init.lua @ 2784223dfc20ca4022b4f4c2079c5fa036547abd

A ftplugin/java.lua

@@ -0,0 +1,104 @@
+local function jdtls_on_attach(client, bufnr)
+  require "lsp.attach"(client, bufnr)
+  -- stylua: ignore start
+  vim.api.nvim_buf_set_keymap(bufnr, "n", "<leader>lI", "<cmd>lua require('jdtls').organize_imports()<CR>", { silent = true, noremap = true })
+  vim.api.nvim_buf_set_keymap(bufnr, "n", "<leader>Tc", "<cmd>lua require('jdtls').test_class()<CR>", { silent = true, noremap = true })
+  vim.api.nvim_buf_set_keymap(bufnr, "n", "<leader>Tn", "<cmd>lua require('jdtls').test_nearest_method()<CR>", { silent = true, noremap = true })
+  vim.api.nvim_buf_set_keymap(bufnr, "v", "<leader>lev", "<cmd>lua require('jdtls').extract_variable(true)<CR>", { silent = true, noremap = true })
+  vim.api.nvim_buf_set_keymap(bufnr, "v", "<leader>lem", "<cmd>lua require('jdtls').extract_method(true)<CR>", { silent = true, noremap = true })
+  -- stylua: ignore end
+end
+
+require("jdtls").start_or_attach {
+  on_attach = jdtls_on_attach,
+  root_dir = require("jdtls.setup").find_root { ".git", "build.xml", "pom.xml", "settings.gradle", "settings.gradle.kts" },
+  flags = { allow_incremental_sync = true },
+  capabilities = {
+    workspace = { configuration = true },
+    textDocument = { completion = { completionItem = { snippetSupport = true } } },
+  },
+  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",
+    "-Xms1g",
+    "--add-modules=ALL-SYSTEM",
+
+    "--add-opens",
+    "java.base/java.util=ALL-UNNAMED",
+    "--add-opens",
+    "java.base/java.lang=ALL-UNNAMED",
+
+    "-jar",
+    "$HOME/.local/share/nvim/lsp_servers/jdtls/plugins/org.eclipse.equinox.launcher_*.jar",
+
+    "-configuration",
+    "$HOME/.local/share/nvim/lsp_servers/jdtls/config_linux",
+  },
+  settings = {
+    java = {
+      signatureHelp = { enabled = true },
+      contentProvider = { preferred = "fernflower" },
+      sources = { organizeImports = {
+        starThreshold = 9999,
+        staticStarThreshold = 9999,
+      } },
+      codeGeneration = {
+        toString = { template = "${object.className}{${member.name()}=${member.value}, ${otherMembers}}" },
+        useBlocks = true,
+      },
+      configuration = {
+        runtimes = { { name = "JavaSE-11", path = "$HOME/.sdkman/candidates/java/11.0.11-open" } },
+      },
+    },
+  },
+}
+
+local finders = require "telescope.finders"
+local sorters = require "telescope.sorters"
+local actions = require "telescope.actions"
+local pickers = require "telescope.pickers"
+local action_state = require "telescope.actions.state"
+
+require("jdtls.ui").pick_one_async = function(items, prompt, label_fn, cb)
+  local opts = {
+    winblend = 15,
+    layout_config = {
+      prompt_position = "top",
+      width = 80,
+      height = 12,
+    },
+  }
+  pickers.new(opts, {
+    prompt_title = prompt,
+    finder = finders.new_table {
+      results = items,
+      entry_maker = function(entry)
+        return {
+          value = entry,
+          display = label_fn(entry),
+          ordinal = label_fn(entry),
+        }
+      end,
+    },
+    sorter = sorters.get_generic_fuzzy_sorter(),
+    attach_mappings = function(prompt_bufnr)
+      actions.select_default:replace(function()
+        local selection = action_state.get_selected_entry(prompt_bufnr)
+
+        actions.close(prompt_bufnr)
+
+        cb(selection.value)
+      end)
+
+      return true
+    end,
+  }):find()
+end
+
+vim.cmd "command! -buffer JdtCompile lua require('jdtls').compile()"
+vim.cmd "command! -buffer JdtUpdateConfig lua require('jdtls').update_project_config()"
+vim.cmd "command! -buffer JdtBytecode lua require('jdtls').javap()"

M lua/plugin.lua

@@ -8,6 +8,7 @@ use "rmehri01/onenord.nvim"
 
   use { "tpope/vim-surround", keys = { "c", "d", "y" } }
   use { "~/code/gopher.nvim", ft = "go" }
+  use { "mfussenegger/nvim-jdtls", after = "nvim-lspconfig", ft = "java" }
 
   use { "ahmedkhalf/project.nvim", config = get_config "plugin.project" }
   use { "nvim-lualine/lualine.nvim", config = get_config "plugin.statusline" }