Polishing

spring-beans/src/main/java/org/springframework/beans/CachedIntrospectionResults.java

@@ -101,15 +101,14 @@ public class CachedIntrospectionResults {
 
 	/**
 	 * Clear the introspection cache for the given ClassLoader, removing the
-	 * introspection results for all classes underneath that ClassLoader,
-	 * and deregistering the ClassLoader (and any of its children) from the
-	 * acceptance list.
+	 * introspection results for all classes underneath that ClassLoader, and
+	 * removing the ClassLoader (and its children) from the acceptance list.
 	 * @param classLoader the ClassLoader to clear the cache for
 	 */
 	public static void clearClassLoader(ClassLoader classLoader) {
 		synchronized (classCache) {
 			for (Iterator<Class> it = classCache.keySet().iterator(); it.hasNext();) {
-				Class beanClass = it.next();
+				Class<?> beanClass = it.next();
 				if (isUnderneathClassLoader(beanClass.getClassLoader(), classLoader)) {
 					it.remove();
 				}
@@ -127,13 +126,11 @@ public class CachedIntrospectionResults {
 
 	/**
 	 * Create CachedIntrospectionResults for the given bean class.
-	 * <P>We don't want to use synchronization here. Object references are atomic,
-	 * so we can live with doing the occasional unnecessary lookup at startup only.
 	 * @param beanClass the bean class to analyze
 	 * @return the corresponding CachedIntrospectionResults
 	 * @throws BeansException in case of introspection failure
 	 */
-	static CachedIntrospectionResults forClass(Class beanClass) throws BeansException {
+	static CachedIntrospectionResults forClass(Class<?> beanClass) throws BeansException {
 		CachedIntrospectionResults results;
 		Object value;
 		synchronized (classCache) {
@@ -225,7 +222,7 @@ public class CachedIntrospectionResults {
 	 * @param beanClass the bean class to analyze
 	 * @throws BeansException in case of introspection failure
 	 */
-	private CachedIntrospectionResults(Class beanClass) throws BeansException {
+	private CachedIntrospectionResults(Class<?> beanClass) throws BeansException {
 		try {
 			if (logger.isTraceEnabled()) {
 				logger.trace("Getting BeanInfo for class [" + beanClass.getName() + "]");
@@ -248,7 +245,7 @@ public class CachedIntrospectionResults {
 			// garbage collection on class loader shutdown - we cache it here anyway,
 			// in a GC-friendly manner. In contrast to CachedIntrospectionResults,
 			// Introspector does not use WeakReferences as values of its WeakHashMap!
-			Class classToFlush = beanClass;
+			Class<?> classToFlush = beanClass;
 			do {
 				Introspector.flushFromCaches(classToFlush);
 				classToFlush = classToFlush.getSuperclass();
@@ -286,7 +283,7 @@ public class CachedIntrospectionResults {
 		return this.beanInfo;
 	}
 
-	Class getBeanClass() {
+	Class<?> getBeanClass() {
 		return this.beanInfo.getBeanDescriptor().getBeanClass();
 	}
 
@@ -314,7 +311,7 @@ public class CachedIntrospectionResults {
 		return pds;
 	}
 
-	private PropertyDescriptor buildGenericTypeAwarePropertyDescriptor(Class beanClass, PropertyDescriptor pd) {
+	private PropertyDescriptor buildGenericTypeAwarePropertyDescriptor(Class<?> beanClass, PropertyDescriptor pd) {
 		try {
 			return new GenericTypeAwarePropertyDescriptor(beanClass, pd.getName(), pd.getReadMethod(),
 					pd.getWriteMethod(), pd.getPropertyEditorClass());

spring-beans/src/main/java/org/springframework/beans/GenericTypeAwarePropertyDescriptor.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2012 the original author or authors.
+ * Copyright 2002-2013 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.
@@ -31,32 +31,32 @@ import org.springframework.util.ClassUtils;
 import org.springframework.util.StringUtils;
 
 /**
- * Extension of the standard JavaBeans PropertyDescriptor class,
- * overriding {@code getPropertyType()} such that a generically
- * declared type will be resolved against the containing bean class.
+ * Extension of the standard JavaBeans {@link PropertyDescriptor} class,
+ * overriding {@code getPropertyType()} such that a generically declared
+ * type variable will be resolved against the containing bean class.
  *
  * @author Juergen Hoeller
  * @since 2.5.2
  */
 class GenericTypeAwarePropertyDescriptor extends PropertyDescriptor {
 
-	private final Class beanClass;
+	private final Class<?> beanClass;
 
 	private final Method readMethod;
 
 	private final Method writeMethod;
 
-	private final Class propertyEditorClass;
+	private final Class<?> propertyEditorClass;
 
 	private volatile Set<Method> ambiguousWriteMethods;
 
-	private Class propertyType;
+	private Class<?> propertyType;
 
 	private MethodParameter writeMethodParameter;
 
 
-	public GenericTypeAwarePropertyDescriptor(Class beanClass, String propertyName,
-			Method readMethod, Method writeMethod, Class propertyEditorClass)
+	public GenericTypeAwarePropertyDescriptor(Class<?> beanClass, String propertyName,
+			Method readMethod, Method writeMethod, Class<?> propertyEditorClass)
 			throws IntrospectionException {
 
 		super(propertyName, null, null);
@@ -118,12 +118,12 @@ class GenericTypeAwarePropertyDescriptor extends PropertyDescriptor {
 	}
 
 	@Override
-	public Class getPropertyEditorClass() {
+	public Class<?> getPropertyEditorClass() {
 		return this.propertyEditorClass;
 	}
 
 	@Override
-	public synchronized Class getPropertyType() {
+	public synchronized Class<?> getPropertyType() {
 		if (this.propertyType == null) {
 			if (this.readMethod != null) {
 				this.propertyType = GenericTypeResolver.resolveReturnType(this.readMethod, this.beanClass);