From 58f9847e783d12d90c6b8d5d97f9632de38bfa6f Mon Sep 17 00:00:00 2001
From: Marko Korhonen <marko@korhonen.cc>
Date: Thu, 24 Feb 2022 18:08:59 +0200
Subject: [PATCH] =?UTF-8?q?Nvim:=20add=20jdtls=20=F0=9F=9A=80?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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---
 config.yaml                              |  6 +++++-
 home/.config/nvim/ftplugin/java.lua      | 19 +++++++++++++++++++
 home/.config/nvim/lua/pluginconf/lsp.lua |  6 ++++--
 home/.config/nvim/lua/pluginmanager.lua  |  3 +++
 4 files changed, 31 insertions(+), 3 deletions(-)
 create mode 100644 home/.config/nvim/ftplugin/java.lua

diff --git a/config.yaml b/config.yaml
index f73a601e..4c276d58 100644
--- a/config.yaml
+++ b/config.yaml
@@ -33,6 +33,9 @@ dotfiles:
     - nvim-packer-sync
     dst: ~/.config/nvim/lua
     src: .config/nvim/lua
+  d_nvim_ftplugin:
+    dst: ~/.config/nvim/ftplugin
+    src: .config/nvim/ftplugin
   d_sway:
     dst: ~/.config/sway
     src: .config/sway
@@ -193,8 +196,9 @@ profiles:
     - f_ranger.conf
     - f_ssh.conf
     - f_authorized_keys
-    - d_nvim_lua
     - f_nvim_init
+    - d_nvim_lua
+    - d_nvim_ftplugin
     - f_gitconfig
     - f_alacritty.yml
   email:
diff --git a/home/.config/nvim/ftplugin/java.lua b/home/.config/nvim/ftplugin/java.lua
new file mode 100644
index 00000000..0ec274e1
--- /dev/null
+++ b/home/.config/nvim/ftplugin/java.lua
@@ -0,0 +1,19 @@
+local nvim_local_dir = vim.fn.expand('~/.local/share/nvim')
+
+local project_name = vim.fn.fnamemodify(vim.fn.getcwd(), ':p:h:t')
+local workspace_dir = nvim_local_dir .. '/jdtls-workspaces/' .. project_name
+require('jdtls').start_or_attach({
+    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', nvim_local_dir ..
+            '/lsp_servers/jdtls/plugins/org.eclipse.equinox.launcher_1.6.400.v20210924-0641.jar',
+        '-configuration', nvim_local_dir .. '/lsp_servers/jdtls/config_linux',
+        '-data', workspace_dir
+    }
+})
diff --git a/home/.config/nvim/lua/pluginconf/lsp.lua b/home/.config/nvim/lua/pluginconf/lsp.lua
index 9a56dbb3..b75d372a 100644
--- a/home/.config/nvim/lua/pluginconf/lsp.lua
+++ b/home/.config/nvim/lua/pluginconf/lsp.lua
@@ -49,8 +49,10 @@ local capabilities = vim.lsp.protocol.make_client_capabilities()
 capabilities = require('cmp_nvim_lsp').update_capabilities(capabilities)
 
 -- Register a handler that will be called for all installed servers.
--- Alternatively, you may also register handlers on specific server instances instead (see example below).
 lsp_installer.on_server_ready(function(server)
+    -- Don't setup jdtls here since it is done by nvim-jdtls
+    if server.name == "jdtls" then return end
+
     local opts = {}
 
     -- Lua specific settings
@@ -79,6 +81,6 @@ lsp_installer.on_server_ready(function(server)
     end
 
     opts.on_attach = buf_map_keys
-	opts.capabilities = capabilities
+    opts.capabilities = capabilities
     server:setup(opts)
 end)
diff --git a/home/.config/nvim/lua/pluginmanager.lua b/home/.config/nvim/lua/pluginmanager.lua
index 83cca4c0..8c6bd285 100644
--- a/home/.config/nvim/lua/pluginmanager.lua
+++ b/home/.config/nvim/lua/pluginmanager.lua
@@ -64,6 +64,9 @@ require('packer').startup(function()
     -- Install LSP server executables
     use 'williamboman/nvim-lsp-installer'
 
+	-- Additional LSP features for Java
+	use 'mfussenegger/nvim-jdtls'
+
     -- Completion
     use 'hrsh7th/nvim-cmp' -- Autocompletion plugin
     use 'hrsh7th/cmp-nvim-lsp' -- LSP source for nvim-cmp