AbstractAutowireCapableBeanFactory calls postProcessBeforeInstantiation with fully resolved target type

Issue: SPR-12140
Issue: SPR-12142

spring-beans/src/main/java/org/springframework/beans/factory/support/AbstractAutowireCapableBeanFactory.java

@@ -589,14 +589,8 @@ public abstract class AbstractAutowireCapableBeanFactory extends AbstractBeanFac
 
 	@Override
 	protected Class<?> predictBeanType(String beanName, RootBeanDefinition mbd, Class<?>... typesToMatch) {
-		Class<?> targetType = mbd.getTargetType();
-		if (targetType == null) {
-			targetType = (mbd.getFactoryMethodName() != null ? getTypeForFactoryMethod(beanName, mbd, typesToMatch) :
-					resolveBeanClass(mbd, beanName, typesToMatch));
-			if (ObjectUtils.isEmpty(typesToMatch) || getTempClassLoader() == null) {
-				mbd.setTargetType(targetType);
-			}
-		}
+		Class<?> targetType = determineTargetType(beanName, mbd, typesToMatch);
+
 		// Apply SmartInstantiationAwareBeanPostProcessors to predict the
 		// eventual type after a before-instantiation shortcut.
 		if (targetType != null && !mbd.isSynthetic() && hasInstantiationAwareBeanPostProcessors()) {
@@ -615,7 +609,27 @@ public abstract class AbstractAutowireCapableBeanFactory extends AbstractBeanFac
 	}
 
 	/**
-	 * Determine the bean type for the given bean definition which is based on
+	 * Determine the target type for the given bean definition.
+	 * @param beanName the name of the bean (for error handling purposes)
+	 * @param mbd the merged bean definition for the bean
+	 * @param typesToMatch the types to match in case of internal type matching purposes
+	 * (also signals that the returned {@code Class} will never be exposed to application code)
+	 * @return the type for the bean if determinable, or {@code null} otherwise
+	 */
+	protected Class<?> determineTargetType(String beanName, RootBeanDefinition mbd, Class<?>... typesToMatch) {
+		Class<?> targetType = mbd.getTargetType();
+		if (targetType == null) {
+			targetType = (mbd.getFactoryMethodName() != null ? getTypeForFactoryMethod(beanName, mbd, typesToMatch) :
+					resolveBeanClass(mbd, beanName, typesToMatch));
+			if (ObjectUtils.isEmpty(typesToMatch) || getTempClassLoader() == null) {
+				mbd.setTargetType(targetType);
+			}
+		}
+		return targetType;
+	}
+
+	/**
+	 * Determine the target type for the given bean definition which is based on
 	 * a factory method. Only called if there is no singleton instance registered
 	 * for the target bean already.
 	 * <p>This implementation determines the type matching {@link #createBean}'s
@@ -625,7 +639,7 @@ public abstract class AbstractAutowireCapableBeanFactory extends AbstractBeanFac
 	 * @param mbd the merged bean definition for the bean
 	 * @param typesToMatch the types to match in case of internal type matching purposes
 	 * (also signals that the returned {@code Class} will never be exposed to application code)
-	 * @return the type for the bean if determinable, or {@code null} else
+	 * @return the type for the bean if determinable, or {@code null} otherwise
 	 * @see #createBean
 	 */
 	protected Class<?> getTypeForFactoryMethod(String beanName, RootBeanDefinition mbd, Class<?>... typesToMatch) {
@@ -927,12 +941,15 @@ public abstract class AbstractAutowireCapableBeanFactory extends AbstractBeanFac
 		Object bean = null;
 		if (!Boolean.FALSE.equals(mbd.beforeInstantiationResolved)) {
 			// Make sure bean class is actually resolved at this point.
-			if (mbd.hasBeanClass() && !mbd.isSynthetic() && hasInstantiationAwareBeanPostProcessors()) {
-				bean = applyBeanPostProcessorsBeforeInstantiation(mbd.getBeanClass(), beanName);
+			if (!mbd.isSynthetic() && hasInstantiationAwareBeanPostProcessors()) {
+				Class<?> targetType = determineTargetType(beanName, mbd);
+				if (targetType != null) {
+					bean = applyBeanPostProcessorsBeforeInstantiation(targetType, beanName);
 					if (bean != null) {
 						bean = applyBeanPostProcessorsAfterInitialization(bean, beanName);
 					}
 				}
+			}
 			mbd.beforeInstantiationResolved = (bean != null);
 		}
 		return bean;