java 无法割符日期字符串转yyyy-MM-dd hh:mm:ss

public static void main(String[] args)
{
        
        String strDateTime="20150210125942";
        
        System.out.println(convJsonDateToString(strDateTime,"yyyyMMddhhmmss","yyyy-MM-dd HH:mm:ss"));
        System.out.println(priceInt);
}
public static String convJsonDateToString(String jsonDate,String jsonTemplate,String stringTemplate){
        
        String resultString=null;
        try {
            Calendar cldCalendar=convToCalender(jsonDate, jsonTemplate);
            resultString=convToString(cldCalendar, stringTemplate);
        } catch (Exception e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        return resultString;
 }