nvim: refactor jdtls configuration

.config/nvim/ftplugin/java.lua

@@ -0,0 +1,18 @@
+local mylsp = require("lsp")
+local capabilities = mylsp.capabilities
+local on_attach = mylsp.on_attach
+
+-- Java
+local config = {
+    on_attach = on_attach,
+    capabilities = capabilities,
+    cmd = {
+        -- https://github.com/NixOS/nixpkgs/issues/232822#issuecomment-1564243667
+        -- `-data` argument is necessary
+        "jdtls",
+        "-data",
+        vim.fn.expand("~/.cache/jdtls") .. vim.fn.expand("%:p:h"),
+    },
+    root_dir = vim.fs.dirname(vim.fs.find({ "gradlew", ".git", "mvnw" }, { upward = true })[1]),
+}
+require("jdtls").start_or_attach(config)

.config/nvim/plugin/lsp.lua

@@ -120,26 +120,3 @@ for name, config in pairs(servers) do
         end,
     }
 end
-
-------------------------
--- Standalone plugins --
-------------------------
--- Java
-local config = {
-    on_attach = mylsp.on_attach,
-    capabilities = mylsp.capabilities,
-    cmd = {
-        -- https://github.com/NixOS/nixpkgs/issues/232822#issuecomment-1564243667
-        -- `-data` argument is necessary
-        "jdtls",
-        "-data",
-        vim.fn.expand("~/.cache/jdtls") .. vim.fn.expand("%:p:h"),
-    },
-    root_dir = vim.fs.dirname(vim.fs.find({ "gradlew", ".git", "mvnw" }, { upward = true })[1]),
-}
-local jdtls_group = vim.api.nvim_create_augroup("jdtls", { clear = true })
-vim.api.nvim_create_autocmd("FileType", {
-    pattern = { "java" },
-    callback = function() require("jdtls").start_or_attach(config) end,
-    group = jdtls_group,
-})