I’ve just open-sourced a work-in-progress implementation of Dhall for Java (and Scala) that Tim Spence and I have been working on for the past couple of weeks:
There’s some additional context about the project in this blog post.
There are a few remaining known issues, and the implementation needs some polish, but it’s not too far from being standard-compliant. I’m planning to publish an 0.1.0 release tomorrow, and hope to have a fully standard-compliant release ready in the next few weeks.
Any feedback would be much appreciated!