Apply "instanceof pattern matching" in PropertySourcesPlaceholderConf…

…igurer See gh-27947
spring-projects · Jan 18, 2022 · e565d2c · e565d2c
1 parent d72cf89
commit e565d2c
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/...c/main/java/org/springframework/context/support/PropertySourcesPlaceholderConfigurer.java b/...c/main/java/org/springframework/context/support/PropertySourcesPlaceholderConfigurer.java
@@ -137,8 +137,8 @@ public void postProcessBeanFactory(ConfigurableListableBeanFactory beanFactory)
 				// local PropertyResolver to enforce that setting, since the Environment is most
 				// likely not configured with ignoreUnresolvablePlaceholders set to true.
 				// See https://github.com/spring-projects/spring-framework/issues/27947
-				if (this.ignoreUnresolvablePlaceholders && (this.environment instanceof ConfigurableEnvironment)) {
-					ConfigurableEnvironment configurableEnvironment = (ConfigurableEnvironment) this.environment;
+				if (this.ignoreUnresolvablePlaceholders &&
+						(this.environment instanceof ConfigurableEnvironment configurableEnvironment)) {
 					PropertySourcesPropertyResolver resolver =
 							new PropertySourcesPropertyResolver(configurableEnvironment.getPropertySources());
 					resolver.setIgnoreUnresolvableNestedPlaceholders(true);