com.b5m.you.common.util.DateUtils.java Source code

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Here is the source code for com.b5m.you.common.util.DateUtils.java

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/**
 * B5mDateUtils.java
 *
 *   ?
 *   ??B5mDateUtils
 *
 *   ver     ?       ?           ?
 * 
 *   V1.00  '12-05-24  iZENEsoft    wiley.wang       ?
 *
 * Copyright (c) 2009 iZENEsoft Business Software corporation All Rights Reserved.
 * LICENSE INFORMATION
 */
package com.b5m.you.common.util;

import java.io.Serializable;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;

import org.apache.commons.lang.StringUtils;

/**
 * ?
 * 
 * @author Wiley
 * @version v1.0
 */
public class DateUtils implements Serializable {

    private static final long serialVersionUID = 6622278926579307357L;

    private static final String CONSTANTS_TODAY_KEY = "CONSTANTS_TODAY_KEY";

    private static final String CONSTANTS_TOMORROW_KEY = "CONSTANTS_TOMORROW_KEY";

    //10min
    private static final int keyMis = 10 * 60;

    public static String getToday() {
        // SimpleDateFormat sdf= new SimpleDateFormat("yyyyMMddHHmmss");//ComConstants.SDF_YYYYMMDDHHMMSS;
        SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd");// ComConstants.SDF_YYYYMMDDHHMMSS;
        return sdf.format(new Date());
    }

    public static String getDateTime() {
        SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMddHHmmss");// ComConstants.SDF_YYYYMMDDHHMMSS;
        return sdf.format(new Date());
    }

    public static String getToday0() {
        Object obj = XMemCachedUtil.getInstance().getCache(CONSTANTS_TODAY_KEY);
        if (obj != null) {
            return (String) obj;
        }
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
        String temp = sdf.format(new Date());
        XMemCachedUtil.getInstance().setCache(CONSTANTS_TODAY_KEY, temp, keyMis);
        return temp;
    }

    public static String getTomorrow0() {
        Object obj = XMemCachedUtil.getInstance().getCache(CONSTANTS_TOMORROW_KEY);
        if (obj != null) {
            return (String) obj;
        }
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
        String temp = sdf.format(new Date(System.currentTimeMillis() + 24 * 60 * 60 * 1000));
        XMemCachedUtil.getInstance().setCache(CONSTANTS_TOMORROW_KEY, temp, keyMis);
        return temp;
    }

    /**
     * ?
     * 
     * @param deadline
     *            ,?yyyyMMddHHmmss
     * @return
     */
    public static String getRemainingTime(String endDate) {
        String rtn = "";
        if (StringUtils.isBlank(endDate))
            return rtn;
        SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMddHHmmss");// ComConstants.SDF_YYYYMMDDHHMMSS;//???
        try {
            Date deadline = sdf.parse(endDate);
            long remaining = deadline.getTime() - System.currentTimeMillis();
            // long remaining=lngDeadline-System.currentTimeMillis();
            if (remaining > 0) {
                int ms = (int) (remaining % 1000);
                remaining /= 1000;
                int sc = (int) (remaining % 60);
                remaining /= 60;
                int mn = (int) (remaining % 60);
                remaining /= 60;
                int hr = (int) (remaining % 24);
                long dy = (int) remaining / 24;
                rtn = dy + "" + hr + "?" + mn + "";// + sc + "";
            } else {
                rtn = "";
            }
        } catch (ParseException e) {

        }
        return rtn;
    }

    public static void main(String[] args) throws Exception {

    }

}