Map<String, T> candidateBeans = BeanFactoryUtils.beansOfTypeIncludingAncestors(bf, beanType);
T matchingBean = null;
for (String beanName : candidateBeans.keySet()) {
if (isQualifierMatch(qualifier, beanName, bf)) {
if (matchingBean != null) {
throw new NoSuchBeanDefinitionException(qualifier, "No unique " + beanType.getSimpleName() +
" bean found for qualifier '" + qualifier + "'");
}
matchingBean = candidateBeans.get(beanName);
}
}
if (matchingBean != null) {
return matchingBean;
}
else {
throw new NoSuchBeanDefinitionException(qualifier, "No matching " + beanType.getSimpleName() +
" bean found for qualifier '" + qualifier + "' - neither qualifier " + "match nor bean name match!");
}
}