public void registerBeanDefinition(String beanName, BeanDefinition beanDefinition)
throws BeanDefinitionStoreException {
Assert.hasText(beanName, "Bean name must not be empty");
Assert.notNull(beanDefinition, "Bean definition must not be null");
if (beanDefinition instanceof AbstractBeanDefinition) {
try {
((AbstractBeanDefinition) beanDefinition).validate();
} catch (BeanDefinitionValidationException ex) {
throw new BeanDefinitionStoreException(
beanDefinition.getResourceDescription(),
beanName,
"Validation of bean definition failed",
ex);
}
}
Object oldBeanDefinition = this.beanDefinitionMap.get(beanName);
if (oldBeanDefinition != null) {
if (!this.allowBeanDefinitionOverriding) {
throw new BeanDefinitionStoreException(
beanDefinition.getResourceDescription(),
beanName,
"Cannot register bean definition ["
+ beanDefinition
+ "] for bean '"
+ beanName
+ "': there's already ["
+ oldBeanDefinition
+ "] bound");
} else {
if (logger.isInfoEnabled()) {
logger.info(
"Overriding bean definition for bean '"
+ beanName
+ "': replacing ["
+ oldBeanDefinition
+ "] with ["
+ beanDefinition
+ "]");
}
}
} else {
this.beanDefinitionNames.add(beanName);
}
this.beanDefinitionMap.put(beanName, beanDefinition);
// Remove corresponding bean from singleton cache, if any.
// Shouldn't usually be necessary, rather just meant for overriding
// a context's default beans (e.g. the default StaticMessageSource
// in a StaticApplicationContext).
removeSingleton(beanName);
}
public void postProcessBeanFactory(ConfigurableListableBeanFactory beanFactoryToProcess)
throws BeansException {
StringValueResolver valueResolver = new BeanDirectoryResolver();
BeanDefinitionVisitor visitor = new BeanDefinitionVisitor(valueResolver);
String[] beanNames = beanFactoryToProcess.getBeanDefinitionNames();
for (int i = 0; i < beanNames.length; i++) {
BeanDefinition bd = beanFactoryToProcess.getBeanDefinition(beanNames[i]);
try {
visitor.visitBeanDefinition(bd);
} catch (BeanDefinitionStoreException ex) {
throw new BeanDefinitionStoreException(
bd.getResourceDescription(), beanNames[i], ex.getMessage());
}
}
// New in Spring 2.5: resolve placeholders in alias target names and aliases as well.
beanFactoryToProcess.resolveAliases(valueResolver);
// New in Spring 3.0: resolve placeholders in embedded values such as annotation attributes.
beanFactoryToProcess.addEmbeddedValueResolver(valueResolver);
}
