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Set up jdtls for Java development
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‎init.lua‎

Lines changed: 165 additions & 6 deletions
Original file line numberDiff line numberDiff line change
@@ -140,6 +140,8 @@ vim.opt.rtp:prepend(lazypath)
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-- To update plugins you can run
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-- :Lazy update
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--
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-- See HACK below...
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jdtls_already_ran = false
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-- NOTE: Here is where you install your plugins.
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require('lazy').setup({
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@@ -438,6 +440,7 @@ require('lazy').setup({
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{ 'williamboman/mason.nvim', config = true }, -- NOTE: Must be loaded before dependants
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'williamboman/mason-lspconfig.nvim',
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'WhoIsSethDaniel/mason-tool-installer.nvim',
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'nvim-java/nvim-java',
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-- Useful status updates for LSP.
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-- NOTE: `opts = {}` is the same as calling `require('fidget').setup({})`
@@ -508,7 +511,7 @@ require('lazy').setup({
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-- Fuzzy find all the symbols in your current document.
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-- Symbols are things like variables, functions, types, etc.
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map('<leader>ds', require('telescope.builtin').lsp_document_symbols, '[D]ocument [S]ymbols')
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map('<leader>ds', require('telescope.builtin').treesitter, '[D]ocument [S]ymbols')
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-- Fuzzy find all the symbols in your current workspace.
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-- Similar to document symbols, except searches over your entire project.
@@ -639,6 +642,161 @@ require('lazy').setup({
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server.capabilities = vim.tbl_deep_extend('force', {}, capabilities, server.capabilities or {})
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require('lspconfig')[server_name].setup(server)
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end,
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jdtls = function()
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-- HACK: Don't know why this gets called more than once
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if jdtls_already_ran then
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return
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end
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jdtls_already_ran = true
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require('java').setup {
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-- Your custom jdtls settings goes here
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-- Do not automatically install JDK 17
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-- From: https://github.com/nvim-java/nvim-java/wiki/Q-&-A#no_entry-disable-openjdk-17-auto-installation
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jdk = {
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auto_install = false,
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},
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init_options = {
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documentSymbol = {
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dynamicRegistration = false,
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hierarchicalDocumentSymbolSupport = true,
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labelSupport = true,
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symbolKind = {
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valueSet = {
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},
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tagSupport = {
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valueSet = {},
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},
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},
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},
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},
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-- NOTE: custom java settings
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-- https://github.com/ray-x/lsp_signature.nvim/issues/97
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-- all options:
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-- https://github.com/mfussenegger/nvim-jdtls
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-- https://github.com/eclipse/eclipse.jdt.ls/wiki/Running-the-JAVA-LS-server-from-the-command-line#initialize-request
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single_file_support = true,
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settings = {
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java = {
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autobuild = { enabled = false },
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server = { launchMode = 'Hybrid' },
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eclipse = {
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downloadSources = true,
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},
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maven = {
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downloadSources = true,
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},
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import = {
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gradle = {
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enabled = true,
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},
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maven = {
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enabled = true,
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},
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exclusions = {
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'**/node_modules/**',
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'**/.metadata/**',
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'**/archetype-resources/**',
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'**/META-INF/maven/**',
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'/**/test/**',
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},
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},
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-- configuration = {
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-- runtimes = {
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-- {
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-- name = 'JavaSE-1.8',
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-- path = '~/.sdkman/candidates/java/8.0.402-tem',
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-- },
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-- {
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-- name = 'JavaSE-11',
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-- path = '~/.sdkman/candidates/java/11.0.22-tem',
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-- },
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-- {
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-- name = 'JavaSE-17',
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-- path = '~/.sdkman/candidates/java/17.0.10-tem',
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-- },
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-- {
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-- name = 'JavaSE-21',
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-- path = '~/.sdkman/candidates/java/21.0.3-tem',
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-- },
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-- },
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-- },
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references = {
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includeDecompiledSources = true,
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},
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implementationsCodeLens = {
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enabled = false,
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},
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referenceCodeLens = {
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enabled = false,
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},
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-- https://github.com/eclipse-jdtls/eclipse.jdt.ls/issues/2948
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inlayHints = {
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parameterNames = {
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---@type "none" | "literals" | "all"
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enabled = 'all',
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},
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},
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signatureHelp = {
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enabled = true,
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description = {
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enabled = true,
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},
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},
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symbols = {
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includeSourceMethodDeclarations = true,
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},
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-- https://stackoverflow.com/questions/74844019/neovim-setting-up-jdtls-with-lsp-zero-mason
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rename = { enabled = true },
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contentProvider = {
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preferred = 'fernflower',
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},
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sources = {
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organizeImports = {
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starThreshold = 9999,
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staticStarThreshold = 9999,
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},
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},
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},
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redhat = { telemetry = { enabled = false } },
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},
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}
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require('lspconfig').jdtls.setup { }
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end,
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},
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}
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end,
@@ -905,6 +1063,7 @@ require('lazy').setup({
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-- Uncomment any of the lines below to enable them (you will need to restart nvim).
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--
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-- require 'kickstart.plugins.debug',
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require 'kickstart.plugins.debug',
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-- require 'kickstart.plugins.indent_line',
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-- require 'kickstart.plugins.lint',
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-- require 'kickstart.plugins.autopairs',
@@ -1156,10 +1315,11 @@ local on_attach = function(_, bufnr)
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nmap('gr', require('telescope.builtin').lsp_references, '[G]oto [R]eferences')
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nmap('gI', require('telescope.builtin').lsp_implementations, '[G]oto [I]mplementation')
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nmap('<leader>D', vim.lsp.buf.type_definition, 'Type [D]efinition')
1159-
-- Just show classes and functions
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nmap('<leader>ds', function()
1161-
require('telescope.builtin').lsp_document_symbols { ignore_symbols = { 'variable', 'constant' } }
1162-
end, '[D]ocument [S]ymbols')
1318+
1319+
-- HACK: I can't get lsp_document_symbols to work for jdtls for some reason...
1320+
-- nmap('<leader>ds', function()
1321+
-- require('telescope.builtin').lsp_document_symbols { ignore_symbols = { 'variable', 'constant' } }
1322+
-- end, '[D]ocument [S]ymbols')
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nmap('<leader>ws', require('telescope.builtin').lsp_dynamic_workspace_symbols, '[W]orkspace [S]ymbols')
11641324

11651325
-- See `:help K` for why this keymap
@@ -1212,7 +1372,6 @@ local servers = {
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bashls = {},
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groovyls = {},
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intelephense = {},
1215-
jdtls = {},
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jsonls = {},
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lua_ls = {
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Lua = {

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