228 lines
8.6 KiB
Lua
228 lines
8.6 KiB
Lua
local Util = require("lazyvim.util")
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-- This is the same as in lspconfig.server_configurations.jdtls, but avoids
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-- needing to require that when this module loads.
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local java_filetypes = { "java" }
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-- Utility function to extend or override a config table, similar to the way
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-- that Plugin.opts works.
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---@param config table
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---@param custom function | table | nil
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local function extend_or_override(config, custom, ...)
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if type(custom) == "function" then
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config = custom(config, ...) or config
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elseif custom then
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config = vim.tbl_deep_extend("force", config, custom) --[[@as table]]
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end
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return config
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end
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return {
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-- Add java to treesitter.
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{
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"nvim-treesitter/nvim-treesitter",
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opts = function(_, opts)
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opts.ensure_installed = opts.ensure_installed or {}
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vim.list_extend(opts.ensure_installed, { "java" })
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end,
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},
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-- Ensure java debugger and test packages are installed.
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{
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"mfussenegger/nvim-dap",
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optional = true,
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dependencies = {
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{
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"williamboman/mason.nvim",
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opts = function(_, opts)
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opts.ensure_installed = opts.ensure_installed or {}
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vim.list_extend(opts.ensure_installed, { "java-test", "java-debug-adapter" })
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end,
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},
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},
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},
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-- Configure nvim-lspconfig to install the server automatically via mason, but
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-- defer actually starting it to our configuration of nvim-jtdls below.
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{
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"neovim/nvim-lspconfig",
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opts = {
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-- make sure mason installs the server
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servers = {
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jdtls = {},
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},
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setup = {
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jdtls = function()
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return true -- avoid duplicate servers
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end,
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},
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},
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},
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-- Set up nvim-jdtls to attach to java files.
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{
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"mfussenegger/nvim-jdtls",
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dependencies = { "folke/which-key.nvim" },
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ft = java_filetypes,
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opts = function()
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return {
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-- How to find the root dir for a given filename. The default comes from
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-- lspconfig which provides a function specifically for java projects.
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root_dir = require("lspconfig.server_configurations.jdtls").default_config.root_dir,
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-- How to find the project name for a given root dir.
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project_name = function(root_dir)
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return root_dir and vim.fs.basename(root_dir)
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end,
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-- Where are the config and workspace dirs for a project?
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jdtls_config_dir = function(project_name)
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return vim.fn.stdpath("cache") .. "/jdtls/" .. project_name .. "/config"
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end,
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jdtls_workspace_dir = function(project_name)
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return vim.fn.stdpath("cache") .. "/jdtls/" .. project_name .. "/workspace"
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end,
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-- How to run jdtls. This can be overridden to a full java command-line
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-- if the Python wrapper script doesn't suffice.
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cmd = { vim.fn.exepath("jdtls") },
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full_cmd = function(opts)
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local fname = vim.api.nvim_buf_get_name(0)
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local root_dir = opts.root_dir(fname)
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local project_name = opts.project_name(root_dir)
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local cmd = vim.deepcopy(opts.cmd)
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if project_name then
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vim.list_extend(cmd, {
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"-configuration",
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opts.jdtls_config_dir(project_name),
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"-data",
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opts.jdtls_workspace_dir(project_name),
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})
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end
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return cmd
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end,
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-- These depend on nvim-dap, but can additionally be disabled by setting false here.
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dap = { hotcodereplace = "auto", config_overrides = {} },
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test = true,
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}
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end,
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config = function()
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local opts = Util.opts("nvim-jdtls") or {}
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-- Find the extra bundles that should be passed on the jdtls command-line
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-- if nvim-dap is enabled with java debug/test.
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local mason_registry = require("mason-registry")
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local bundles = {} ---@type string[]
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if opts.dap and Util.has("nvim-dap") and mason_registry.is_installed("java-debug-adapter") then
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local java_dbg_pkg = mason_registry.get_package("java-debug-adapter")
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local java_dbg_path = java_dbg_pkg:get_install_path()
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local jar_patterns = {
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java_dbg_path .. "/extension/server/com.microsoft.java.debug.plugin-*.jar",
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}
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-- java-test also depends on java-debug-adapter.
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if opts.test and mason_registry.is_installed("java-test") then
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local java_test_pkg = mason_registry.get_package("java-test")
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local java_test_path = java_test_pkg:get_install_path()
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vim.list_extend(jar_patterns, {
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java_test_path .. "/extension/server/*.jar",
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})
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end
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for _, jar_pattern in ipairs(jar_patterns) do
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for _, bundle in ipairs(vim.split(vim.fn.glob(jar_pattern), "\n")) do
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table.insert(bundles, bundle)
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end
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end
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end
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local function attach_jdtls()
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local fname = vim.api.nvim_buf_get_name(0)
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-- Configuration can be augmented and overridden by opts.jdtls
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local config = extend_or_override({
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cmd = opts.full_cmd(opts),
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root_dir = opts.root_dir(fname),
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init_options = {
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bundles = bundles,
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},
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-- enable CMP capabilities
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capabilities = require("cmp_nvim_lsp").default_capabilities(),
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}, opts.jdtls)
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-- Existing server will be reused if the root_dir matches.
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require("jdtls").start_or_attach(config)
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-- not need to require("jdtls.setup").add_commands(), start automatically adds commands
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end
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-- Attach the jdtls for each java buffer. HOWEVER, this plugin loads
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-- depending on filetype, so this autocmd doesn't run for the first file.
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-- For that, we call directly below.
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vim.api.nvim_create_autocmd("FileType", {
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pattern = java_filetypes,
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callback = attach_jdtls,
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})
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-- Setup keymap and dap after the lsp is fully attached.
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-- https://github.com/mfussenegger/nvim-jdtls#nvim-dap-configuration
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-- https://neovim.io/doc/user/lsp.html#LspAttach
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vim.api.nvim_create_autocmd("LspAttach", {
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callback = function(args)
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local client = vim.lsp.get_client_by_id(args.data.client_id)
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if client and client.name == "jdtls" then
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local wk = require("which-key")
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wk.register({
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["<leader>cx"] = { name = "+extract" },
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["<leader>cxv"] = { require("jdtls").extract_variable_all, "Extract Variable" },
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["<leader>cxc"] = { require("jdtls").extract_constant, "Extract Constant" },
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["gs"] = { require("jdtls").super_implementation, "Goto Super" },
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["gS"] = { require("jdtls.tests").goto_subjects, "Goto Subjects" },
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["<leader>co"] = { require("jdtls").organize_imports, "Organize Imports" },
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}, { mode = "n", buffer = args.buf })
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wk.register({
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["<leader>c"] = { name = "+code" },
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["<leader>cx"] = { name = "+extract" },
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["<leader>cxm"] = {
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[[<ESC><CMD>lua require('jdtls').extract_method(true)<CR>]],
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"Extract Method",
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},
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["<leader>cxv"] = {
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[[<ESC><CMD>lua require('jdtls').extract_variable_all(true)<CR>]],
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"Extract Variable",
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},
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["<leader>cxc"] = {
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[[<ESC><CMD>lua require('jdtls').extract_constant(true)<CR>]],
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"Extract Constant",
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},
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}, { mode = "v", buffer = args.buf })
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if opts.dap and Util.has("nvim-dap") and mason_registry.is_installed("java-debug-adapter") then
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-- custom init for Java debugger
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require("jdtls").setup_dap(opts.dap)
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require("jdtls.dap").setup_dap_main_class_configs()
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-- Java Test require Java debugger to work
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if opts.test and mason_registry.is_installed("java-test") then
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-- custom keymaps for Java test runner (not yet compatible with neotest)
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wk.register({
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["<leader>t"] = { name = "+test" },
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["<leader>tt"] = { require("jdtls.dap").test_class, "Run All Test" },
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["<leader>tr"] = { require("jdtls.dap").test_nearest_method, "Run Nearest Test" },
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["<leader>tT"] = { require("jdtls.dap").pick_test, "Run Test" },
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}, { mode = "n", buffer = args.buf })
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end
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end
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-- User can set additional keymaps in opts.on_attach
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if opts.on_attach then
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opts.on_attach(args)
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end
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end
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end,
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})
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-- Avoid race condition by calling attach the first time, since the autocmd won't fire.
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attach_jdtls()
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end,
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},
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}
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