datetimeutility.java

一个常用的电子商城的站点源码

package com.publish.shop.util.javabeans;

import java.sql.Timestamp;
import java.text.Format;
import java.text.SimpleDateFormat;

public class DateTimeUtility {

        public static String getFormatedTime(Timestamp date) {
                if (date == null) return null;
                return getFormatedDateTime(date).substring(11);
        }

        public static String getFormatedDateTime(Timestamp date) {
                if (date == null) return null;
                SimpleDateFormat lFormatTimestamp = new SimpleDateFormat(Constants.TIMESTAMP_PATTERN);
            return lFormatTimestamp.format(date);
        }

    public static Timestamp getDateTime(String date, String time, Timestamp defaultValue){

            StringBuffer buf = new StringBuffer();
                Timestamp current = defaultValue;
                SimpleDateFormat lFormatDate = new SimpleDateFormat(Constants.DATE_PATTERN);
                SimpleDateFormat lFormatTime = new SimpleDateFormat(Constants.TIME_PATTERN);
                SimpleDateFormat lFormatTimestamp = new SimpleDateFormat(Constants.TIMESTAMP_PATTERN);

            if (Utility.isEmpty(date) && Utility.isEmpty(time)){
               return defaultValue;
            }
            if (defaultValue == null) current = getCurrentTimeStamp();
        if (Utility.isEmpty(date)) {
                buf.append(lFormatDate.format(current));
            } else {
                    buf.append(date);
            }
            buf.append(" ");
            if (Utility.isEmpty(time)) {
                    buf.append(lFormatTime.format(current));
            } else {
                        buf.append(time);
            }
                Timestamp rtn = null;
                try {
           rtn =new Timestamp(lFormatTimestamp.parse(buf.toString()).getTime());
                } catch (Exception e) {
                }
                return rtn;
    }

  public static String getCurTimeStamp()
   {
     SimpleDateFormat lSimpleDateFormat = new SimpleDateFormat();
     lSimpleDateFormat.applyPattern("yyyy-MM-dd HH:mm:ss");
     java.sql.Timestamp lTime =  (java.sql.Timestamp.valueOf(lSimpleDateFormat.format(new java.util.Date())));
     return getFormatedDateTime(lTime);
   }

  public static Timestamp getCurrentTimeStamp()
   {
     SimpleDateFormat lSimpleDateFormat = new SimpleDateFormat();
     lSimpleDateFormat.applyPattern("yyyy-MM-dd HH:mm:ss");
     return (java.sql.Timestamp.valueOf(lSimpleDateFormat.format(new java.util.Date())));
   }
}