1 files changed, 119 insertions, 0 deletions
diff --git a/lua/lang/java.lua b/lua/lang/java.lua
new file mode 100644
index 00000000..c02b68e9
--- /dev/null
+++ b/lua/lang/java.lua
@@ -0,0 +1,119 @@
+local M = {}
+
+M.config = function()
+  -- TODO: implement config for language
+  return "No config available!"
+end
+
+M.format = function()
+  vim.cmd "let proj = FindRootDirectory()"
+  local root_dir = vim.api.nvim_get_var "proj"
+
+  -- use the global prettier if you didn't find the local one
+  local prettier_instance = root_dir .. "/node_modules/.bin/prettier"
+  if vim.fn.executable(prettier_instance) ~= 1 then
+    prettier_instance = O.lang.tsserver.formatter.exe
+  end
+
+  O.formatters.filetype["java"] = {
+    function()
+      return {
+        exe = prettier_instance,
+        -- TODO: allow user to override this
+        args = { "--stdin-filepath", vim.api.nvim_buf_get_name(0) },
+        stdin = true,
+      }
+    end,
+  }
+
+  require("formatter.config").set_defaults {
+    logging = false,
+    filetype = O.formatters.filetype,
+  }
+end
+
+M.lint = function()
+  -- TODO: implement linters (if applicable)
+  return "No linters configured!"
+end
+
+M.lsp = function()
+  if require("lv-utils").check_lsp_client_active "jdtls" then
+    return
+  end
+
+  if O.lang.java.java_tools.active then
+    -- find_root looks for parent directories relative to the current buffer containing one of the given arguments.
+    if vim.fn.has "mac" == 1 then
+      WORKSPACE_PATH = "/Users/" .. USER .. "/workspace/"
+    elseif vim.fn.has "unix" == 1 then
+      WORKSPACE_PATH = "/home/" .. USER .. "/workspace/"
+    else
+      print "Unsupported system"
+    end
+    JAVA_LS_EXECUTABLE = CONFIG_PATH .. "/utils/bin/jdtls"
+
+    require("jdtls").start_or_attach {
+      on_attach = require("lsp").common_on_attach,
+      cmd = { JAVA_LS_EXECUTABLE, WORKSPACE_PATH .. vim.fn.fnamemodify(vim.fn.getcwd(), ":p:h:t") },
+    }
+
+    vim.api.nvim_set_keymap(
+      "n",
+      "<leader>la",
+      ":lua require('jdtls').code_action()<CR>",
+      { noremap = true, silent = true }
+    )
+    vim.api.nvim_set_keymap(
+      "n",
+      "<leader>lR",
+      ":lua require('jdtls').code_action(false, 'refactor')<CR>",
+      { noremap = true, silent = true }
+    )
+
+    vim.cmd "command! -buffer JdtCompile lua require('jdtls').compile()"
+    vim.cmd "command! -buffer JdtUpdateConfig lua require('jdtls').update_project_config()"
+    -- vim.cmd "command! -buffer JdtJol lua require('jdtls').jol()"
+    vim.cmd "command! -buffer JdtBytecode lua require('jdtls').javap()"
+    -- vim.cmd "command! -buffer JdtJshell lua require('jdtls').jshell()"
+  else
+    local util = require "lspconfig/util"
+
+    require("lspconfig").jdtls.setup {
+      on_attach = require("lsp").common_on_attach,
+      cmd = { DATA_PATH .. "/lspinstall/java/jdtls.sh" },
+      filetypes = { "java" },
+      root_dir = util.root_pattern { ".git", "build.gradle", "pom.xml" },
+      -- init_options = {bundles = bundles}
+      -- on_attach = require'lsp'.common_on_attach
+    }
+  end
+end
+
+M.dap = function()
+  -- TODO: implement dap
+  return "No DAP configured!"
+end
+
+-- local bundles = {
+--     vim.fn.glob(
+--         CONFIG_PATH.."/.debuggers/java-debug/com.microsoft.java.debug.plugin/target/com.microsoft.java.debug.plugin-*.jar")
+-- };
+
+-- require('jdtls').start_or_attach({
+--     on_attach = on_attach,
+--     cmd = {DATA_PATH .. "/lspinstall/java/jdtls.sh"},
+--     root_dir = require('jdtls.setup').find_root({'build.gradle', 'pom.xml', '.git'}),
+--     init_options = {bundles = bundles}
+-- })
+
+-- TODO: setup autoformat stuff later
+-- _java = {
+--     -- {'FileType', 'java', 'luafile '..CONFIG_PATH..'/lua/lsp/java-ls.lua'},
+--     {
+--         'FileType', 'java',
+--         'nnoremap ca <Cmd>lua require(\'jdtls\').code_action()<CR>'
+--     }
+-- }
+
+return M