From 0c13ad1880d68bdebcfdb9fddddf14dd4c004933 Mon Sep 17 00:00:00 2001
From: David Ward <errantepiphany@users.noreply.github.com>
Date: Sat, 21 Jan 2023 00:55:27 -0500
Subject: fix(drools-lsp): move improper client config location and improve
 config processing (#2411)

Signed-off-by: David Ward <dward@redhat.com>

Signed-off-by: David Ward <dward@redhat.com>
---
 lua/lspconfig/server_configurations/drools_lsp.lua | 79 +++++++++++-----------
 1 file changed, 38 insertions(+), 41 deletions(-)

(limited to 'lua')

diff --git a/lua/lspconfig/server_configurations/drools_lsp.lua b/lua/lspconfig/server_configurations/drools_lsp.lua
index eeaf2979..28290a87 100644
--- a/lua/lspconfig/server_configurations/drools_lsp.lua
+++ b/lua/lspconfig/server_configurations/drools_lsp.lua
@@ -1,15 +1,37 @@
 local util = require 'lspconfig.util'
 
-local get = function(config, section, key)
-  return vim.tbl_get(config.settings, section, key) and config.settings[section][key] or nil
+local function get_java_bin(config)
+  local java_bin = vim.tbl_get(config, 'drools', 'java', 'bin')
+  if not java_bin then
+    java_bin = vim.env.JAVA_HOME and util.path.join(vim.env.JAVA_HOME, 'bin', 'java') or 'java'
+    if vim.fn.has 'win32' == 1 then
+      java_bin = java_bin .. '.exe'
+    end
+  end
+  return java_bin
+end
+
+local function get_java_opts(config)
+  local java_opts = vim.tbl_get(config, 'drools', 'java', 'opts')
+  return java_opts and java_opts or {}
+end
+
+local function get_jar(config)
+  local jar = vim.tbl_get(config, 'drools', 'jar')
+  return jar and jar or 'drools-lsp-server-jar-with-dependencies.jar'
 end
 
-local get_java_bin = function()
-  local java_bin = vim.env.JAVA_HOME and util.path.join(vim.env.JAVA_HOME, 'bin', 'java') or 'java'
-  if vim.fn.has 'win32' == 1 then
-    java_bin = java_bin .. '.exe'
+local function get_cmd(config)
+  local cmd = vim.tbl_get(config, 'cmd')
+  if not cmd then
+    cmd = { get_java_bin(config) }
+    for _, o in ipairs(get_java_opts(config)) do
+      table.insert(cmd, o)
+    end
+    ---@diagnostic disable-next-line:missing-parameter
+    vim.list_extend(cmd, { '-jar', get_jar(config) })
   end
-  return java_bin
+  return cmd
 end
 
 return {
@@ -17,19 +39,8 @@ return {
     filetypes = { 'drools' },
     root_dir = util.find_git_ancestor(),
     single_file_support = true,
-    on_new_config = function(config)
-      if not config.cmd then
-        local java_bin = get(config, 'java', 'bin') or get_java_bin()
-        local java_opts = get(config, 'java', 'opts') or {}
-        local drools_jar = get(config, 'drools', 'jar') or 'drools-lsp-server-jar-with-dependencies.jar'
-
-        config.cmd = { java_bin }
-        for _, o in ipairs(java_opts) do
-          table.insert(config.cmd, o)
-        end
-        --- @diagnostic disable-next-line:missing-parameter
-        vim.list_extend(config.cmd, { '-cp', drools_jar, 'org.drools.lsp.server.Main' })
-      end
+    on_new_config = function(new_config)
+      new_config.cmd = get_cmd(new_config)
     end,
   },
   docs = {
@@ -44,33 +55,19 @@ Configuration information:
 ```lua
 -- Option 1) Specify the entire command:
 require('lspconfig').drools_lsp.setup {
-  cmd = {
-    '/path/to/java',
-    '-cp',
-    '/path/to/drools-lsp-server-jar-with-dependencies.jar',
-    'org.drools.lsp.server.Main',
-  },
+  cmd = { '/path/to/java', '-jar', '/path/to/drools-lsp-server-jar-with-dependencies.jar' },
 }
 
--- Option 2) Specify just the jar location (the JAVA_HOME environment variable will be respected):
+-- Option 2) Specify just the jar path (the JAVA_HOME environment variable will be respected if present):
 require('lspconfig').drools_lsp.setup {
-  settings = {
-    drools = {
-      jar = '/path/to/drools-lsp-server-jar-with-dependencies.jar',
-    },
-  },
+  drools = { jar = '/path/to/drools-lsp-server-jar-with-dependencies.jar' },
 }
 
--- Option 3) Specify the jar location plus the java bin path and/or java opts:
+-- Option 3) Specify the java bin and/or java opts in addition to the jar path:
 require('lspconfig').drools_lsp.setup {
-  settings = {
-    java = {
-      bin = '/path/to/java',
-      opts = { '-Xmx500m' },
-    },
-    drools = {
-      jar = '/path/to/drools-lsp-server-jar-with-dependencies.jar',
-    },
+  drools = {
+    java { bin = '/path/to/java', opts = { '-Xmx100m' } },
+    jar = '/path/to/drools-lsp-server-jar-with-dependencies.jar',
   },
 }
 ```
-- 
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