|  |  | 
 |  |  |         String result = null; | 
 |  |  |         log.info("【海康停车场事件推送】========开始=========:\n"+JSONObject.toJSONString(param)); | 
 |  |  |         try { | 
 |  |  |             if(param == null || param.getParams() == null || param.getParams().getEvents()==null){ | 
 |  |  |             if(param == null | 
 |  |  |                     || param.getParams() == null | 
 |  |  |                     || param.getParams().getEvents()==null){ | 
 |  |  |                 return null; | 
 |  |  |             } | 
 |  |  |             //门禁事件集合 | 
 |  |  | 
 |  |  |         Category category  = new Category(); | 
 |  |  |         category.setName(tempname); | 
 |  |  |         category.setParentName(pName); | 
 |  |  |         return null; | 
 |  |  |         return category; | 
 |  |  |     } | 
 |  |  |  | 
 |  |  |     private void dealSelTruckAutoSignBiz(EventParkInfoRequest request, CarEvent event) { |