Polish

spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/metrics/jdbc/HikariDataSourceMetricsPostProcessor.java

@@ -59,17 +59,15 @@ class HikariDataSourceMetricsPostProcessor implements BeanPostProcessor, Ordered
 	}
 
 	private HikariDataSource determineHikariDataSource(Object bean) {
-		if (!(bean instanceof DataSource)) {
-			return null;
+		if (bean instanceof DataSource) {
+			return DataSourceUnwrapper.unwrap((DataSource) bean, HikariDataSource.class);
 		}
-		DataSource dataSource = (DataSource) bean;
-		return DataSourceUnwrapper.unwrap(dataSource, HikariDataSource.class);
+		return null;
 	}
 
 	private void bindMetricsRegistryToHikariDataSource(MeterRegistry registry,
 			HikariDataSource dataSource) {
-		if (dataSource.getMetricRegistry() == null
-				&& dataSource.getMetricsTrackerFactory() == null) {
+		if (!hasExisingMetrics(dataSource)) {
 			try {
 				dataSource.setMetricsTrackerFactory(
 						new MicrometerMetricsTrackerFactory(registry));
@@ -80,6 +78,11 @@ class HikariDataSourceMetricsPostProcessor implements BeanPostProcessor, Ordered
 		}
 	}
 
+	private boolean hasExisingMetrics(HikariDataSource dataSource) {
+		return dataSource.getMetricRegistry() != null
+				|| dataSource.getMetricsTrackerFactory() != null;
+	}
+
 	private MeterRegistry getMeterRegistry() {
 		if (this.meterRegistry == null) {
 			this.meterRegistry = this.context.getBean(MeterRegistry.class);

spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/metrics/web/servlet/WebMvcMetricsAutoConfiguration.java

@@ -105,6 +105,9 @@ public class WebMvcMetricsAutoConfiguration {
 		return new MetricsWebMvcConfigurer(meterRegistry, tagsProvider);
 	}
 
+	/**
+	 * {@link WebMvcConfigurer} to add metrics interceptors.
+	 */
 	static class MetricsWebMvcConfigurer implements WebMvcConfigurer {
 
 		private final MeterRegistry meterRegistry;

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/jersey/JerseyAutoConfiguration.java

@@ -109,16 +109,6 @@ public class JerseyAutoConfiguration implements ServletContextAware {
 		customize();
 	}
 
-	private String resolveApplicationPath() {
-		if (StringUtils.hasLength(this.jersey.getApplicationPath())) {
-			return this.jersey.getApplicationPath();
-		}
-		else {
-			return findApplicationPath(AnnotationUtils.findAnnotation(
-					this.config.getApplication().getClass(), ApplicationPath.class));
-		}
-	}
-
 	private void customize() {
 		if (this.customizers != null) {
 			AnnotationAwareOrderComparator.sort(this.customizers);
@@ -134,6 +124,14 @@ public class JerseyAutoConfiguration implements ServletContextAware {
 		return this::resolveApplicationPath;
 	}
 
+	private String resolveApplicationPath() {
+		if (StringUtils.hasLength(this.jersey.getApplicationPath())) {
+			return this.jersey.getApplicationPath();
+		}
+		return findApplicationPath(AnnotationUtils.findAnnotation(
+				this.config.getApplication().getClass(), ApplicationPath.class));
+	}
+
 	@Bean
 	@ConditionalOnMissingBean
 	public FilterRegistrationBean<RequestContextFilter> requestContextFilter() {