public function run($handlerAdapter = null) {$handlerAdapter !== null && $this->handlerAdapter = $handlerAdapter;$module = $this->getModules();$handlerPath = $module['controller-path'] . '.' . ucfirst($this->handlerAdapter->getController()) . $module['controller-suffix'];$className = Wind::import($handlerPath);if (!class_exists($className)) throw new WindException('Your requested \'' . $handlerPath . '\' was not found on this server.', 404);$handler = new $className();$handler->setDelayAttributes(array('errorMessage' => array('ref' => 'errorMessage'), 'forward' => array('ref' => 'forward')));$handlerAdapter !== null && $this->resolveActionFilters($handler);try {$forward = $handler->doAction($this->handlerAdapter);$this->doDispatch($forward);} catch (WindForwardException $e) {$this->doDispatch($e->getForward());} catch (WindActionException $e) {$this->sendErrorMessage(($e->getError() ? $e->getError() : $e->getMessage()), $e->getCode());} catch (WindException $e) {$this->sendErrorMessage($e->getMessage(), $e->getCode());}}

/*** 解析action过滤链的配置信息* * @param WindSimpleController $handler        * @return void*/protected function resolveActionFilters(&$handler) {if (!$filters = $this->getConfig('filters')) return;/* @var $cache AbstractWindCache */$_filters = array();if ($cache = Wind::getComponent('windCache')) {$_filters = $cache->get('filters');}$_token = $this->handlerAdapter->getModule() . '/' . $this->handlerAdapter->getController() . '/' . $this->handlerAdapter->getAction();if (!isset($_filters[$_token])) {foreach ($filters as $_filter) {if (empty($_filter['class'])) continue;$_pattern = empty($_filter['pattern']) ? '' : $_filter['pattern'];unset($_filter['pattern']);if ($_pattern) {$_pattern = str_replace(array('*', '/'), array('\w*', '\/'), $_pattern);if (in_array($_pattern[0], array('~', '!'))) {$_pattern = substr($_pattern, 1);if (preg_match('/^' . $_pattern . '$/i', $_token)) continue;} else {if (!preg_match('/^' . $_pattern . '$/i', $_token)) continue;}}$_filters[$_token][] = $_filter;}$cache && $cache->set('filters', $_filters);}if (empty($_filters[$_token])) return;/* @var $proxy WindClassProxy */$proxy = WindFactory::createInstance(Wind::import('WIND:filter.proxy.WindClassProxy'));$proxy->registerTargetObject($handler);foreach ($_filters[$_token] as $value) {$proxy->registerEventListener($this->factory->createInstance(Wind::import($value['class']), array($handler->getForward(), $handler->getErrorMessage(), $this->handlerAdapter, $value)), 'doAction');}$handler = $proxy;}

$proxy = WindFactory::createInstance(Wind::import('WIND:filter.proxy.WindClassProxy'));$proxy->registerTargetObject($handler);foreach ($_filters[$_token] as $value) {$proxy->registerEventListener($this->factory->createInstance(Wind::import($value['class']), array($handler->getForward(), $handler->getErrorMessage(), $this->handlerAdapter, $value)), 'doAction');}

try {$forward = $handler->doAction($this->handlerAdapter);$this->doDispatch($forward);} catch (WindForwardException $e) {$this->doDispatch($e->getForward());} catch (WindActionException $e) {$this->sendErrorMessage(($e->getError() ? $e->getError() : $e->getMessage()), $e->getCode());} catch (WindException $e) {$this->sendErrorMessage($e->getMessage(), $e->getCode());}

public function __call($methodName, $args) {$listeners = isset($this->_listener[$methodName]) ? $this->_listener[$methodName] : array();if (empty($listeners)) return call_user_func_array(array($this->_instance, $methodName), $args);$interceptorChain = $this->_getInterceptorChain($methodName);$interceptorChain->addInterceptors($listeners);$interceptorChain->setCallBack(array($this->_getInstance(), $methodName), $args);return call_user_func_array(array($interceptorChain->getHandler(), 'handle'), (array) $args);}

 * 拦截器的执行入口* * @param mixed $var=.. 该接口接受任意参数,并将依次传递给拦截器的前置和后置操作* @return mixed 返回拦截链执行的最终结果*/public function handle() {$args = func_get_args();$this->result = call_user_func_array(array($this, 'preHandle'), $args);if ($this->result !== null) {return $this->result;}if (null !== ($handler = $this->interceptorChain->getHandler())) {$this->result = call_user_func_array(array($handler, 'handle'), $args);　//执行过滤器的handle方法} else {$this->result = call_user_func_array(array($this->interceptorChain, 'handle'), $args);　//如果返回的handle为空的话就执行过滤链的handle的方法，也就是callback,调用控制器阿　}call_user_func_array(array($this, 'postHandle'), $args);return $this->result;}

/*** 返回拦截链中的下一个拦截器* * @return WindHandlerInterceptor*/public function getHandler() {if (count($this->_interceptors) <= 1) {return $this;}$handler = next($this->_interceptors);if ($handler === false) {reset($this->_interceptors);return null;}if (method_exists($handler, 'handle')) {$handler->setHandlerInterceptorChain($this);　//这里设置有什么用呢，就死为了最后一个调用过滤链的handle方法return $handler;}return $this->getHandler();}

/*** 执行callback方法* * @return mixed $var=.. 如果callBack没有被设置则返回null,否则返回回调函数的结果* @throws WindException 如果回调函数调用失败则抛出异常*/public function handle() {reset($this->_interceptors);if ($this->_callBack === null) return null;if (is_string($this->_callBack) && !function_exists($this->_callBack)) {throw new WindException('[filter.WindHandlerInterceptorChain.handle] ' . $this->_callBack, WindException::ERROR_FUNCTION_NOT_EXIST);}$this->_args || $this->_args = func_get_args();return call_user_func_array($this->_callBack, (array) $this->_args);}