Polishing

spring-aop/src/main/java/org/springframework/aop/aspectj/annotation/AbstractAspectJAdvisorFactory.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2016 the original author or authors.
+ * Copyright 2002-2018 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.
@@ -59,6 +59,9 @@ public abstract class AbstractAspectJAdvisorFactory implements AspectJAdvisorFac
 
 	private static final String AJC_MAGIC = "ajc$";
 
+	private static final Class<?>[] ASPECTJ_ANNOTATION_CLASSES = new Class<?>[] {
+			Pointcut.class, Before.class, Around.class, After.class, AfterReturning.class, AfterThrowing.class};
+
 
 	/** Logger available to subclasses */
 	protected final Log logger = LogFactory.getLog(getClass());
@@ -122,14 +125,12 @@ public abstract class AbstractAspectJAdvisorFactory implements AspectJAdvisorFac
 
 	/**
 	 * Find and return the first AspectJ annotation on the given method
-	 * (there <i>should</i> only be one anyway...)
+	 * (there <i>should</i> only be one anyway...).
 	 */
 	@SuppressWarnings("unchecked")
 	protected static AspectJAnnotation<?> findAspectJAnnotationOnMethod(Method method) {
-		Class<?>[] classesToLookFor = new Class<?>[] {
-				Before.class, Around.class, After.class, AfterReturning.class, AfterThrowing.class, Pointcut.class};
-		for (Class<?> c : classesToLookFor) {
-			AspectJAnnotation<?> foundAnnotation = findAnnotation(method, (Class<Annotation>) c);
+		for (Class<?> clazz : ASPECTJ_ANNOTATION_CLASSES) {
+			AspectJAnnotation<?> foundAnnotation = findAnnotation(method, (Class<Annotation>) clazz);
 			if (foundAnnotation != null) {
 				return foundAnnotation;
 			}
@@ -148,6 +149,9 @@ public abstract class AbstractAspectJAdvisorFactory implements AspectJAdvisorFac
 	}
 
 
+	/**
+	 * AspectJ annotation types.
+	 */
 	protected enum AspectJAnnotationType {
 
 		AtPointcut,
@@ -167,16 +171,16 @@ public abstract class AbstractAspectJAdvisorFactory implements AspectJAdvisorFac
 
 		private static final String[] EXPRESSION_PROPERTIES = new String[] {"value", "pointcut"};
 
-		private static Map<Class<?>, AspectJAnnotationType> annotationTypes =
-				new HashMap<Class<?>, AspectJAnnotationType>();
+		private static Map<Class<?>, AspectJAnnotationType> annotationTypeMap =
+				new HashMap<Class<?>, AspectJAnnotationType>(8);
 
 		static {
-			annotationTypes.put(Pointcut.class,AspectJAnnotationType.AtPointcut);
-			annotationTypes.put(After.class,AspectJAnnotationType.AtAfter);
-			annotationTypes.put(AfterReturning.class,AspectJAnnotationType.AtAfterReturning);
-			annotationTypes.put(AfterThrowing.class,AspectJAnnotationType.AtAfterThrowing);
-			annotationTypes.put(Around.class,AspectJAnnotationType.AtAround);
-			annotationTypes.put(Before.class,AspectJAnnotationType.AtBefore);
+			annotationTypeMap.put(Pointcut.class, AspectJAnnotationType.AtPointcut);
+			annotationTypeMap.put(Before.class, AspectJAnnotationType.AtBefore);
+			annotationTypeMap.put(After.class, AspectJAnnotationType.AtAfter);
+			annotationTypeMap.put(AfterReturning.class, AspectJAnnotationType.AtAfterReturning);
+			annotationTypeMap.put(AfterThrowing.class, AspectJAnnotationType.AtAfterThrowing);
+			annotationTypeMap.put(Around.class, AspectJAnnotationType.AtAround);
 		}
 
 		private final A annotation;
@@ -202,9 +206,9 @@ public abstract class AbstractAspectJAdvisorFactory implements AspectJAdvisorFac
 		}
 
 		private AspectJAnnotationType determineAnnotationType(A annotation) {
-			for (Class<?> type : annotationTypes.keySet()) {
+			for (Class<?> type : annotationTypeMap.keySet()) {
 				if (type.isInstance(annotation)) {
-					return annotationTypes.get(type);
+					return annotationTypeMap.get(type);
 				}
 			}
 			throw new IllegalStateException("Unknown annotation type: " + annotation.toString());
@@ -213,19 +217,15 @@ public abstract class AbstractAspectJAdvisorFactory implements AspectJAdvisorFac
 		private String resolveExpression(A annotation) throws Exception {
 			String expression = null;
 			for (String methodName : EXPRESSION_PROPERTIES) {
-				Method method;
 				try {
-					method = annotation.getClass().getDeclaredMethod(methodName);
-				}
-				catch (NoSuchMethodException ex) {
-					method = null;
-				}
-				if (method != null) {
+					Method method = annotation.getClass().getDeclaredMethod(methodName);
 					String candidate = (String) method.invoke(annotation);
 					if (StringUtils.hasText(candidate)) {
 						expression = candidate;
 					}
 				}
+				catch (NoSuchMethodException ex) {
+				}
 			}
 			return expression;
 		}

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

@@ -53,8 +53,8 @@ import org.springframework.util.ClassUtils;
  * @author Stephane Nicoll
  * @since 2.5
  * @see ContextAnnotationAutowireCandidateResolver
- * @see CommonAnnotationBeanPostProcessor
  * @see ConfigurationClassPostProcessor
+ * @see CommonAnnotationBeanPostProcessor
  * @see org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor
  * @see org.springframework.beans.factory.annotation.RequiredAnnotationBeanPostProcessor
  * @see org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor
@@ -102,7 +102,6 @@ public class AnnotationConfigUtils {
 	public static final String PERSISTENCE_ANNOTATION_PROCESSOR_BEAN_NAME =
 			"org.springframework.context.annotation.internalPersistenceAnnotationProcessor";
 
-
 	private static final String PERSISTENCE_ANNOTATION_PROCESSOR_CLASS_NAME =
 			"org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor";
 
@@ -155,7 +154,7 @@ public class AnnotationConfigUtils {
 			}
 		}
 
-		Set<BeanDefinitionHolder> beanDefs = new LinkedHashSet<BeanDefinitionHolder>(4);
+		Set<BeanDefinitionHolder> beanDefs = new LinkedHashSet<BeanDefinitionHolder>(8);
 
 		if (!registry.containsBeanDefinition(CONFIGURATION_ANNOTATION_PROCESSOR_BEAN_NAME)) {
 			RootBeanDefinition def = new RootBeanDefinition(ConfigurationClassPostProcessor.class);
@@ -202,6 +201,7 @@ public class AnnotationConfigUtils {
 			def.setSource(source);
 			beanDefs.add(registerPostProcessor(registry, def, EVENT_LISTENER_PROCESSOR_BEAN_NAME));
 		}
+
 		if (!registry.containsBeanDefinition(EVENT_LISTENER_FACTORY_BEAN_NAME)) {
 			RootBeanDefinition def = new RootBeanDefinition(DefaultEventListenerFactory.class);
 			def.setSource(source);

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

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2015 the original author or authors.
+ * Copyright 2002-2018 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.
@@ -24,6 +24,7 @@ import org.springframework.core.Ordered;
 /**
  * Default {@link EventListenerFactory} implementation that supports the
  * regular {@link EventListener} annotation.
+ *
  * <p>Used as "catch-all" implementation by default.
  *
  * @author Stephane Nicoll
@@ -33,15 +34,17 @@ public class DefaultEventListenerFactory implements EventListenerFactory, Ordere
 
 	private int order = LOWEST_PRECEDENCE;
 
-	@Override
-	public int getOrder() {
-		return order;
-	}
 
 	public void setOrder(int order) {
 		this.order = order;
 	}
 
+	@Override
+	public int getOrder() {
+		return this.order;
+	}
+
+
 	public boolean supportsMethod(Method method) {
 		return true;
 	}

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

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2017 the original author or authors.
+ * Copyright 2002-2018 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.
@@ -44,8 +44,7 @@ import org.springframework.util.Assert;
 import org.springframework.util.CollectionUtils;
 
 /**
- * Register {@link EventListener} annotated method as individual {@link ApplicationListener}
- * instances.
+ * Registers {@link EventListener} methods as individual {@link ApplicationListener} instances.
  *
  * @author Stephane Nicoll
  * @author Juergen Hoeller

spring-tx/src/main/java/org/springframework/transaction/event/TransactionalEventListenerFactory.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2015 the original author or authors.
+ * Copyright 2002-2018 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.
@@ -21,11 +21,11 @@ import java.lang.reflect.Method;
 import org.springframework.context.ApplicationListener;
 import org.springframework.context.event.EventListenerFactory;
 import org.springframework.core.Ordered;
-import org.springframework.core.annotation.AnnotationUtils;
+import org.springframework.core.annotation.AnnotatedElementUtils;
 
 /**
  * {@link EventListenerFactory} implementation that handles {@link TransactionalEventListener}
- * annotated method.
+ * annotated methods.
  *
  * @author Stephane Nicoll
  * @since 4.2
@@ -47,7 +47,7 @@ public class TransactionalEventListenerFactory implements EventListenerFactory,
 
 	@Override
 	public boolean supportsMethod(Method method) {
-		return (AnnotationUtils.findAnnotation(method, TransactionalEventListener.class) != null);
+		return AnnotatedElementUtils.hasAnnotation(method, TransactionalEventListener.class);
 	}
 
 	@Override

spring-webmvc/src/main/java/org/springframework/web/servlet/mvc/method/annotation/RequestMappingHandlerAdapter.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2017 the original author or authors.
+ * Copyright 2002-2018 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.
@@ -116,6 +116,28 @@ import org.springframework.web.util.WebUtils;
 public class RequestMappingHandlerAdapter extends AbstractHandlerMethodAdapter
 		implements BeanFactoryAware, InitializingBean {
 
+	/**
+	 * MethodFilter that matches {@link InitBinder @InitBinder} methods.
+	 */
+	public static final MethodFilter INIT_BINDER_METHODS = new MethodFilter() {
+		@Override
+		public boolean matches(Method method) {
+			return (AnnotationUtils.findAnnotation(method, InitBinder.class) != null);
+		}
+	};
+
+	/**
+	 * MethodFilter that matches {@link ModelAttribute @ModelAttribute} methods.
+	 */
+	public static final MethodFilter MODEL_ATTRIBUTE_METHODS = new MethodFilter() {
+		@Override
+		public boolean matches(Method method) {
+			return (AnnotationUtils.findAnnotation(method, RequestMapping.class) == null &&
+					AnnotationUtils.findAnnotation(method, ModelAttribute.class) != null);
+		}
+	};
+
+
 	private List<HandlerMethodArgumentResolver> customArgumentResolvers;
 
 	private HandlerMethodArgumentResolverComposite argumentResolvers;
@@ -945,26 +967,4 @@ public class RequestMappingHandlerAdapter extends AbstractHandlerMethodAdapter
 		return mav;
 	}
 
-
-	/**
-	 * MethodFilter that matches {@link InitBinder @InitBinder} methods.
-	 */
-	public static final MethodFilter INIT_BINDER_METHODS = new MethodFilter() {
-		@Override
-		public boolean matches(Method method) {
-			return AnnotationUtils.findAnnotation(method, InitBinder.class) != null;
-		}
-	};
-
-	/**
-	 * MethodFilter that matches {@link ModelAttribute @ModelAttribute} methods.
-	 */
-	public static final MethodFilter MODEL_ATTRIBUTE_METHODS = new MethodFilter() {
-		@Override
-		public boolean matches(Method method) {
-			return ((AnnotationUtils.findAnnotation(method, RequestMapping.class) == null) &&
-					(AnnotationUtils.findAnnotation(method, ModelAttribute.class) != null));
-		}
-	};
-
 }