Polishing

spring-context/src/main/java/org/springframework/context/annotation/ConfigurationClassParser.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2018 the original author or authors.
+ * Copyright 2002-2019 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.
@@ -85,9 +85,9 @@ import org.springframework.util.StringUtils;
  * another using the {@link Import} annotation).
  *
  * <p>This class helps separate the concern of parsing the structure of a Configuration
- * class from the concern of registering BeanDefinition objects based on the
- * content of that model (with the exception of {@code @ComponentScan} annotations which
- * need to be registered immediately).
+ * class from the concern of registering BeanDefinition objects based on the content of
+ * that model (with the exception of {@code @ComponentScan} annotations which need to be
+ * registered immediately).
  *
  * <p>This ASM-based implementation avoids reflection and eager class loading in order to
  * interoperate effectively with lazy class loading in a Spring ApplicationContext.
@@ -814,7 +814,7 @@ class ConfigurationClassParser {
 			return new AssignableTypeFilter(clazz).match((MetadataReader) this.source, metadataReaderFactory);
 		}
 
-		public ConfigurationClass asConfigClass(ConfigurationClass importedBy) throws IOException {
+		public ConfigurationClass asConfigClass(ConfigurationClass importedBy) {
 			if (this.source instanceof Class) {
 				return new ConfigurationClass((Class<?>) this.source, importedBy);
 			}
@@ -882,7 +882,7 @@ class ConfigurationClassParser {
 			return result;
 		}
 
-		public Set<SourceClass> getAnnotations() throws IOException {
+		public Set<SourceClass> getAnnotations() {
 			Set<SourceClass> result = new LinkedHashSet<SourceClass>();
 			for (String className : this.metadata.getAnnotationTypes()) {
 				try {

spring-context/src/main/java/org/springframework/context/annotation/ConfigurationClassPostProcessor.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2018 the original author or authors.
+ * Copyright 2002-2019 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.
@@ -428,7 +428,7 @@ public class ConfigurationClassPostProcessor implements BeanDefinitionRegistryPo
 		}
 
 		@Override
-		public Object postProcessBeforeInitialization(Object bean, String beanName)  {
+		public Object postProcessBeforeInitialization(Object bean, String beanName) {
 			if (bean instanceof ImportAware) {
 				ImportRegistry ir = this.beanFactory.getBean(IMPORT_REGISTRY_BEAN_NAME, ImportRegistry.class);
 				AnnotationMetadata importingClass = ir.getImportingClassFor(bean.getClass().getSuperclass().getName());

spring-context/src/main/java/org/springframework/context/event/AbstractApplicationEventMulticaster.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2018 the original author or authors.
+ * Copyright 2002-2019 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.
@@ -257,7 +257,7 @@ public abstract class AbstractApplicationEventMulticaster
 	 * type before trying to instantiate it.
 	 * <p>If this method returns {@code true} for a given listener as a first pass,
 	 * the listener instance will get retrieved and fully evaluated through a
-	 * {@link #supportsEvent(ApplicationListener,ResolvableType, Class)}  call afterwards.
+	 * {@link #supportsEvent(ApplicationListener, ResolvableType, Class)} call afterwards.
 	 * @param listenerType the listener's type as determined by the BeanFactory
 	 * @param eventType the event type to check
 	 * @return whether the given listener should be included in the candidates

spring-context/src/main/java/org/springframework/context/support/AbstractApplicationContext.java

@@ -1214,7 +1214,7 @@ public abstract class AbstractApplicationContext extends DefaultResourceLoader
 
 	@Override
 	public <A extends Annotation> A findAnnotationOnBean(String beanName, Class<A> annotationType)
-			throws NoSuchBeanDefinitionException{
+			throws NoSuchBeanDefinitionException {
 
 		assertBeanFactoryActive();
 		return getBeanFactory().findAnnotationOnBean(beanName, annotationType);

spring-context/src/main/java/org/springframework/context/support/ResourceBundleMessageSource.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2018 the original author or authors.
+ * Copyright 2002-2019 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.
@@ -292,7 +292,7 @@ public class ResourceBundleMessageSource extends AbstractResourceBasedMessageSou
 			try {
 				return bundle.getString(key);
 			}
-			catch (MissingResourceException ex){
+			catch (MissingResourceException ex) {
 				// Assume key not found for some other reason
 				// -> do NOT throw the exception to allow for checking parent message source.
 			}

spring-context/src/main/java/org/springframework/context/support/SimpleThreadScope.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2017 the original author or authors.
+ * Copyright 2002-2019 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.
@@ -35,14 +35,13 @@ import org.springframework.core.NamedThreadLocal;
  * or through a {@link org.springframework.beans.factory.config.CustomScopeConfigurer} bean.
  *
  * <p>{@code SimpleThreadScope} <em>does not clean up any objects</em> associated with it.
- * As such, it is typically preferable to use
- * {@link org.springframework.web.context.request.RequestScope RequestScope}
- * in web environments.
+ * It is therefore typically preferable to use a request-bound scope implementation such
+ * as {@code org.springframework.web.context.request.RequestScope} in web environments,
+ * implementing the full lifecycle for scoped attributes (including reliable destruction).
  *
- * <p>For an implementation of a thread-based {@code Scope} with support for
- * destruction callbacks, refer to the
- * <a href="http://www.springbyexample.org/examples/custom-thread-scope-module.html">
-*  Spring by Example Custom Thread Scope Module</a>.
+ * <p>For an implementation of a thread-based {@code Scope} with support for destruction
+ * callbacks, refer to
+ * <a href="http://www.springbyexample.org/examples/custom-thread-scope-module.html">Spring by Example</a>.
  *
  * <p>Thanks to Eugene Kuleshov for submitting the original prototype for a thread scope!
  *