public static BeanComponentDefinition parseInnerHandlerDefinition(
Element element, ParserContext parserContext) {
// parses out the inner bean definition for concrete implementation if defined
List<Element> childElements = DomUtils.getChildElementsByTagName(element, "bean");
BeanComponentDefinition innerComponentDefinition = null;
if (childElements != null && childElements.size() == 1) {
Element beanElement = childElements.get(0);
BeanDefinitionParserDelegate delegate = parserContext.getDelegate();
BeanDefinitionHolder bdHolder = delegate.parseBeanDefinitionElement(beanElement);
bdHolder = delegate.decorateBeanDefinitionIfRequired(beanElement, bdHolder);
BeanDefinition inDef = bdHolder.getBeanDefinition();
innerComponentDefinition = new BeanComponentDefinition(inDef, bdHolder.getBeanName());
}
String ref = element.getAttribute(REF_ATTRIBUTE);
Assert.isTrue(
!(StringUtils.hasText(ref) && innerComponentDefinition != null),
"Ambiguous definition. Inner bean "
+ (innerComponentDefinition == null
? innerComponentDefinition
: innerComponentDefinition.getBeanDefinition().getBeanClassName())
+ " declaration and \"ref\" "
+ ref
+ " are not allowed together.");
return innerComponentDefinition;
}
@Override
protected AbstractBeanDefinition doParse(
Element element, ParserContext parserContext, String channelName) {
if (parserContext.isNested()) {
if (channelName != null) {
String elementDescription = IntegrationNamespaceUtils.createElementDescription(element);
parserContext
.getReaderContext()
.error(
"The 'channel' attribute isn't allowed for "
+ elementDescription
+ " when it is used as a nested element,"
+ " e.g. inside a <chain/>",
element);
}
AbstractBeanDefinition consumerBeanDefinition = this.parseConsumer(element, parserContext);
this.configureRequestHandlerAdviceChain(element, parserContext, consumerBeanDefinition, null);
return consumerBeanDefinition;
}
BeanDefinitionBuilder builder =
BeanDefinitionBuilder.genericBeanDefinition(ConsumerEndpointFactoryBean.class);
Element pollerElement = DomUtils.getChildElementByTagName(element, "poller");
BeanComponentDefinition handlerBeanComponentDefinition =
this.doParseAndRegisterConsumer(element, parserContext);
builder.addPropertyReference("handler", handlerBeanComponentDefinition.getBeanName());
IntegrationNamespaceUtils.checkAndConfigureFixedSubscriberChannel(
element, parserContext, channelName, handlerBeanComponentDefinition.getBeanName());
if (pollerElement != null) {
if (!StringUtils.hasText(channelName)) {
parserContext
.getReaderContext()
.error(
"outbound channel adapter with a 'poller' requires a 'channel' to poll", element);
}
IntegrationNamespaceUtils.configurePollerMetadata(pollerElement, builder, parserContext);
}
builder.addPropertyValue("inputChannelName", channelName);
this.configureRequestHandlerAdviceChain(
element, parserContext, handlerBeanComponentDefinition.getBeanDefinition(), builder);
return builder.getBeanDefinition();
}