256 lines
7.3 KiB
Lua
256 lines
7.3 KiB
Lua
-- IMPORTANT: Make sure you're $JAVA_HOME is correct (prob should be 17 or higher)
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local java_cmds = vim.api.nvim_create_augroup('java_cmds', {clear = true})
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local cache_vars = {}
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local root_files = {
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'.git',
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'mvnw',
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'gradlew',
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'pom.xml',
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'build.gradle',
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}
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local features = {
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-- change this to `true` to enable codelens
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codelens = true,
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-- change this to `true` if you have `nvim-dap`,
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-- `java-test` and `java-debug-adapter` installed
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debugger = false,
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}
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local function get_jdtls_paths()
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if cache_vars.paths then
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return cache_vars.paths
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end
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local path = {}
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path.data_dir = vim.fn.stdpath('cache') .. '/nvim-jdtls'
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local jdtls_install = require('mason-registry').get_package('jdtls'):get_install_path()
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path.java_agent = jdtls_install .. '/lombok.jar'
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path.launcher_jar = vim.fn.glob(jdtls_install .. '/plugins/org.eclipse.equinox.launcher_*.jar')
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path.platform_config = jdtls_install .. '/config_linux'
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path.bundles = {}
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-- Include java-test bundle if present
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local java_test_path = require('mason-registry')
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.get_package('java-test')
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:get_install_path()
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local java_test_bundle = vim.split(
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vim.fn.glob(java_test_path .. '/extension/server/*.jar'),
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'\n'
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)
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if java_test_bundle[1] ~= '' then
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vim.list_extend(path.bundles, java_test_bundle)
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end
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-- Include java-debug-adapter bundle if present
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local java_debug_path = require('mason-registry')
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.get_package('java-debug-adapter')
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:get_install_path()
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local java_debug_bundle = vim.split(
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vim.fn.glob(java_debug_path .. '/extension/server/com.microsoft.java.debug.plugin-*.jar'),
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'\n'
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)
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if java_debug_bundle[1] ~= '' then
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vim.list_extend(path.bundles, java_debug_bundle)
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end
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-- Useful if you're starting jdtls with a Java version that's
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-- different from the one the project uses.
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path.runtimes = {
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-- Note: the field `name` must be a valid `ExecutionEnvironment`,
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-- you can find the list here:
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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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--
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-- This example assume you are using sdkman: https://sdkman.io
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-- {
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-- name = 'JavaSE-17',
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-- path = vim.fn.expand('~/.sdkman/candidates/java/17.0.6-tem'),
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-- },
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-- {
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-- name = 'JavaSE-18',
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-- path = vim.fn.expand('~/.sdkman/candidates/java/18.0.2-amzn'),
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-- },
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}
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cache_vars.paths = path
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return path
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end
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local function enable_codelens(bufnr)
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pcall(vim.lsp.codelens.refresh)
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vim.api.nvim_create_autocmd('BufWritePost', {
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buffer = bufnr,
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group = java_cmds,
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desc = 'refresh codelens',
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callback = function()
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pcall(vim.lsp.codelens.refresh)
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end,
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})
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end
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local function enable_debugger(bufnr)
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require('jdtls').setup_dap({hotcodereplace = 'auto'})
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require('jdtls.dap').setup_dap_main_class_configs()
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local opts = {buffer = bufnr}
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vim.keymap.set('n', '<leader>df', "<cmd>lua require('jdtls').test_class()<cr>", opts)
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vim.keymap.set('n', '<leader>dn', "<cmd>lua require('jdtls').test_nearest_method()<cr>", opts)
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end
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local function jdtls_on_attach(client, bufnr)
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if features.debugger then
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enable_debugger(bufnr)
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end
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if features.codelens then
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enable_codelens(bufnr)
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end
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-- The following mappings are based on the suggested usage of nvim-jdtls
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-- https://github.com/mfussenegger/nvim-jdtls#usage
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local opts = {buffer = bufnr}
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vim.keymap.set('n', 'cri', "<cmd>lua require('jdtls').organize_imports()<cr>", opts)
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vim.keymap.set('n', 'crv', "<cmd>lua require('jdtls').extract_variable()<cr>", opts)
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vim.keymap.set('x', 'crv', "<esc><cmd>lua require('jdtls').extract_variable(true)<cr>", opts)
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vim.keymap.set('n', 'crc', "<cmd>lua require('jdtls').extract_constant()<cr>", opts)
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vim.keymap.set('x', 'crc', "<esc><cmd>lua require('jdtls').extract_constant(true)<cr>", opts)
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vim.keymap.set('x', 'crm', "<esc><Cmd>lua require('jdtls').extract_method(true)<cr>", opts)
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end
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local function jdtls_setup(event)
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local jdtls = require('jdtls')
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local path = get_jdtls_paths()
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local data_dir = path.data_dir .. '/' .. vim.fn.fnamemodify(vim.fn.getcwd(), ':p:h:t')
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if cache_vars.capabilities == nil then
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jdtls.extendedClientCapabilities.resolveAdditionalTextEditsSupport = true
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local ok_cmp, cmp_lsp = pcall(require, 'cmp_nvim_lsp')
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cache_vars.capabilities = vim.tbl_deep_extend(
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'force',
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vim.lsp.protocol.make_client_capabilities(),
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ok_cmp and cmp_lsp.default_capabilities() or {}
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)
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end
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-- The command that starts the language server
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-- See: https://github.com/eclipse/eclipse.jdt.ls#running-from-the-command-line
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local cmd = {
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'java',
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'-Declipse.application=org.eclipse.jdt.ls.core.id1',
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'-Dosgi.bundles.defaultStartLevel=4',
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'-Declipse.product=org.eclipse.jdt.ls.core.product',
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'-Dlog.protocol=true',
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'-Dlog.level=ALL',
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'-javaagent:' .. path.java_agent,
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'-Xms1G',
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'--add-modules=ALL-SYSTEM',
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'--add-opens',
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'java.base/java.util=ALL-UNNAMED',
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'--add-opens',
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'java.base/java.lang=ALL-UNNAMED',
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'-jar', path.launcher_jar,
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'-configuration', path.platform_config,
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'-data', data_dir,
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}
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local lsp_settings = {
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java = {
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-- jdt = {
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-- ls = {
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-- vmargs = "-XX:+UseParallelGC -XX:GCTimeRatio=4 -XX:AdaptiveSizePolicyWeight=90 -Dsun.zip.disableMemoryMapping=true -Xmx1G -Xms100m"
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-- }
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-- },
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eclipse = {
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downloadSources = true,
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},
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configuration = {
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updateBuildConfiguration = 'interactive',
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runtimes = path.runtimes,
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},
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maven = {
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downloadSources = true,
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},
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implementationsCodeLens = {
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enabled = true,
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},
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referencesCodeLens = {
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enabled = true,
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},
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-- inlayHints = {
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-- parameterNames = {
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-- enabled = 'all' -- literals, all, none
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-- }
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-- },
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format = {
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enabled = true,
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-- settings = {
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-- profile = 'asdf'
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-- },
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}
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},
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signatureHelp = {
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enabled = true,
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},
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completion = {
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favoriteStaticMembers = {
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'org.hamcrest.MatcherAssert.assertThat',
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'org.hamcrest.Matchers.*',
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'org.hamcrest.CoreMatchers.*',
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'org.junit.jupiter.api.Assertions.*',
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'java.util.Objects.requireNonNull',
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'java.util.Objects.requireNonNullElse',
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'org.mockito.Mockito.*',
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},
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},
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contentProvider = {
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preferred = 'fernflower',
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},
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extendedClientCapabilities = jdtls.extendedClientCapabilities,
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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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codeGeneration = {
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toString = {
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template = '${object.className}{${member.name()}=${member.value}, ${otherMembers}}',
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},
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useBlocks = true,
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},
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}
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-- This starts a new client & server,
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-- or attaches to an existing client & server depending on the `root_dir`.
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jdtls.start_or_attach({
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cmd = cmd,
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settings = lsp_settings,
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on_attach = jdtls_on_attach,
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capabilities = cache_vars.capabilities,
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root_dir = jdtls.setup.find_root(root_files),
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flags = {
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allow_incremental_sync = true,
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},
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init_options = {
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bundles = path.bundles,
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},
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})
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end
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vim.api.nvim_create_autocmd('FileType', {
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group = java_cmds,
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pattern = {'java'},
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desc = 'Setup jdtls',
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callback = jdtls_setup,
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})
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