java: "Add Javadoc" intention should not be available on local classes (IDEA-327296)

GitOrigin-RevId: c299d811b9e4a3f532003cc351531787c9574000

java/java-impl/src/com/intellij/codeInsight/intention/impl/AddJavadocIntention.java

@@ -1,4 +1,4 @@
-// Copyright 2000-2017 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
+// Copyright 2000-2023 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
 package com.intellij.codeInsight.intention.impl;
 
 import com.intellij.codeInsight.editorActions.FixDocCommentAction;
@@ -11,6 +11,7 @@ import com.intellij.openapi.editor.Editor;
 import com.intellij.openapi.project.Project;
 import com.intellij.psi.*;
 import com.intellij.psi.util.PsiTreeUtil;
+import com.intellij.psi.util.PsiUtil;
 import com.intellij.util.IncorrectOperationException;
 import org.jetbrains.annotations.NotNull;
 
@@ -29,6 +30,9 @@ public class AddJavadocIntention extends BaseElementAtCaretIntentionAction imple
       if (targetElement instanceof PsiVariable && PsiTreeUtil.isAncestor(((PsiVariable)targetElement).getInitializer(), element, false)) {
         return false;
       }
+      if ( targetElement instanceof PsiClass aClass && PsiUtil.isLocalClass(aClass)) {
+        return false;
+      }
       if (targetElement instanceof PsiJavaDocumentedElement &&
           !(targetElement instanceof PsiTypeParameter) &&
           !(targetElement instanceof PsiAnonymousClass)) {

java/java-tests/testData/codeInsight/addJavadoc/beforeLocalClass.java

@@ -0,0 +1,9 @@
+// "Add Javadoc" "false"
+
+class Test {
+
+  void x() {
+    class <caret>Local {}
+  }
+
+}