minor simplification

Signed-off-by: wind57 <[email protected]>

Author: wind57

spring-cloud-kubernetes-commons/src/main/java/org/springframework/cloud/kubernetes/commons/config/SourceDataEntriesProcessor.java

@@ -176,7 +176,7 @@ private static Map<String, Object> defaultProcessAllEntries(Map<String, String>
 
 	private static Map<String, Object> extractProperties(String resourceName, String content, Environment environment) {
 
-		if (resourceName.endsWith(".yml") || resourceName.endsWith(".yaml") || resourceName.endsWith(".properties")) {
+		if (ENDS_IN_EXTENSION.test(resourceName)) {
 
 			if (resourceName.endsWith(".properties")) {
 				LOG.debug("entry : " + resourceName + " will be treated as a single properties file");