feat(languages): Configure java

lua/plugins/languages/java.lua

@@ -0,0 +1,25 @@
+return {
+	"mfussenegger/nvim-jdtls",
+	opts = {
+		cmd = { "jdtls" },
+	},
+	ft = { "java" },
+	cond = function(_)
+		return vim.fn.executable("jdtls") ~= 0
+			and vim.fn.executable("python3") ~= 0
+	end,
+	config = function(_, opts)
+		if (opts.root_dir == nil) then
+			opts.root_dir = vim.fs.dirname(vim.fs.find({'gradlew', '.git', 'mvnw'}, { upward = true })[1])
+		end
+
+		vim.api.nvim_create_autocmd({ "FileType" }, {
+			group = vim.api.nvim_create_augroup("UserLspConfig", {}),
+			callback = function(ev)
+				if (ev.match == "java") then
+					require("jdtls").start_or_attach(opts)
+				end
+			end,
+		})
+	end,
+}