From f2b890b523c20ceffa4506402bfc685b18e3a411 Mon Sep 17 00:00:00 2001
From: Fred Bricon <fbricon@gmail.com>
Date: Mon, 10 Nov 2025 11:49:47 +0100
Subject: [PATCH] fix: use same indentation rules as JS/TS

Signed-off-by: Fred Bricon <fbricon@gmail.com>
---
 .../java/language-configuration.json          | 134 ++++++++++++++++++
 src/extension.ts                              |  50 +------
 2 files changed, 135 insertions(+), 49 deletions(-)

diff --git a/language-support/java/language-configuration.json b/language-support/java/language-configuration.json
index 683d60232f..90e2c5fece 100644
--- a/language-support/java/language-configuration.json
+++ b/language-support/java/language-configuration.json
@@ -88,5 +88,139 @@
 			"<",
 			">"
 		]
+	],
+	"autoCloseBefore": ";:.,=}])>` \n\t",
+	"folding": {
+		"markers": {
+			"start": "^\\s*//\\s*#?region\\b",
+			"end": "^\\s*//\\s*#?endregion\\b"
+		}
+	},
+	"wordPattern": {
+		"pattern": "(-?\\d*\\.\\d\\w*)|([^\\`\\~\\!\\@\\#\\%\\^\\&\\*\\(\\)\\-\\=\\+\\[\\{\\]\\}\\\\\\|\\;\\:\\'\\\"\\,\\.\\<\\>\\/\\?\\s]+)"
+	},
+	"indentationRules": {
+		"decreaseIndentPattern": {
+			"pattern": "^((?!.*?\\/\\*).*\\*/)?\\s*[\\)\\}\\]].*$"
+		},
+		"increaseIndentPattern": {
+			"pattern": "^((?!\\/\\/).)*(\\{[^}\"'`]*|\\([^)\"'`]*|\\[[^\\]\"'`]*)$"
+		},
+		"unIndentedLinePattern": {
+			"pattern": "^(\\t|[ ])*[ ]\\*[^/]*\\*/\\s*$|^(\\t|[ ])*[ ]\\*/\\s*$|^(\\t|[ ])*[ ]\\*([ ]([^\\*]|\\*(?!/))*)?$"
+		},
+		"indentNextLinePattern": {
+			"pattern": "^((.*=>\\s*)|((.*[^\\w]+|\\s*)((if|while|for)\\s*\\(.*\\)\\s*|else\\s*)))$"
+		}
+	},
+	"onEnterRules": [
+		{
+			"beforeText": {
+				"pattern": "^\\s*/\\*\\*(?!/)([^\\*]|\\*(?!/))*$"
+			},
+			"afterText": {
+				"pattern": "^\\s*\\*/$"
+			},
+			"action": {
+				"indent": "indentOutdent",
+				"appendText": " * "
+			}
+		},
+		{
+			"beforeText": {
+				"pattern": "^\\s*/\\*\\*(?!/)([^\\*]|\\*(?!/))*$"
+			},
+			"action": {
+				"indent": "none",
+				"appendText": " * "
+			}
+		},
+		{
+			"beforeText": {
+				"pattern": "^(\\t|[ ])*[ ]\\*([ ]([^\\*]|\\*(?!/))*)?$"
+			},
+			"previousLineText": {
+				"pattern": "(?=^(\\s*(/\\*\\*|\\*)).*)(?=(?!(\\s*\\*/)))"
+			},
+			"action": {
+				"indent": "none",
+				"appendText": "* "
+			}
+		},
+		{
+			"beforeText": {
+				"pattern": "^(\\t|[ ])*[ ]\\*/\\s*$"
+			},
+			"action": {
+				"indent": "none",
+				"removeText": 1
+			}
+		},
+		{
+			"beforeText": {
+				"pattern": "^(\\t|[ ])*[ ]\\*[^/]*\\*/\\s*$"
+			},
+			"action": {
+				"indent": "none",
+				"removeText": 1
+			}
+		},
+		{
+			"beforeText": {
+				"pattern": "^\\s*(\\bcase\\s.+:|\\bdefault:)$"
+			},
+			"afterText": {
+				"pattern": "^(?!\\s*(\\bcase\\b|\\bdefault\\b))"
+			},
+			"action": {
+				"indent": "indent"
+			}
+		},
+		{
+			"previousLineText": "^\\s*(((else ?)?if|for|while)\\s*\\(.*\\)\\s*|else\\s*)$",
+			"beforeText": "^\\s+([^{i\\s]|i(?!f\\b))",
+			"action": {
+				"indent": "outdent"
+			}
+		},
+		{
+			"beforeText": "^.*\\([^\\)]*$",
+			"afterText": "^\\s*\\).*$",
+			"action": {
+				"indent": "indentOutdent",
+				"appendText": "\t"
+			}
+		},
+		{
+			"beforeText": "^.*\\{[^\\}]*$",
+			"afterText": "^\\s*\\}.*$",
+			"action": {
+				"indent": "indentOutdent",
+				"appendText": "\t"
+			}
+		},
+		{
+			"beforeText": "^.*\\[[^\\]]*$",
+			"afterText": "^\\s*\\].*$",
+			"action": {
+				"indent": "indentOutdent",
+				"appendText": "\t"
+			}
+		},
+		{
+			"beforeText": "(?<!\\\\|\\w:)\\/\\/\\s*\\S",
+			"afterText": "^(?!\\s*$).+",
+			"action": {
+				"indent": "none",
+				"appendText": "// "
+			}
+		},
+		{
+			"beforeText": "^\\s*\\/\\/\\/(.*)?$",
+			"action": {
+				"indent": "none",
+				"appendText": "/// "
+			}
+		}
 	]
 }
\ No newline at end of file
diff --git a/src/extension.ts b/src/extension.ts
index c12cf7f15e..b4bf665730 100644
--- a/src/extension.ts
+++ b/src/extension.ts
@@ -9,7 +9,7 @@ import * as path from 'path';
 import * as semver from 'semver';
 import {
 	CodeActionContext, commands, CompletionItem, ConfigurationTarget, Diagnostic, env, EventEmitter, ExtensionContext, extensions,
-	IndentAction, InputBoxOptions, languages, Location, MarkdownString, RelativePattern,
+	InputBoxOptions, Location, MarkdownString, RelativePattern,
 	SnippetString, SnippetTextEdit, TextDocument, TextEditorRevealType, UIKind, Uri, version, ViewColumn, window, workspace, WorkspaceConfiguration
 } from 'vscode';
 import { CancellationToken, CodeActionParams, CodeActionRequest, CodeActionResolveRequest, Command, CompletionRequest, DidChangeConfigurationNotification, ExecuteCommandParams, ExecuteCommandRequest, LanguageClientOptions, RevealOutputChannelOn } from 'vscode-languageclient';
@@ -169,8 +169,6 @@ export async function activate(context: ExtensionContext): Promise<ExtensionAPI>
 
 	Telemetry.startTelemetry(context);
 
-	enableJavadocSymbols();
-
 	registerOutOfMemoryDetection(storagePath);
 
 	cleanJavaWorkspaceStorage();
@@ -814,52 +812,6 @@ export async function getActiveLanguageClient(): Promise<LanguageClient | undefi
 	return languageClient;
 }
 
-function enableJavadocSymbols() {
-	// Let's enable Javadoc symbols autocompletion, shamelessly copied from MIT licensed code at
-	// https://github.com/Microsoft/vscode/blob/9d611d4dfd5a4a101b5201b8c9e21af97f06e7a7/extensions/typescript/src/typescriptMain.ts#L186
-	languages.setLanguageConfiguration('java', {
-		indentationRules: {
-			// ^(.*\*/)?\s*\}.*$
-			decreaseIndentPattern: /^(.*\*\/)?\s*\}.*$/,
-			// ^.*\{[^}"']*$
-			increaseIndentPattern: /^.*\{[^}"']*$/
-		},
-		wordPattern: /(-?\d*\.\d\w*)|([^\`\~\!\@\#\%\^\&\*\(\)\-\=\+\[\{\]\}\\\|\;\:\'\"\,\.\<\>\/\?\s]+)/g,
-		onEnterRules: [
-			{
-				// e.g. /** | */ or /* | */
-				beforeText: /^\s*\/\*\*?(?!\/)([^\*]|\*(?!\/))*$/,
-				afterText: /^\s*\*\/$/,
-				action: { indentAction: IndentAction.IndentOutdent, appendText: ' * ' }
-			},
-			{
-				// e.g. /** ...|
-				beforeText: /^\s*\/\*\*(?!\/)([^\*]|\*(?!\/))*$/,
-				action: { indentAction: IndentAction.None, appendText: ' * ' }
-			},
-			{
-				// e.g.  * ...|
-				beforeText: /^(\t|(\ \ ))*\ \*(\ ([^\*]|\*(?!\/))*)?$/,
-				action: { indentAction: IndentAction.None, appendText: '* ' }
-			},
-			{
-				// e.g.  */|
-				beforeText: /^(\t|(\ \ ))*\ \*\/\s*$/,
-				action: { indentAction: IndentAction.None, removeText: 1 }
-			},
-			{
-				// e.g.  *-----*/|
-				beforeText: /^(\t|(\ \ ))*\ \*[^/]*\*\/\s*$/,
-				action: { indentAction: IndentAction.None, removeText: 1 }
-			},
-			{
-				// e.g. /// ...| (Markdown javadoc)
-				beforeText: /^\s*\/\/\/(.*)?$/,
-				action: { indentAction: IndentAction.None, appendText: '/// ' }
-			}
-		]
-	});
-}
 
 export function getTempWorkspace() {
 	return path.resolve(os.tmpdir(), `vscodesws_${makeRandomHexString(5)}`);