refactor(nvim): correctly start java lsp when switching projects

dot_config/nvim/ftplugin/java.lua

@@ -1,2 +1,6 @@
-local config = require("lsp.java").make_jdtls_config()
+local root_markers = { "gradlew", "mvnw", ".git", "pom.xml", "build.gradle" }
+local root_dir = require("jdtls.setup").find_root(root_markers)
+local workspace_folder = os.getenv("HOME") .. "/.local/share/eclipse/" .. vim.fn.fnamemodify(root_dir, ":p:h:t")
+
+local config = require("lsp.java").make_jdtls_config(root_dir, workspace_folder)
 require("jdtls").start_or_attach(config)

dot_config/nvim/init.lua

@@ -4,9 +4,6 @@ vim.g.mapleader = " "
 vim.g.loaded_netrw = 1
 vim.g.loaded_netrwPlugin = 1
 
-vim.lsp.set_log_level("TRACE")
-print(vim.lsp.get_log_path())
-
 -- bootstrap & set up lazy
 local lazypath = vim.fn.stdpath("data") .. "/lazy/lazy.nvim"
 if not vim.loop.fs_stat(lazypath) then

dot_config/nvim/lua/lsp/java.lua

@@ -5,15 +5,6 @@ local SDKMAN_DIR = os.getenv("SDKMAN_DIR")
 local lsp = require("lsp")
 local jdtls = require("jdtls")
 
-local root_markers = { "gradlew", "mvnw", ".git", "pom.xml", "build.gradle" }
-local root_dir = require("jdtls.setup").find_root(root_markers)
-
--- eclipse.jdt.ls stores project specific data within a folder. If you are working
--- with multiple different projects, each project must use a dedicated data directory.
--- This variable is used to configure eclipse to use the directory name of the
--- current project found using the root_marker as the folder for project specific data.
-local workspace_folder = HOME .. "/.local/share/eclipse/" .. vim.fn.fnamemodify(root_dir, ":p:h:t")
-
 local bundles = {}
 local mason_path = vim.fn.glob(vim.fn.stdpath("data") .. "/mason/")
 vim.list_extend(bundles, vim.split(vim.fn.glob(mason_path .. "packages/java-test/extension/server/*.jar"), "\n"))
@@ -58,7 +49,8 @@ local on_attach = function(client, bufnr)
   nnoremap("<leader>tm", jdtls.test_nearest_method, bufopts, "Test method (DAP)")
 end
 
-local config = {
+function M.make_jdtls_config(root_dir, workspace_folder)
+  return {
     flags = {
       debounce_text_changes = 80,
       allow_incremental_sync = true,
@@ -187,10 +179,7 @@ local config = {
       "-data",
       workspace_folder,
     },
-}
-
-function M.make_jdtls_config()
-  return config
+  }
 end
 
 return M

dot_config/nvim/lua/plugins/dap.lua

@@ -51,6 +51,16 @@ return {
               pythonPath = get_python_path,
             },
           }
+
+          dap.configurations.java = {
+            {
+              type = "java",
+              request = "attach",
+              name = "Debug (Attach) - Remote",
+              hostName = "127.0.0.1",
+              port = 5005,
+            },
+          }
         end,
       })