protected function doExecute()
 {
     $params = array('url' => $this->url);
     if ($this->group !== '') {
         $params['group'] = $this->group;
     } else {
         $params['group'] = null;
     }
     $rules = Rule::find(array($params));
     if ($rules) {
         $contextMap = array(RuleConditionExpressionOperand::CONTEXT_TYPE_REQUEST => $_REQUEST, RuleConditionExpressionOperand::CONTEXT_TYPE_GET => $_GET, RuleConditionExpressionOperand::CONTEXT_TYPE_POST => $_POST, RuleConditionExpressionOperand::CONTEXT_TYPE_HEADER => HttpUtils::getHttpHeaders(), RuleConditionExpressionOperand::CONTEXT_TYPE_COOKIE => $_COOKIE);
         $matcher = new RuleResponseMatcher();
         foreach ($rules as $rule) {
             $res = $matcher->match($rule, $contextMap);
             if (isset($res)) {
                 if (is_array($res) || is_object($res)) {
                     $this->setReturnType(self::RETURN_TYPE_JSON);
                     return $this->success($rule->res);
                 } else {
                     return $res;
                 }
             }
         }
     }
     $this->setReturnType(self::RETURN_TYPE_JSON);
     return $this->error(1, 'can\'t match any url for [' . $this->url . ']');
 }