PluginLoader.java 文件源码

private List<CrateComponentLoader.OnModuleReference> loadModuleReferences(Plugin plugin) {
    List<CrateComponentLoader.OnModuleReference> list = Lists.newArrayList();
    for (Method method : plugin.getClass().getDeclaredMethods()) {
        if (!method.getName().equals("onModule")) {
            continue;
        }
        if (method.getParameterTypes().length == 0 || method.getParameterTypes().length > 1) {
            logger.warn("Plugin: {} implementing onModule with no parameters or more than one parameter", plugin.name());
            continue;
        }
        Class moduleClass = method.getParameterTypes()[0];
        if (!Module.class.isAssignableFrom(moduleClass)) {
            logger.warn("Plugin: {} implementing onModule by the type is not of Module type {}", plugin.name(), moduleClass);
            continue;
        }
        method.setAccessible(true);
        //noinspection unchecked
        list.add(new CrateComponentLoader.OnModuleReference(moduleClass, method));
    }

    return list;
}