Merge pull request #38510 from quaff

* gh-38510:
  Polish "Treat null as CloudPlatform.NONE"
  Treat null as CloudPlatform.NONE

Closes gh-38510

Author: wilkinsona

spring-boot-project/spring-boot/src/main/java/org/springframework/boot/context/config/ConfigDataProperties.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2023 the original author or authors.
+ * Copyright 2012-2024 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.
@@ -32,6 +32,7 @@
  *
  * @author Phillip Webb
  * @author Madhura Bhave
+ * @author Yanming Zhou
  */
 class ConfigDataProperties {
 
@@ -118,8 +119,8 @@ boolean isActive(ConfigDataActivationContext activationContext) {
 			if (activationContext == null) {
 				return false;
 			}
-			boolean activate = true;
-			activate = activate && isActive(activationContext.getCloudPlatform());
+			CloudPlatform cloudPlatform = activationContext.getCloudPlatform();
+			boolean activate = isActive((cloudPlatform != null) ? cloudPlatform : CloudPlatform.NONE);
 			activate = activate && isActive(activationContext.getProfiles());
 			return activate;
 		}

spring-boot-project/spring-boot/src/test/java/org/springframework/boot/context/config/ConfigDataPropertiesTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2023 the original author or authors.
+ * Copyright 2012-2024 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.
@@ -35,6 +35,7 @@
  *
  * @author Phillip Webb
  * @author Madhura Bhave
+ * @author Yanming Zhou
  */
 class ConfigDataPropertiesTests {
 
@@ -98,6 +99,13 @@ void isActiveWhenSpecificCloudPlatformAgainstDifferentSpecificCloudPlatform() {
 		assertThat(properties.isActive(context)).isFalse();
 	}
 
+	@Test
+	void isActiveWhenNoneCloudPlatformAgainstNullCloudPlatform() {
+		ConfigDataProperties properties = new ConfigDataProperties(NO_IMPORTS, new Activate(CloudPlatform.NONE, null));
+		ConfigDataActivationContext context = new ConfigDataActivationContext(NULL_CLOUD_PLATFORM, NULL_PROFILES);
+		assertThat(properties.isActive(context)).isTrue();
+	}
+
 	@Test
 	void isActiveWhenNullProfilesAgainstNullProfiles() {
 		ConfigDataProperties properties = new ConfigDataProperties(NO_IMPORTS, new Activate(null, null));