kickstart.nvim/ftplugin/java.lua

122 lines
4.4 KiB
Lua

-- ftplugin/java.lua
-- This file is automatically loaded when a Java file is opened.
-- It configures jdtls (Eclipse JDT Language Server) for Java development.
local jdtls = require 'jdtls'
-- Mason install paths
local mason_path = vim.fn.stdpath 'data' .. '/mason/packages'
local jdtls_path = mason_path .. '/jdtls'
local java_debug_path = mason_path .. '/java-debug-adapter'
local java_test_path = mason_path .. '/java-test'
-- Detect the OS for the jdtls config directory
local os_config = 'config_linux'
if vim.fn.has 'mac' == 1 then
os_config = 'config_mac'
elseif vim.fn.has 'win32' == 1 then
os_config = 'config_win'
end
-- Find the launcher jar
local launcher_jar = vim.fn.glob(jdtls_path .. '/plugins/org.eclipse.equinox.launcher_*.jar')
-- Determine the project name for workspace isolation
local project_name = vim.fn.fnamemodify(vim.fn.getcwd(), ':p:h:t')
local workspace_dir = vim.fn.stdpath 'data' .. '/jdtls-workspace/' .. project_name
-- Find the root directory of the project
local root_dir = require('jdtls.setup').find_root { 'pom.xml', 'build.gradle', 'gradlew', '.git', 'mvnw' }
-- Collect debug and test bundles
local bundles = {}
-- java-debug-adapter
local debug_jar = vim.fn.glob(java_debug_path .. '/extension/server/com.microsoft.java.debug.plugin-*.jar', true)
if debug_jar ~= '' then
table.insert(bundles, debug_jar)
end
-- java-test
local test_jars = vim.split(vim.fn.glob(java_test_path .. '/extension/server/*.jar', true), '\n')
for _, jar in ipairs(test_jars) do
if jar ~= '' then
table.insert(bundles, jar)
end
end
-- jdtls configuration
local config = {
cmd = {
'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',
'-Xmx1g',
'--add-modules=ALL-SYSTEM',
'--add-opens', 'java.base/java.util=ALL-UNNAMED',
'--add-opens', 'java.base/java.lang=ALL-UNNAMED',
'-jar', launcher_jar,
'-configuration', jdtls_path .. '/' .. os_config,
'-data', workspace_dir,
},
root_dir = root_dir,
settings = {
java = {
signatureHelp = { enabled = true },
contentProvider = { preferred = 'fernflower' },
completion = {
favoriteStaticMembers = {
'org.junit.jupiter.api.Assertions.*',
'org.mockito.Mockito.*',
'org.mockito.ArgumentMatchers.*',
'java.util.Objects.requireNonNull',
'java.util.Objects.requireNonNullElse',
},
},
sources = {
organizeImports = {
starThreshold = 9999,
staticStarThreshold = 9999,
},
},
},
},
init_options = {
bundles = bundles,
},
-- Called when jdtls attaches to a buffer
on_attach = function(_, bufnr)
-- Enable debug and test support after LSP is ready
jdtls.setup_dap { hotcodereplace = 'auto' }
require('jdtls.dap').setup_dap_main_class_configs()
local opts = { buffer = bufnr }
-- Java-specific keymaps under <leader>j
vim.keymap.set('n', '<leader>ji', jdtls.organize_imports, vim.tbl_extend('force', opts, { desc = '[J]ava Organize [I]mports' }))
vim.keymap.set('n', '<leader>jc', jdtls.extract_constant, vim.tbl_extend('force', opts, { desc = '[J]ava Extract [C]onstant' }))
vim.keymap.set('v', '<leader>jm', function() jdtls.extract_method(true) end, vim.tbl_extend('force', opts, { desc = '[J]ava Extract [M]ethod' }))
vim.keymap.set('v', '<leader>jv', jdtls.extract_variable, vim.tbl_extend('force', opts, { desc = '[J]ava Extract [V]ariable' }))
-- Test keymaps using neotest
local neotest = require 'neotest'
vim.keymap.set('n', '<leader>jt', function() neotest.run.run() end, vim.tbl_extend('force', opts, { desc = '[J]ava Run [T]est (cursor)' }))
vim.keymap.set('n', '<leader>jf', function() neotest.run.run(vim.fn.expand '%') end, vim.tbl_extend('force', opts, { desc = '[J]ava Run Tests [F]ile' }))
vim.keymap.set('n', '<leader>js', function() neotest.summary.toggle() end, vim.tbl_extend('force', opts, { desc = '[J]ava Test [S]ummary' }))
vim.keymap.set('n', '<leader>jo', function() neotest.output.open { enter = true } end, vim.tbl_extend('force', opts, { desc = '[J]ava Test [O]utput' }))
-- Debug test under cursor
vim.keymap.set('n', '<leader>jd', function() neotest.run.run { strategy = 'dap' } end, vim.tbl_extend('force', opts, { desc = '[J]ava [D]ebug Test' }))
end,
}
-- Start or attach jdtls
jdtls.start_or_attach(config)