Polish "Add Java 15 CI"

See gh-21713

ci/images/get-jdk-url.sh

@@ -12,7 +12,7 @@ case "$1" in
 		 echo "https://github.com/AdoptOpenJDK/openjdk14-binaries/releases/download/jdk-14.0.1%2B7/OpenJDK14U-jdk_x64_linux_hotspot_14.0.1_7.tar.gz"
 	;;
 	java15)
-		 echo "https://github.com/AdoptOpenJDK/openjdk15-binaries/releases/download/jdk-2020-05-26-19-22/OpenJDK-jdk_x64_linux_hotspot_2020-05-26-11-00.tar.gz"
+		 echo "https://github.com/AdoptOpenJDK/openjdk15-binaries/releases/download/jdk15-2020-06-15-05-34/OpenJDK15-jdk_x64_linux_hotspot_2020-06-15-05-34.tar.gz"
 	;;
   *)
 		echo $"Unknown java version"

ci/pipeline.yml

@@ -402,7 +402,7 @@ jobs:
       params: { state: "success", commit: "git-repo" }
     - put: slack-alert
       params:
-       <<: *slack-success-params
+        <<: *slack-success-params
 - name: jdk15-build
   serial: true
   public: true

ci/scripts/detect-jdk-updates.sh

@@ -15,7 +15,7 @@ case "$JDK_VERSION" in
 	;;
 	java15)
 		 BASE_URL="https://api.adoptopenjdk.net/v3/assets/feature_releases/15/ea"
-		 ISSUE_TITLE="Upgrade Java 14 version in CI image"
+		 ISSUE_TITLE="Upgrade Java 15 version in CI image"
 	;;
 	*)
 		echo $"Unknown java version"

spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/web/mappings/reactive/HandlerFunctionDescription.java

@@ -32,14 +32,14 @@ public class HandlerFunctionDescription {
 		this.className = getHandlerFunctionClassName(handlerFunction);
 	}
 
-	public String getClassName() {
-		return this.className;
-	}
-
-	private String getHandlerFunctionClassName(HandlerFunction<?> handlerFunction) {
+	private static String getHandlerFunctionClassName(HandlerFunction<?> handlerFunction) {
 		Class<?> functionClass = handlerFunction.getClass();
 		String canonicalName = functionClass.getCanonicalName();
-		return canonicalName != null ? canonicalName : functionClass.getName();
+		return (canonicalName != null) ? canonicalName : functionClass.getName();
+	}
+
+	public String getClassName() {
+		return this.className;
 	}
 
 }