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197 lines
6.4 KiB
Lua

local M = {}
local HOME = os.getenv("HOME")
local SDKMAN_DIR = os.getenv("SDKMAN_DIR")
local lsp = require("lsp")
local jdtls = require("jdtls")
local root_markers = { "gradlew", "mvnw", ".git", "pom.xml", "build.gradle" }
local root_dir = require("jdtls.setup").find_root(root_markers)
-- eclipse.jdt.ls stores project specific data within a folder. If you are working
-- with multiple different projects, each project must use a dedicated data directory.
-- This variable is used to configure eclipse to use the directory name of the
-- current project found using the root_marker as the folder for project specific data.
local workspace_folder = HOME .. "/.local/share/eclipse/" .. vim.fn.fnamemodify(root_dir, ":p:h:t")
local bundles = {}
local mason_path = vim.fn.glob(vim.fn.stdpath("data") .. "/mason/")
vim.list_extend(bundles, vim.split(vim.fn.glob(mason_path .. "packages/java-test/extension/server/*.jar"), "\n"))
vim.list_extend(
bundles,
vim.split(
vim.fn.glob(mason_path .. "packages/java-debug-adapter/extension/server/com.microsoft.java.debug.plugin-*.jar"),
"\n"
)
)
local function nnoremap(rhs, lhs, bufopts, desc)
bufopts.desc = desc
vim.keymap.set("n", rhs, lhs, bufopts)
end
local on_attach = function(client, bufnr)
require("jdtls").setup_dap({ hotcodereplace = "auto" })
require("jdtls.dap").setup_dap_main_class_configs()
require("jdtls.setup").add_commands()
lsp.default_config.on_attach(client, bufnr)
-- Regular Neovim LSP client keymappings
local bufopts = { noremap = true, silent = true, buffer = bufnr }
nnoremap("<leader>lwa", vim.lsp.buf.add_workspace_folder, bufopts, "Add workspace folder")
nnoremap("<leader>lwr", vim.lsp.buf.remove_workspace_folder, bufopts, "Remove workspace folder")
nnoremap("<leader>lwl", function()
print(vim.inspect(vim.lsp.buf.list_workspace_folders()))
end, bufopts, "List workspace folders")
-- Java extensions provided by jdtls
nnoremap("<leader>lo", jdtls.organize_imports, bufopts, "Organize imports")
nnoremap("<leader>le", jdtls.extract_variable, bufopts, "Extract variable")
nnoremap("<leader>lc", jdtls.extract_constant, bufopts, "Extract constant")
vim.keymap.set(
"v",
"<leader>lm",
[[<ESC><CMD>lua require('jdtls').extract_method(true)<CR>]],
{ noremap = true, silent = true, buffer = bufnr, desc = "Extract method" }
)
nnoremap("<leader>tc", jdtls.test_class, bufopts, "Test class (DAP)")
nnoremap("<leader>tm", jdtls.test_nearest_method, bufopts, "Test method (DAP)")
end
local config = {
flags = {
debounce_text_changes = 80,
allow_incremental_sync = true,
},
on_attach = on_attach,
root_dir = root_dir,
init_options = {
bundles = bundles,
},
-- https://github.com/eclipse/eclipse.jdt.ls/wiki/Running-the-JAVA-LS-server-from-the-command-line#initialize-request
settings = {
java = {
format = {
settings = {
-- https://github.com/google/styleguide/blob/gh-pages/eclipse-java-google-style.xml
url = "/.local/share/eclipse/eclipse-java-google-style.xml",
profile = "GoogleStyle",
},
},
contentProvider = { preferred = "fernflower" }, -- Use fernflower to decompile library code
-- Specify any completion options
completion = {
maxResults = 30,
postfix = { enabled = true },
favoriteStaticMembers = {
"org.hamcrest.MatcherAssert.assertThat",
"org.hamcrest.Matchers.*",
"org.hamcrest.CoreMatchers.*",
"org.junit.jupiter.api.Assertions.*",
"java.util.Objects.requireNonNull",
"java.util.Objects.requireNonNullElse",
"org.mockito.Mockito.*",
},
filteredTypes = {
"com.sun.*",
"io.micrometer.shaded.*",
"java.awt.*",
"jdk.*",
"sun.*",
},
},
-- LSP Related
implementationsCodeLens = { enabled = true },
referenceCodeLens = { enabled = true },
signatureHelp = { enabled = true },
inlayHints = {
parameterNames = { enabled = true },
},
-- Specify any options for organizing imports
sources = {
organizeImports = {
starThreshold = 9999,
staticStarThreshold = 9999,
},
},
maven = {
downloadSources = true,
updateSnapshots = true,
},
-- On Save Cleanup
cleanup = {
actionsOnSave = {
"addOverride",
},
},
-- How code generation should act
codeGeneration = {
toString = {
template = "${object.className}{${member.name()}=${member.value}, ${otherMembers}}",
},
hashCodeEquals = {
useJava7Objects = true,
},
useBlocks = true,
},
-- https://github.com/eclipse/eclipse.jdt.ls/wiki/Running-the-JAVA-LS-server-from-the-command-line#initialize-request
-- `interface RuntimeOption`
configuration = {
maven = {
userSettings = HOME .. "/.m2/settings.xml",
},
runtimes = {
{
name = "JavaSE-17",
path = SDKMAN_DIR .. "/candidates/java/17.0.5-amzn",
},
{
name = "JavaSE-11",
path = SDKMAN_DIR .. "/candidates/java/11.0.18-amzn",
},
{
name = "JavaSE-1.8",
path = SDKMAN_DIR .. "/candidates/java/8.0.362-amzn",
},
},
},
},
},
-- Note that eclipse.jdt.ls must be started with a Java version of 17 or higher
-- See: https://github.com/eclipse/eclipse.jdt.ls#running-from-the-command-line
cmd = {
SDKMAN_DIR .. "/candidates/java/17.0.5-amzn/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",
"-Xmx4g",
"--add-modules=ALL-SYSTEM",
"--add-opens",
"java.base/java.util=ALL-UNNAMED",
"--add-opens",
"java.base/java.lang=ALL-UNNAMED",
-- If you use lombok, download the lombok jar and place it in ~/.local/share/eclipse
-- "-javaagent:"
-- .. HOME
-- .. "/.local/share/eclipse/lombok.jar",
"-jar",
vim.fn.glob(HOME .. "/.local/share/eclipse.jdt.ls/plugins/org.eclipse.equinox.launcher_*.jar"),
"-configuration",
HOME .. "/.local/share/eclipse.jdt.ls/config_linux",
"-data",
workspace_folder,
},
}
function M.make_jdtls_config()
return config
end
return M