if(str.indexOf("Referer: ")!=-1){
       String[] strs = str.split("\r\n");
       for(String temp:strs){
        if(temp.indexOf("Referer: ")!=-1){
         if(!referer.equals(temp)){
          referer = temp;
          System.out.println("++++++++++++++++++++++++++++++++++");
         }
        }
       }

      }