ConfigBeanDefinitionParser.java 文件源码

/**
 * Creates the RootBeanDefinition for a POJO advice bean. Also causes pointcut
 * parsing to occur so that the pointcut may be associate with the advice bean.
 * This same pointcut is also configured as the pointcut for the enclosing
 * Advisor definition using the supplied MutablePropertyValues.
 */
private AbstractBeanDefinition createAdviceDefinition(
        Element adviceElement, ParserContext parserContext, String aspectName, int order,
        RootBeanDefinition methodDef, RootBeanDefinition aspectFactoryDef,
        List<BeanDefinition> beanDefinitions, List<BeanReference> beanReferences) {

    RootBeanDefinition adviceDefinition = new RootBeanDefinition(getAdviceClass(adviceElement, parserContext));
    adviceDefinition.setSource(parserContext.extractSource(adviceElement));

    adviceDefinition.getPropertyValues().add(ASPECT_NAME_PROPERTY, aspectName);
    adviceDefinition.getPropertyValues().add(DECLARATION_ORDER_PROPERTY, order);

    if (adviceElement.hasAttribute(RETURNING)) {
        adviceDefinition.getPropertyValues().add(
                RETURNING_PROPERTY, adviceElement.getAttribute(RETURNING));
    }
    if (adviceElement.hasAttribute(THROWING)) {
        adviceDefinition.getPropertyValues().add(
                THROWING_PROPERTY, adviceElement.getAttribute(THROWING));
    }
    if (adviceElement.hasAttribute(ARG_NAMES)) {
        adviceDefinition.getPropertyValues().add(
                ARG_NAMES_PROPERTY, adviceElement.getAttribute(ARG_NAMES));
    }

    ConstructorArgumentValues cav = adviceDefinition.getConstructorArgumentValues();
    cav.addIndexedArgumentValue(METHOD_INDEX, methodDef);

    Object pointcut = parsePointcutProperty(adviceElement, parserContext);
    if (pointcut instanceof BeanDefinition) {
        cav.addIndexedArgumentValue(POINTCUT_INDEX, pointcut);
        beanDefinitions.add((BeanDefinition) pointcut);
    }
    else if (pointcut instanceof String) {
        RuntimeBeanReference pointcutRef = new RuntimeBeanReference((String) pointcut);
        cav.addIndexedArgumentValue(POINTCUT_INDEX, pointcutRef);
        beanReferences.add(pointcutRef);
    }

    cav.addIndexedArgumentValue(ASPECT_INSTANCE_FACTORY_INDEX, aspectFactoryDef);

    return adviceDefinition;
}