AnnotationBean.java 文件源码

public void postProcessBeanFactory(ConfigurableListableBeanFactory beanFactory)
        throws BeansException {
    if (annotationPackage == null || annotationPackage.length() == 0) {
        return;
    }
    if (beanFactory instanceof BeanDefinitionRegistry) {
        try {
            // init scanner
            Class<?> scannerClass = ReflectUtils.forName("org.springframework.context.annotation.ClassPathBeanDefinitionScanner");
            Object scanner = scannerClass.getConstructor(new Class<?>[] {BeanDefinitionRegistry.class, boolean.class}).newInstance(new Object[] {(BeanDefinitionRegistry) beanFactory, true});
            // add filter
            Class<?> filterClass = ReflectUtils.forName("org.springframework.core.type.filter.AnnotationTypeFilter");
            Object filter = filterClass.getConstructor(Class.class).newInstance(Service.class);
            Method addIncludeFilter = scannerClass.getMethod("addIncludeFilter", ReflectUtils.forName("org.springframework.core.type.filter.TypeFilter"));
            addIncludeFilter.invoke(scanner, filter);
            // scan packages
            String[] packages = Constants.COMMA_SPLIT_PATTERN.split(annotationPackage);
            Method scan = scannerClass.getMethod("scan", new Class<?>[]{String[].class});
            scan.invoke(scanner, new Object[] {packages});
        } catch (Throwable e) {
            // spring 2.0
        }
    }
}