From e4e57e989518da6f1983fc7220cae205f0f10feb Mon Sep 17 00:00:00 2001
From: sadanslargehole <sadan@sadanslargehole.com>
Date: Wed, 22 May 2024 00:52:24 -0400
Subject: [PATCH] jdtls

---
 lua/keymap.lua   |   1 +
 lua/plugins.lua  |  18 +++++---
 lua/setuplsp.lua | 111 ++++++++++++++++++++++++++++++++++++++++++-----
 3 files changed, 114 insertions(+), 16 deletions(-)

diff --git a/lua/keymap.lua b/lua/keymap.lua
index 07c7dbf..3d7283c 100644
--- a/lua/keymap.lua
+++ b/lua/keymap.lua
@@ -69,3 +69,4 @@ vim.keymap.set("n", "<leader>w", ":SudaWrite<CR>", {
 vim.keymap.set("n", "<leader>h", ":%S/", {
 	noremap = true,
 })
+vim.keymap.set({ "n", "v" }, "<leader>se", require("nvim-emmet").wrap_with_abbreviation)
diff --git a/lua/plugins.lua b/lua/plugins.lua
index d3d2e62..e11dd2f 100644
--- a/lua/plugins.lua
+++ b/lua/plugins.lua
@@ -1,13 +1,19 @@
 local plugins = {
+    {
+        "mfussenegger/nvim-jdtls"
+    },
+	{
+		"olrtg/nvim-emmet",
+	},
 	{
 		"lambdalisue/suda.vim",
 	},
-    {
-        "sadan4/eregex.vim"
-    },
-    {
-        "windwp/nvim-ts-autotag"
-    },
+	{
+		"sadan4/eregex.vim",
+	},
+	{
+		"windwp/nvim-ts-autotag",
+	},
 	{
 		"barrett-ruth/live-server.nvim",
 		build = "pnpm add -g live-server",
diff --git a/lua/setuplsp.lua b/lua/setuplsp.lua
index 2d862ab..fbe9ba4 100644
--- a/lua/setuplsp.lua
+++ b/lua/setuplsp.lua
@@ -10,9 +10,104 @@ capabilities.textDocument.foldingRange = {
 	lineFoldingOnly = true,
 }
 
-require'lspconfig'.emmet_ls.setup{
-    capabilities = capabilities,
-}
+-- jdtls
+local function setupJDTLS()
+	local mason_registry = require("mason-registry")
+	local jdtls = require("jdtls")
+
+	-- Early termination if jdtls is not installed
+	if not mason_registry.is_installed("jdtls") then
+		print("jdtls is not installed via Mason.")
+		return
+	end
+	local function find_launcher_jar(jdtls_path)
+		local plugins_path = jdtls_path .. "/plugins"
+		local find_command = "find '"
+			.. plugins_path
+			.. "' -type f -name 'org.eclipse.equinox.launcher_*.jar' -print -quit"
+
+		local handle = io.popen(find_command)
+
+		if handle == nil then
+			return
+		end
+
+		local result = handle:read("*l") -- Read only the first line of output
+		handle:close()
+
+		return result -- directly return the path
+	end
+	local jdtls_path = mason_registry.get_package("jdtls"):get_install_path()
+	local path_to_launcher = find_launcher_jar(jdtls_path)
+	local path_to_lsp_server = jdtls_path .. "/config_linux"
+	local lombok_path = jdtls_path .. "/lombok.jar"
+
+	--   local bundles = {
+	--   vim.fn.glob(vim.fn.expand '~/.config/java-debug/com.microsoft.java.debug.plugin/target/com.microsoft.java.debug.plugin-0.52.0.jar', true),
+	-- }
+	-- vim.list_extend(bundles, vim.split(vim.fn.glob(vim.fn.stdpath 'config' .. '/resources/vscode-java-test-main/server/*.jar', true), '\n'))
+	local function makeandgetpath()
+        local root = require('jdtls.setup').find_root({'.git', 'mvnw', 'gradlew'});
+		local path =  root .. "./data"
+		os.execute("mkdir -p " .. path)
+		return path
+	end
+	local config = {
+		cmd = {
+			os.getenv("JAVA_HOME") .. "/bin/java",
+			"-Declipse.application=org.eclipse.jdt.ls.core.id1",
+			"-Dosgi.bundles.defaultStartLevel=4",
+			"-Declipse.product=org.eclipse.jdt.ls.core.product",
+			"-Dlog.protocol=true",
+			"-Dlog.level=ALL",
+			-- '-javaagent:' .. lombok_path, -- Why?
+			"-Xmx1g",
+			"--add-modules=ALL-SYSTEM",
+			"--add-opens",
+			"java.base/java.util=ALL-UNNAMED",
+			"--add-opens",
+			"java.base/java.lang=ALL-UNNAMED",
+			"-jar",
+			path_to_launcher,
+			"-configuration",
+			path_to_lsp_server,
+			"-data",
+			makeandgetpath(),
+		},
+
+		root_dir = require('jdtls.setup').find_root({'.git', 'mvnw', 'gradlew'}),
+
+		-- Further configuration
+		settings = {
+			java = {},
+		},
+
+		flags = {
+			allow_incremental_sync = true,
+		},
+
+		init_options = {
+			-- bundles = bundles,
+			bundles = {},
+		},
+	}
+	vim.api.nvim_create_autocmd("FileType", {
+		pattern = "java",
+		callback = function()
+			jdtls.start_or_attach(config)
+			-- require("jdtls").setup_dap()
+			vim.keymap.set({ "n", "i" }, "<A-F>", function()
+				require("jdtls").organize_imports()
+				vim.lsp.buf.format()
+			end, {})
+		end,
+	})
+end
+setupJDTLS()
+-- ENDjdtls
+require("lspconfig").emmet_language_server.setup({
+	capabilities = capabilities,
+})
 require("lspconfig").cssls.setup({
 	capabilities = capabilities,
 })
@@ -22,9 +117,9 @@ require("lspconfig").nginx_language_server.setup({
 require("lspconfig").bashls.setup({
 	capabilities = capabilities,
 })
-require'lspconfig'.html.setup {
-  capabilities = capabilities,
-}
+require("lspconfig").html.setup({
+	capabilities = capabilities,
+})
 require("lspconfig").nil_ls.setup({
 	capabilities = capabilities,
 })
@@ -64,10 +159,6 @@ require("lspconfig").tsserver.setup({
 require("lspconfig").kotlin_language_server.setup({
 	capabilities = capabilities,
 })
---Java
-require("lspconfig").java_language_server.setup({
-	capabilities = capabilities,
-})
 --Lua
 require("lspconfig").lua_ls.setup({
 	capabilities = capabilities,