EventFind.java 文件源码

private static EventComposite findAnnotatedMethods(Object listenerClass, Set<EventSubscriber> subscriberMethods,
                                                   CompositeSubscription compositeSubscription) {
    for (Method method : listenerClass.getClass().getDeclaredMethods()) {
        if (method.isBridge()) {
            continue;
        }
        if (method.isAnnotationPresent(EventSubscribe.class)) {
            Class<?>[] parameterTypes = method.getParameterTypes();
            if (parameterTypes.length != 1) {
                throw new IllegalArgumentException("Method " + method + " has @Subscribe annotation but requires " + parameterTypes
                        .length + " arguments.  Methods must require a single argument.");
            }

            Class<?> parameterClazz = parameterTypes[0];
            if ((method.getModifiers() & Modifier.PUBLIC) == 0) {
                throw new IllegalArgumentException("Method " + method + " has @EventSubscribe annotation on " + parameterClazz + " " +
                        "but is not 'public'.");
            }

            EventSubscribe annotation = method.getAnnotation(EventSubscribe.class);
            EventThread thread = annotation.thread();

            EventSubscriber subscriberEvent = new EventSubscriber(listenerClass, method, thread);
            if (!subscriberMethods.contains(subscriberEvent)) {
                subscriberMethods.add(subscriberEvent);
                compositeSubscription.add(subscriberEvent.getSubscription());
            }
        }
    }
    return new EventComposite(compositeSubscription, listenerClass, subscriberMethods);
}