Merge pull request spring-projects#11536 from izeye:polish-20180108

* pr/11536:
  Polish

spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/metrics/cache/CacheMeterBinderProvidersConfiguration.java

@@ -37,7 +37,6 @@
  * {@link Configuration Auto-configuration} for {@link CacheMeterBinderProvider} beans.
  *
  * @author Stephane Nicoll
- * @since 2.0.0
  */
 @Configuration
 @ConditionalOnClass(MeterBinder.class)

spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/metrics/cache/CacheMetricsRegistrarConfiguration.java

@@ -38,7 +38,6 @@
  * caches}.
  *
  * @author Stephane Nicoll
- * @since 2.0.0
  */
 @Configuration
 @ConditionalOnBean(CacheMeterBinderProvider.class)
@@ -59,8 +58,8 @@ class CacheMetricsRegistrarConfiguration {
 			Collection<CacheMeterBinderProvider<?>> binderProviders,
 			Map<String, CacheManager> cacheManagers) {
 		this.registry = registry;
-		this.binderProviders = binderProviders;
 		this.properties = properties;
+		this.binderProviders = binderProviders;
 		this.cacheManagers = cacheManagers;
 	}
 

spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/metrics/cache/CacheMetricsConfigurationTests.java

@@ -39,13 +39,12 @@ public class CacheMetricsConfigurationTests {
 
 	private final ApplicationContextRunner contextRunner = new ApplicationContextRunner()
 			.withUserConfiguration(RegistryConfiguration.class)
-			.withConfiguration(AutoConfigurations.of(MetricsAutoConfiguration.class))
+			.withConfiguration(AutoConfigurations.of(MetricsAutoConfiguration.class, CacheAutoConfiguration.class))
 			.withPropertyValues("management.metrics.use-global-registry=false");
 
 	@Test
 	public void autoConfiguredCacheManagerIsInstrumented() {
 		this.contextRunner
-				.withConfiguration(AutoConfigurations.of(CacheAutoConfiguration.class))
 				.withPropertyValues("spring.cache.type=caffeine",
 						"spring.cache.cache-names=cache1,cache2")
 				.run((context) -> {
@@ -60,7 +59,6 @@ public void autoConfiguredCacheManagerIsInstrumented() {
 	@Test
 	public void autoConfiguredCacheManagerWithCustomMetricName() {
 		this.contextRunner
-				.withConfiguration(AutoConfigurations.of(CacheAutoConfiguration.class))
 				.withPropertyValues(
 						"management.metrics.cache.cache-metric-name=custom.name",
 						"spring.cache.type=caffeine", "spring.cache.cache-names=cache1")
@@ -76,7 +74,6 @@ public void autoConfiguredCacheManagerWithCustomMetricName() {
 	@Test
 	public void autoConfiguredNonSupportedCacheManagerIsIgnored() {
 		this.contextRunner
-				.withConfiguration(AutoConfigurations.of(CacheAutoConfiguration.class))
 				.withPropertyValues("spring.cache.type=simple",
 						"spring.cache.cache-names=cache1,cache2")
 				.run((context) -> {
@@ -91,7 +88,6 @@ public void autoConfiguredNonSupportedCacheManagerIsIgnored() {
 	@Test
 	public void cacheInstrumentationCanBeDisabled() {
 		this.contextRunner
-				.withConfiguration(AutoConfigurations.of(CacheAutoConfiguration.class))
 				.withPropertyValues("management.metrics.cache.instrument-cache=false",
 						"spring.cache.type=caffeine", "spring.cache.cache-names=cache1")
 				.run((context) -> {

spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/annotation/AnnotationEndpointDiscoverer.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2017 the original author or authors.
+ * Copyright 2012-2018 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.
@@ -63,7 +63,7 @@
 public abstract class AnnotationEndpointDiscoverer<K, T extends Operation>
 		implements EndpointDiscoverer<T> {
 
-	private final Log logger = LogFactory.getLog(getClass());
+	private static final Log logger = LogFactory.getLog(AnnotationEndpointDiscoverer.class);
 
 	private final ApplicationContext applicationContext;
 
@@ -277,10 +277,10 @@ private boolean isFilterMatch(EndpointFilter<T> filter,
 		catch (ClassCastException ex) {
 			String msg = ex.getMessage();
 			if (msg == null || msg.startsWith(endpointInfo.getClass().getName())) {
-				// Possibly a lambda-defined listener which we could not resolve the
-				// generic event type for
-				if (this.logger.isDebugEnabled()) {
-					this.logger.debug("Non-matching info type for filter: " + filter, ex);
+				// Possibly a lambda-defined EndpointFilter which we could not resolve the
+				// generic EndpointInfo type for
+				if (logger.isDebugEnabled()) {
+					logger.debug("Non-matching EndpointInfo for EndpointFilter: " + filter, ex);
 				}
 				return false;
 			}

spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/metrics/cache/CacheMetricsRegistrar.java

@@ -39,6 +39,8 @@
  */
 public class CacheMetricsRegistrar {
 
+	private static final Log logger = LogFactory.getLog(CacheMetricsRegistrar.class);
+
 	private final MeterRegistry registry;
 
 	private final String metricName;
@@ -94,12 +96,11 @@ private MeterBinder getMeterBinder(Cache cache, List<Tag> tags) {
 				catch (ClassCastException ex) {
 					String msg = ex.getMessage();
 					if (msg == null || msg.startsWith(cache.getClass().getName())) {
-						// Possibly a lambda-defined listener which we could not resolve
-						// the generic event type for
-						Log logger = LogFactory.getLog(getClass());
+						// Possibly a lambda-defined CacheMeterBinderProvider which we could not resolve
+						// the generic Cache type for
 						if (logger.isDebugEnabled()) {
 							logger.debug(
-									"Non-matching event type for CacheMeterBinderProvider: "
+									"Non-matching Cache type for CacheMeterBinderProvider: "
 											+ binderProvider,
 									ex);
 						}

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/web/ServerProperties.java

@@ -98,7 +98,7 @@ public class ServerProperties {
 	 */
 	private Duration connectionTimeout;
 
-	private Session session = new Session();
+	private final Session session = new Session();
 
 	@NestedConfigurationProperty
 	private Ssl ssl;
@@ -109,7 +109,7 @@ public class ServerProperties {
 	@NestedConfigurationProperty
 	private final Http2 http2 = new Http2();
 
-	private Servlet servlet = new Servlet();
+	private final Servlet servlet = new Servlet();
 
 	private final Tomcat tomcat = new Tomcat();
 
@@ -181,10 +181,6 @@ public Session getSession() {
 		return this.session;
 	}
 
-	public void setSession(Session session) {
-		this.session = session;
-	}
-
 	public Ssl getSsl() {
 		return this.ssl;
 	}
@@ -205,10 +201,6 @@ public Servlet getServlet() {
 		return this.servlet;
 	}
 
-	public void setServlet(Servlet servlet) {
-		this.servlet = servlet;
-	}
-
 	public Tomcat getTomcat() {
 		return this.tomcat;
 	}
@@ -242,7 +234,7 @@ public static class Servlet {
 		private String path = "/";
 
 		@NestedConfigurationProperty
-		private Jsp jsp = new Jsp();
+		private final Jsp jsp = new Jsp();
 
 		public String getContextPath() {
 			return this.contextPath;
@@ -276,10 +268,6 @@ public Jsp getJsp() {
 			return this.jsp;
 		}
 
-		public void setJsp(Jsp jsp) {
-			this.jsp = jsp;
-		}
-
 		public String getServletMapping() {
 			if (this.path.equals("") || this.path.equals("/")) {
 				return "/";
@@ -359,7 +347,7 @@ public static class Session {
 		 */
 		private File storeDir;
 
-		private Cookie cookie = new Cookie();
+		private final Cookie cookie = new Cookie();
 
 		public Cookie getCookie() {
 			return this.cookie;

spring-boot-project/spring-boot/src/main/java/org/springframework/boot/web/server/WebServerFactoryCustomizerBeanPostProcessor.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2017 the original author or authors.
+ * Copyright 2012-2018 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.
@@ -45,6 +45,8 @@
 public class WebServerFactoryCustomizerBeanPostProcessor
 		implements BeanPostProcessor, BeanFactoryAware {
 
+	private static final Log logger = LogFactory.getLog(WebServerFactoryCustomizerBeanPostProcessor.class);
+
 	private ListableBeanFactory beanFactory;
 
 	private List<WebServerFactoryCustomizer<?>> customizers;
@@ -92,8 +94,8 @@ private void invokeCustomizer(WebServerFactoryCustomizer customizer,
 		catch (ClassCastException ex) {
 			String msg = ex.getMessage();
 			if (msg == null || msg.startsWith(webServerFactory.getClass().getName())) {
-				// Possibly a lambda-defined listener which we could not resolve the
-				// generic event type for
+				// Possibly a lambda-defined WebServerFactoryCustomizer which we could not resolve the
+				// generic WebServerFactory type for
 				logLambdaDebug(customizer, ex);
 			}
 			else {
@@ -104,9 +106,8 @@ private void invokeCustomizer(WebServerFactoryCustomizer customizer,
 
 	private void logLambdaDebug(WebServerFactoryCustomizer<?> customizer,
 			ClassCastException ex) {
-		Log logger = LogFactory.getLog(getClass());
 		if (logger.isDebugEnabled()) {
-			logger.debug("Non-matching factory type for customizer: " + customizer, ex);
+			logger.debug("Non-matching WebServerFactory type for WebServerFactoryCustomizer: " + customizer, ex);
 		}
 	}
 

spring-boot-tests/spring-boot-integration-tests/spring-boot-launch-script-tests/src/test/java/org/springframework/boot/launchscript/SysVinitLaunchScriptIT.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2017 the original author or authors.
+ * Copyright 2012-2018 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.
@@ -403,11 +403,10 @@ private CopyToContainerCmdExec(WebTarget baseResource,
 
 		@Override
 		protected Void execute(CopyToContainerCmd command) {
-			try {
-				InputStream streamToUpload = new FileInputStream(CompressArchiveUtil
-						.archiveTARFiles(command.getFile().getParentFile(),
-								Arrays.asList(command.getFile()),
-								command.getFile().getName()));
+			try (InputStream streamToUpload = new FileInputStream(CompressArchiveUtil
+					.archiveTARFiles(command.getFile().getParentFile(),
+							Arrays.asList(command.getFile()),
+							command.getFile().getName()))) {
 				WebTarget webResource = getBaseResource().path("/containers/{id}/archive")
 						.resolveTemplate("id", command.getContainer());
 				webResource.queryParam("path", ".")