From 3391a6d60a1d185d521f10a2f0eb4d0fca13483f Mon Sep 17 00:00:00 2001
From: xuthus5 <xuthus5@gmail.com>
Date: Wed, 3 May 2023 20:21:17 +0800
Subject: [PATCH] fix: windows jdtls support

---
 ftplugin/java.lua    | 19 +++++++++++++++---
 lua/plugins/java.lua | 47 +++++++++++++++++++++++++++++++++++---------
 2 files changed, 54 insertions(+), 12 deletions(-)

diff --git a/ftplugin/java.lua b/ftplugin/java.lua
index efb5370..29ec332 100644
--- a/ftplugin/java.lua
+++ b/ftplugin/java.lua
@@ -2,25 +2,38 @@ function IsDirectoryExist(dirname)
     return os.rename(dirname, dirname) and true or false
 end
 
+function Path2Windows(path)
+    return (string.gsub(path, "/", "\\"))
+end
+
 local jdtls = require("jdtls")
 local root_markers = { ".git", "mvnw", "gradlew", "pom.xml", "build.gradle" }
 local root_dir = require("jdtls.setup").find_root(root_markers)
 if root_dir == "" then
     return
 end
+
 local project_name = vim.fn.fnamemodify(vim.fn.getcwd(), ":p:h:t")
 local home = os.getenv("HOME")
 local jdtls_home = home .. "/.jdtls"
 local plugins_home = jdtls_home .. "/plugins"
 local workspace = jdtls_home .. "/workspace/" .. project_name
+local launcher = plugins_home .. "/org.eclipse.equinox.launcher_1.6.400.v20210924-0641.jar"
+local configuration = jdtls_home .. "/config_linux"
+
+if vim.loop.os_uname().sysname == "Windows" then
+    jdtls_home = Path2Windows(jdtls_home)
+    plugins_home = Path2Windows(plugins_home)
+    workspace = Path2Windows(workspace)
+    launcher = Path2Windows(launcher)
+    configuration = jdtls_home .. "\\config_win"
+end
 
 -- create when workspace not exist
 if not IsDirectoryExist(workspace) then
     os.execute("mkdir " .. workspace)
 end
 
-local launcher = plugins_home .. "/org.eclipse.equinox.launcher_1.6.400.v20210924-0641.jar"
-local configuration = jdtls_home .. "/config_linux"
 if vim.loop.os_uname().sysname == "Windows" then
     configuration = jdtls_home .. "\\config_win"
 end
@@ -44,6 +57,7 @@ local config = {
         "--add-opens",
         "java.base/java.lang=ALL-UNNAMED",
         "-javaagent:" .. jdtls_home .. "/bin/lombok.jar",
+        "-Xbootclasspath/a:" .. jdtls_home .. "/bin/lombok.jar",
         "-jar",
         launcher,
         "-configuration",
@@ -113,7 +127,6 @@ local config = {
             },
         },
     },
-
     init_options = {
         bundles = {},
     },
diff --git a/lua/plugins/java.lua b/lua/plugins/java.lua
index 65b6d8b..03e878c 100644
--- a/lua/plugins/java.lua
+++ b/lua/plugins/java.lua
@@ -8,13 +8,36 @@ function IsFileExist(filename)
     end
 end
 
+function IsWindows()
+    local delimeter = package.config.sub(1, 1)
+    if delimeter == "/" then
+        return false
+    end
+    return true
+end
+
+function Path2Windows(path)
+    return (string.gsub(path, "/", "\\"))
+end
+
 function IsDirectoryExist(dirname)
     return os.rename(dirname, dirname) and true or false
 end
 
-local jdtlspath = os.getenv("HOME") .. "/.jdtls"
-if vim.loop.os_uname().sysname == "Windows" then
-    jdtlspath = os.getenv("HOME") .. "\\.jdtls"
+local homepage = os.getenv("HOME")
+if IsWindows() then
+    homepage = os.getenv("USERPROFILE")
+end
+
+local jdtlspath = homepage .. "/.jdtls"
+local jdtls_bin = jdtlspath .. "/bin/jdtls"
+local lombok_jar = jdtlspath .. "/bin/lombok.jar"
+local temp_download = os.getenv("TEMP")
+
+if IsWindows() then
+    jdtlspath = Path2Windows(jdtlspath)
+    jdtls_bin = Path2Windows(jdtls_bin)
+    lombok_jar = Path2Windows(lombok_jar)
 end
 
 -- 创建目录
@@ -23,29 +46,35 @@ if not IsFileExist(jdtlspath) then
 end
 
 -- 检测文件存在否
-if not IsDirectoryExist(jdtlspath .. "/bin/jdtls") then
+if not IsDirectoryExist(jdtls_bin) then
     print("download jdtls binary")
     local download_ret = os.execute(
-        "wget https://download.eclipse.org/jdtls/milestones/1.23.0/jdt-language-server-1.23.0-202304271346.tar.gz -P /tmp"
+        "curl --create-dirs -O --output-dir "
+        .. temp_download
+        .. " https://download.eclipse.org/jdtls/milestones/1.23.0/jdt-language-server-1.23.0-202304271346.tar.gz"
     )
     if download_ret ~= 0 then
         vim.notify("download jdtls binary failed")
         return
     end
     vim.notify("download jdtls success")
-    local tar_ret = os.execute("tar xvzf /tmp/jdt-language-server-1.23.0-202304271346.tar.gz -C " .. jdtlspath)
+    local tar_ret =
+        os.execute("tar xvzf " .. temp_download .. "/jdt-language-server-1.23.0-202304271346.tar.gz -C " .. jdtlspath)
     if tar_ret ~= 0 then
         vim.notify("extract jdtls file failed")
         return
     end
+    vim.notify("install jdtls success")
 end
 
-local lombok_path = jdtlspath .. "/bin/lombok.jar"
 -- 下载lombok
-if not IsFileExist(jdtlspath .. "/bin/lombok.jar") then
+if not IsFileExist(lombok_jar) then
     vim.notify("download lombok.jar")
-    local download_ret = os.execute("wget https://projectlombok.org/downloads/lombok.jar -P " .. jdtlspath .. "/bin")
+    local download_ret = os.execute(
+        "curl --create-dirs -O --output-dir " .. jdtlspath .. "/bin https://projectlombok.org/downloads/lombok.jar"
+    )
     if download_ret ~= 0 then
         vim.notify("download lombok failed")
     end
+    vim.notify("download lombok.jar success")
 end