From c042ad5b788e65e0d0031b8ccbeb2582726cddee Mon Sep 17 00:00:00 2001
From: Anna Kozlova <anna.kozlova@jetbrains.com>
Date: Tue, 2 Nov 2021 17:27:59 +0100
Subject: [PATCH] [java] generate javadoc for records with @params for
 components (IDEA-281563)

GitOrigin-RevId: e5dc8ec3ef6dba979c32897625c48abd46efadb3
---
 .../com/intellij/lang/java/JavaDocumentationProvider.java | 7 +++++++
 .../testData/codeInsight/addJavadoc/afterRecord.java      | 8 ++++++++
 .../testData/codeInsight/addJavadoc/beforeRecord.java     | 5 +++++
 3 files changed, 20 insertions(+)
 create mode 100644 java/java-tests/testData/codeInsight/addJavadoc/afterRecord.java
 create mode 100644 java/java-tests/testData/codeInsight/addJavadoc/beforeRecord.java

diff --git a/java/java-impl/src/com/intellij/lang/java/JavaDocumentationProvider.java b/java/java-impl/src/com/intellij/lang/java/JavaDocumentationProvider.java
index d119774c5a58..75c843af20c5 100644
--- a/java/java-impl/src/com/intellij/lang/java/JavaDocumentationProvider.java
+++ b/java/java-impl/src/com/intellij/lang/java/JavaDocumentationProvider.java
@@ -536,6 +536,13 @@ public class JavaDocumentationProvider implements CodeDocumentationProvider, Ext
       }
     }
     else if (commentOwner instanceof PsiClass) {
+      if (((PsiClass)commentOwner).isRecord()) {
+        for (PsiRecordComponent component : ((PsiClass)commentOwner).getRecordComponents()) {
+          builder.append(CodeDocumentationUtil.createDocCommentLine(PARAM_TAG, commentOwner.getContainingFile(), commenter));
+          builder.append(component.getName());
+          builder.append(LINE_SEPARATOR);
+        }
+      }
       final PsiTypeParameterList typeParameterList = ((PsiClass)commentOwner).getTypeParameterList();
       if (typeParameterList != null) {
         createTypeParamsListComment(builder, commenter, typeParameterList);
diff --git a/java/java-tests/testData/codeInsight/addJavadoc/afterRecord.java b/java/java-tests/testData/codeInsight/addJavadoc/afterRecord.java
new file mode 100644
index 000000000000..65cf6f591e35
--- /dev/null
+++ b/java/java-tests/testData/codeInsight/addJavadoc/afterRecord.java
@@ -0,0 +1,8 @@
+// "Add Javadoc" "true"
+
+
+/**
+ * @param u 
+ */
+record Test(int u) {
+}
\ No newline at end of file
diff --git a/java/java-tests/testData/codeInsight/addJavadoc/beforeRecord.java b/java/java-tests/testData/codeInsight/addJavadoc/beforeRecord.java
new file mode 100644
index 000000000000..6bbdc64149a3
--- /dev/null
+++ b/java/java-tests/testData/codeInsight/addJavadoc/beforeRecord.java
@@ -0,0 +1,5 @@
+// "Add Javadoc" "true"
+
+
+record Te<caret>st(int u) {
+}
\ No newline at end of file