Nvim: Simplify the lsp configuration, add groovyls support

.config/nvim/after/plugin/lspconfig.rc.vim

@@ -6,30 +6,6 @@ endif
 lua << EOF
 local nvim_lsp = require'lspconfig'
 
-nvim_lsp.ccls.setup {
-  init_options = {
-    compilationDatabaseDirectory = ".";
-    index = {
-      threads = 0;
-    };
-    clang = {
-      excludeArgs = { "-frounding-math"} ;
-    };
-  }
-}
-
-nvim_lsp.pylsp.setup{}
-nvim_lsp.cmake.setup{}
-nvim_lsp.rls.setup {
-  settings = {
-    rust = {
-      unstable_features = true,
-      build_on_save = false,
-      all_features = true,
-    },
-  },
-}
-
 -- Use an on_attach function to only map the following keys
 -- after the language server attaches to the current buffer
 local on_attach = function(client, bufnr)
@@ -77,9 +53,38 @@ vim.lsp.handlers["textDocument/publishDiagnostics"] = vim.lsp.with(
   }
 )
 
+nvim_lsp.rls.setup {
+  settings = {
+    rust = {
+      unstable_features = true,
+      build_on_save = false,
+      all_features = true,
+    },
+  },
+}
+nvim_lsp.groovyls.setup {
+  cmd = { "java", "-jar", "/home/kmcr/tools/groovy-language-server/build/libs/groovy-language-server-all.jar" },
+  on_attach = on_attach,
+  on_publish_diagnostics = diagnostic_handler
+}
+
+nvim_lsp.ccls.setup {
+  init_options = {
+    compilationDatabaseDirectory = ".";
+    index = {
+      threads = 0;
+    },
+    clang = {
+      excludeArgs = { "-frounding-math"} ;
+    },
+  },
+  on_attach = on_attach,
+  on_publish_diagnostics = diagnostic_handler
+}
+
 -- Use a loop to conveniently call 'setup' on multiple servers and
 -- map buffer local keybindings when the language server attaches
-local servers = { "pylsp", "rls", "cmake", 'ccls' }
+local servers = { "pylsp", "cmake" }
 for _, lsp in ipairs(servers) do
   nvim_lsp[lsp].setup {
     on_attach = on_attach,