what you want). The proper way would be to use Aether.