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)