Contribute an extension bundle

You can contribute an extension bundle to the JDT for extra functionalities such as debugging, PDE development support, decompiler, etc.

Plugin.xml

Implement DelegateCommandHandler

Create an jdt.ls extension

You can bootstrap the development of a JDT.LS extension by using this Maven archetype:

https://github.com/open-archetypes/jdt.ls-extension-archetype

See it in action: https://www.screencast.com/t/eIFXRxA6at8z

Use the jdt.ls extension

The client can start the server with initializationOptions having a bundles list of jar paths to load on the server side, like https://github.com/redhat-developer/vscode-java/blob/78f4d6662b2098a4255d0f33f1675244ee92a11c/src/extension.ts#L56

The jars can be found inside the zip archive created by running mvn package.