neovim: Add java language server

users/simon/modules/neovim/default.nix

@@ -47,6 +47,7 @@ in
     ] ++ (lib.optionals nixosConfig.sbruder.full [
       gopls
       haskell-language-server
+      jdt-language-server
       rnix-lsp
       rust-analyzer
       (python3.withPackages (ps: with ps; [

users/simon/modules/neovim/init.lua

@@ -84,6 +84,7 @@ setup_filetype('dockerfile', 4)
 setup_filetype('gitcommit', nil, 'colorcolumn=72')
 setup_filetype('go', 4, 'noexpandtab')
 setup_filetype('haskell', 4)
+setup_filetype('java', 4)
 setup_filetype('lua', 4)
 setup_filetype('python', 4)
 setup_filetype('sh', 4, 'noexpandtab')
@@ -285,6 +286,10 @@ lsp.hls.setup {
     on_attach = on_attach,
     root_dir = lsp.util.root_pattern('*.cabal', 'stack.yaml', 'cabal.project', 'package.yaml', 'hie.yaml', '.git'),
 }
+lsp.jdtls.setup {
+    on_attach = on_attach,
+    cmd = {'jdt-language-server', '-configuration', '/home/simon/.cache/jdtls/config', '-data', '/home/simon/.cache/jdtls/workspace'}, -- copied from upstream, but changed executable name
+}
 lsp.pylsp.setup {
     on_attach = on_attach,
 }