AnnotationConfigWebApplicationContext allows for custom AnnotatedBeanDefinitionReader/ClassPathBeanDefinitionScanner

Issue: SPR-9324

Author: jhoeller

spring-web/src/main/java/org/springframework/web/context/support/AnnotationConfigWebApplicationContext.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2014 the original author or authors.
+ * Copyright 2002-2015 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.
@@ -176,6 +176,7 @@ public void scan(String... basePackages) {
 	 * <p>Configuration class bean definitions are registered with generated bean
 	 * definition names unless the {@code value} attribute is provided to the stereotype
 	 * annotation.
+	 * @param beanFactory the bean factory to load bean definitions into
 	 * @see #register(Class...)
 	 * @see #scan(String...)
 	 * @see #setConfigLocation(String)
@@ -185,19 +186,17 @@ public void scan(String... basePackages) {
 	 */
 	@Override
 	protected void loadBeanDefinitions(DefaultListableBeanFactory beanFactory) {
-		AnnotatedBeanDefinitionReader reader = new AnnotatedBeanDefinitionReader(beanFactory);
-		reader.setEnvironment(getEnvironment());
-
-		ClassPathBeanDefinitionScanner scanner = new ClassPathBeanDefinitionScanner(beanFactory);
-		scanner.setEnvironment(getEnvironment());
+		AnnotatedBeanDefinitionReader reader = getAnnotatedBeanDefinitionReader(beanFactory);
+		ClassPathBeanDefinitionScanner scanner = getClassPathBeanDefinitionScanner(beanFactory);
 
 		BeanNameGenerator beanNameGenerator = getBeanNameGenerator();
-		ScopeMetadataResolver scopeMetadataResolver = getScopeMetadataResolver();
 		if (beanNameGenerator != null) {
 			reader.setBeanNameGenerator(beanNameGenerator);
 			scanner.setBeanNameGenerator(beanNameGenerator);
 			beanFactory.registerSingleton(AnnotationConfigUtils.CONFIGURATION_BEAN_NAME_GENERATOR, beanNameGenerator);
 		}
+
+		ScopeMetadataResolver scopeMetadataResolver = getScopeMetadataResolver();
 		if (scopeMetadataResolver != null) {
 			reader.setScopeMetadataResolver(scopeMetadataResolver);
 			scanner.setScopeMetadataResolver(scopeMetadataResolver);
@@ -248,4 +247,33 @@ protected void loadBeanDefinitions(DefaultListableBeanFactory beanFactory) {
 		}
 	}
 
+
+	/**
+	 * Build an {@link AnnotatedBeanDefinitionReader} for the given bean factory.
+	 * <p>This should be pre-configured with the {@code Environment} (if desired)
+	 * but not with a {@code BeanNameGenerator} or {@code ScopeMetadataResolver} yet.
+	 * @param beanFactory the bean factory to load bean definitions into
+	 * @since 4.1.9
+	 * @see #getEnvironment()
+	 * @see #getBeanNameGenerator()
+	 * @see #getScopeMetadataResolver()
+	 */
+	protected AnnotatedBeanDefinitionReader getAnnotatedBeanDefinitionReader(DefaultListableBeanFactory beanFactory) {
+		return new AnnotatedBeanDefinitionReader(beanFactory, getEnvironment());
+	}
+
+	/**
+	 * Build a {@link ClassPathBeanDefinitionScanner} for the given bean factory.
+	 * <p>This should be pre-configured with the {@code Environment} (if desired)
+	 * but not with a {@code BeanNameGenerator} or {@code ScopeMetadataResolver} yet.
+	 * @param beanFactory the bean factory to load bean definitions into
+	 * @since 4.1.9
+	 * @see #getEnvironment()
+	 * @see #getBeanNameGenerator()
+	 * @see #getScopeMetadataResolver()
+	 */
+	protected ClassPathBeanDefinitionScanner getClassPathBeanDefinitionScanner(DefaultListableBeanFactory beanFactory) {
+		return new ClassPathBeanDefinitionScanner(beanFactory, true, getEnvironment());
+	}
+
 }