Java 类org.springframework.context.annotation.AnnotationConfigRegistry 实例源码

static public AbstractApplicationContext load() {
    AbstractApplicationContext context;

    try {
        context = AnnotationConfigApplicationContext.class.newInstance();
    } catch (InstantiationException | IllegalAccessException e) {
        throw new RuntimeException(e);
    }

    AnnotationConfigRegistry registry = (AnnotationConfigRegistry) context;

    registry.register(BaseConfiguration.class);
    registry.register(GraphQLJavaToolsAutoConfiguration.class);

    context.refresh();

    return context;
}

private void scanAppRepository(AbstractApplicationContext context, Component component) {
    String appRepository = component.getManifestAttribute(APP_REPOSITORY);
    if (StringUtils.isEmpty(appRepository)) {
        return;
    }
    int count;
    if (context instanceof AnnotationConfigRegistry) {
        int before = context.getBeanDefinitionCount();
        ((AnnotationConfigRegistry) context).scan(StringUtils.split(appRepository, CONFIG_LOCATION_DELIMITERS));
        count = context.getBeanDefinitionCount() - before;
    } else {
        ClassPathBeanDefinitionScanner scanner =
                new ClassPathBeanDefinitionScanner((BeanDefinitionRegistry) context);
        scanner.setEnvironment(context.getEnvironment());
        scanner.setResourceLoader(context);
        scanner.setIncludeAnnotationConfig(false);
        count = scanner.scan(StringUtils.split(appRepository, CONFIG_LOCATION_DELIMITERS));
    }
    if (count > 0 && logger.isDebugEnabled()) {
        logger.debug("Scanned {} beans in {}", count, component.getDisplayName());
        String[] names = context.getBeanDefinitionNames();
        for (String name : names) {
            BeanDefinition definition = ((GenericApplicationContext) context).getBeanDefinition(name);
            if (definition instanceof ScannedGenericBeanDefinition) {
                ScannedGenericBeanDefinition sgbd = (ScannedGenericBeanDefinition) definition;
                Class<?> beanClass;
                try {
                    beanClass = sgbd.resolveBeanClass(context.getClassLoader());
                } catch (ClassNotFoundException e) {
                    continue;
                }
                if (beanClass != null) {
                    logger.debug("\t{}", beanClass.getName());
                }
            }
        }
    }

}