LightningJ is a project with the intention to simplify the integration of existing Lightning node implementations for Java developers. It contains simple to use API implementations and converters between JSON, XML.
More information and source code can be found on the Github site. There it is possible to report issues and contribute code.
If you are developing using the grails framework there is also a Grails 3.3+ plugin at https://grails.lightningj.org
If you are developing Paywall functionality using Java, check out LightningJ Paywall at: https://paywall.lightningj.org
If you want updates on this project, follow https://twitter.com/LightningJ_org on twitter.
Important: This API is still in beta and API methods might change before real production release.
All use of this library is on your own risk.