From 7fb5369fa39b8c40f0cfa284ed5a87bb47a980c4 Mon Sep 17 00:00:00 2001
From: Johnny Lim <izeye@naver.com>
Date: Thu, 24 Jul 2025 21:46:10 +0900
Subject: [PATCH 1/2] Use "2012-present" for copyright headers

Signed-off-by: Johnny Lim <izeye@naver.com>
---
 .../AbstractMongoContainerConnectionDetailsFactory.java         | 2 +-
 .../MongoDbAtlasLocalContainerConnectionDetailsFactory.java     | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/module/spring-boot-mongodb/src/main/java/org/springframework/boot/mongodb/testcontainers/AbstractMongoContainerConnectionDetailsFactory.java b/module/spring-boot-mongodb/src/main/java/org/springframework/boot/mongodb/testcontainers/AbstractMongoContainerConnectionDetailsFactory.java
index b5883a06c54a..87226e5c8675 100644
--- a/module/spring-boot-mongodb/src/main/java/org/springframework/boot/mongodb/testcontainers/AbstractMongoContainerConnectionDetailsFactory.java
+++ b/module/spring-boot-mongodb/src/main/java/org/springframework/boot/mongodb/testcontainers/AbstractMongoContainerConnectionDetailsFactory.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2025 the original author or authors.
+ * Copyright 2012-present the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/module/spring-boot-mongodb/src/main/java/org/springframework/boot/mongodb/testcontainers/MongoDbAtlasLocalContainerConnectionDetailsFactory.java b/module/spring-boot-mongodb/src/main/java/org/springframework/boot/mongodb/testcontainers/MongoDbAtlasLocalContainerConnectionDetailsFactory.java
index b2b965b243a0..2a4b1884d5a7 100644
--- a/module/spring-boot-mongodb/src/main/java/org/springframework/boot/mongodb/testcontainers/MongoDbAtlasLocalContainerConnectionDetailsFactory.java
+++ b/module/spring-boot-mongodb/src/main/java/org/springframework/boot/mongodb/testcontainers/MongoDbAtlasLocalContainerConnectionDetailsFactory.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2025 the original author or authors.
+ * Copyright 2012-present the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

From c260e4b6884e772770dc07cb2d6c7f9503751e20 Mon Sep 17 00:00:00 2001
From: Johnny Lim <izeye@naver.com>
Date: Fri, 25 Jul 2025 00:34:31 +0900
Subject: [PATCH 2/2] Add SpringHeaderCheck to enforce using "2012-present"

This commit also fixes copyright headers that don't follow it.

Signed-off-by: Johnny Lim <izeye@naver.com>
---
 config/checkstyle/checkstyle.xml                               | 3 +++
 .../boot/context/metrics/buffering/BufferedStartupStep.java    | 2 +-
 .../context/metrics/buffering/BufferingApplicationStartup.java | 2 +-
 .../boot/context/metrics/buffering/StartupTimeline.java        | 2 +-
 .../boot/context/properties/ConstructorBound.java              | 2 +-
 .../java/org/springframework/boot/convert/PeriodStyle.java     | 2 +-
 .../springframework/boot/convert/PeriodToStringConverter.java  | 2 +-
 .../docs/web/graphql/runtimewiring/GreetingController.java     | 2 +-
 8 files changed, 10 insertions(+), 7 deletions(-)

diff --git a/config/checkstyle/checkstyle.xml b/config/checkstyle/checkstyle.xml
index 3142d702fa6c..ae5dea7a02c5 100644
--- a/config/checkstyle/checkstyle.xml
+++ b/config/checkstyle/checkstyle.xml
@@ -7,6 +7,9 @@
 		<property name="file" value="${config_loc}/checkstyle-suppressions.xml"/>
 	</module>
 	<module name="io.spring.javaformat.checkstyle.SpringChecks" />
+	<module name="io.spring.javaformat.checkstyle.check.SpringHeaderCheck">
+		<property name="headerCopyrightPattern" value="2012-present" />
+	</module>
 	<module name="com.puppycrawl.tools.checkstyle.TreeWalker">
 		<module name="io.spring.javaformat.checkstyle.check.SpringDeprecatedCheck" />
 		<module name="io.spring.javaformat.checkstyle.check.SpringJUnit5Check" />
diff --git a/core/spring-boot/src/main/java/org/springframework/boot/context/metrics/buffering/BufferedStartupStep.java b/core/spring-boot/src/main/java/org/springframework/boot/context/metrics/buffering/BufferedStartupStep.java
index 4903873ef376..36748a24d7de 100644
--- a/core/spring-boot/src/main/java/org/springframework/boot/context/metrics/buffering/BufferedStartupStep.java
+++ b/core/spring-boot/src/main/java/org/springframework/boot/context/metrics/buffering/BufferedStartupStep.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-present the original author or authors.
+ * Copyright 2012-present the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/core/spring-boot/src/main/java/org/springframework/boot/context/metrics/buffering/BufferingApplicationStartup.java b/core/spring-boot/src/main/java/org/springframework/boot/context/metrics/buffering/BufferingApplicationStartup.java
index 4812604d5fb0..cc8cccca6962 100644
--- a/core/spring-boot/src/main/java/org/springframework/boot/context/metrics/buffering/BufferingApplicationStartup.java
+++ b/core/spring-boot/src/main/java/org/springframework/boot/context/metrics/buffering/BufferingApplicationStartup.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-present the original author or authors.
+ * Copyright 2012-present the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/core/spring-boot/src/main/java/org/springframework/boot/context/metrics/buffering/StartupTimeline.java b/core/spring-boot/src/main/java/org/springframework/boot/context/metrics/buffering/StartupTimeline.java
index de36a6312ebd..20f67bcf41ba 100644
--- a/core/spring-boot/src/main/java/org/springframework/boot/context/metrics/buffering/StartupTimeline.java
+++ b/core/spring-boot/src/main/java/org/springframework/boot/context/metrics/buffering/StartupTimeline.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-present the original author or authors.
+ * Copyright 2012-present the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/core/spring-boot/src/main/java/org/springframework/boot/context/properties/ConstructorBound.java b/core/spring-boot/src/main/java/org/springframework/boot/context/properties/ConstructorBound.java
index 2ba6f21d75bf..36c2063ea527 100644
--- a/core/spring-boot/src/main/java/org/springframework/boot/context/properties/ConstructorBound.java
+++ b/core/spring-boot/src/main/java/org/springframework/boot/context/properties/ConstructorBound.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2019-present the original author or authors.
+ * Copyright 2012-present the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/core/spring-boot/src/main/java/org/springframework/boot/convert/PeriodStyle.java b/core/spring-boot/src/main/java/org/springframework/boot/convert/PeriodStyle.java
index 4ec53157e827..783d28914353 100644
--- a/core/spring-boot/src/main/java/org/springframework/boot/convert/PeriodStyle.java
+++ b/core/spring-boot/src/main/java/org/springframework/boot/convert/PeriodStyle.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-present the original author or authors.
+ * Copyright 2012-present the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/core/spring-boot/src/main/java/org/springframework/boot/convert/PeriodToStringConverter.java b/core/spring-boot/src/main/java/org/springframework/boot/convert/PeriodToStringConverter.java
index b285d6911d69..dd8eac021223 100644
--- a/core/spring-boot/src/main/java/org/springframework/boot/convert/PeriodToStringConverter.java
+++ b/core/spring-boot/src/main/java/org/springframework/boot/convert/PeriodToStringConverter.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-present the original author or authors.
+ * Copyright 2012-present the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/documentation/spring-boot-docs/src/main/java/org/springframework/boot/docs/web/graphql/runtimewiring/GreetingController.java b/documentation/spring-boot-docs/src/main/java/org/springframework/boot/docs/web/graphql/runtimewiring/GreetingController.java
index 698ab840457d..0e5b61be63dd 100644
--- a/documentation/spring-boot-docs/src/main/java/org/springframework/boot/docs/web/graphql/runtimewiring/GreetingController.java
+++ b/documentation/spring-boot-docs/src/main/java/org/springframework/boot/docs/web/graphql/runtimewiring/GreetingController.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-present the original author or authors.
+ * Copyright 2012-present the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.