fix: windows jdtls support

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 = {},
     },