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DataObject is a data mapping model.
/*******************************************************************************
* Copyright 2007-2013 See AUTHORS file.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
******************************************************************************/
package xworker.dataObject.utils;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
/**
* @author zhangyuxiang
*
*/
public class UtilDate {
public static final String DATE_FORMAT = "yyyy-MM-dd";
public static final String TIME_FORMAT = "HH:mm:ss";
public static final String TIMESTAMP = "yyyy-MM-dd HH:mm:ss";
static SimpleDateFormat dateFormat = new SimpleDateFormat(DATE_FORMAT);
static SimpleDateFormat timeFormat = new SimpleDateFormat(TIME_FORMAT);
static SimpleDateFormat timestampFormat = new SimpleDateFormat(TIMESTAMP);
/**
* 获取本星期的第一天。
*
* @return
*/
public static Date getWeekStart(){
GregorianCalendar calendar = new GregorianCalendar();
calendar.setTime(new Date());
//把时分秒清空
calendar.set(Calendar.HOUR_OF_DAY, 0);
calendar.set(Calendar.MINUTE, 0);
calendar.set(Calendar.SECOND, 0);
calendar.set(Calendar.MILLISECOND, 0);
//设置本星期第一天
calendar.set(Calendar.DATE, calendar.get(Calendar.DATE) - calendar.get(Calendar.DAY_OF_WEEK) + 1);
return calendar.getTime();
}
/**
* 获取本星期的最后一天。
*
* @return
*/
public static Date getWeekEnd(){
GregorianCalendar calendar = new GregorianCalendar();
calendar.setTime(new Date());
//把时分秒清空
calendar.set(Calendar.HOUR_OF_DAY, 0);
calendar.set(Calendar.MINUTE, 0);
calendar.set(Calendar.SECOND, 0);
calendar.set(Calendar.MILLISECOND, 0);
//设置本星期第一天
calendar.set(Calendar.DATE, calendar.get(Calendar.DATE) - calendar.get(Calendar.DAY_OF_WEEK) + 7);
return calendar.getTime();
}
/**
* 获取本月的第一天。
*
* @return
*/
public static Date getMonthStart(){
GregorianCalendar calendar = new GregorianCalendar();
calendar.setTime(new Date());
//把时分秒清空
calendar.set(Calendar.HOUR_OF_DAY, 0);
calendar.set(Calendar.MINUTE, 0);
calendar.set(Calendar.SECOND, 0);
calendar.set(Calendar.MILLISECOND, 0);
//设置本星期第一天
calendar.set(Calendar.DATE, calendar.get(Calendar.DATE) - calendar.get(Calendar.DAY_OF_MONTH) + 1);
return calendar.getTime();
}
/**
* 获取本月的最后一天。
*
* @return
*/
public static Date getMonthEnd(){
GregorianCalendar calendar = new GregorianCalendar();
calendar.setTime(new Date());
//把时分秒清空
calendar.set(Calendar.HOUR_OF_DAY, 0);
calendar.set(Calendar.MINUTE, 0);
calendar.set(Calendar.SECOND, 0);
calendar.set(Calendar.MILLISECOND, 0);
//本月的最后一天，也是下个月一号的前一天
calendar.set(Calendar.DATE, 1);
calendar.set(Calendar.MONTH, calendar.get(Calendar.MONTH) + 1);
calendar.set(Calendar.DATE, calendar.get(Calendar.DATE) - 1);
return calendar.getTime();
}
/**
* 获取当年的第一天。
*
* @return
*/
public static Date getYearStart(){
GregorianCalendar calendar = new GregorianCalendar();
calendar.setTime(new Date());
calendar.set(Calendar.HOUR_OF_DAY, 0);
calendar.set(Calendar.MINUTE, 0);
calendar.set(Calendar.SECOND, 0);
calendar.set(Calendar.MILLISECOND, 0);
calendar.set(Calendar.DATE, 1);
calendar.set(Calendar.MONTH, 0);
return calendar.getTime();
}
/**
* 获取本年的最后一天。
* @return
*/
public static Date getYearEnd(){
GregorianCalendar calendar = new GregorianCalendar();
calendar.setTime(new Date());
calendar.set(Calendar.HOUR_OF_DAY, 0);
calendar.set(Calendar.MINUTE, 0);
calendar.set(Calendar.SECOND, 0);
calendar.set(Calendar.MILLISECOND, 0);
calendar.set(Calendar.DATE, 31);
calendar.set(Calendar.MONTH, 11);
return calendar.getTime();
}
/**
* 返回指定日期所在月的天数。
*
* @param date
* @return
*/
public static int getMonthDayCount(Date date){
GregorianCalendar calendar = new GregorianCalendar();
calendar.setTime(date);
calendar.set(Calendar.DATE, 1);
calendar.set(Calendar.MONTH, calendar.get(Calendar.MONTH) + 1);
calendar.set(Calendar.DATE, calendar.get(Calendar.DATE) - 1);
return calendar.get(Calendar.DATE);
}
public static String getDateString(Date date, String format){
SimpleDateFormat f = new SimpleDateFormat(format);
return f.format(date);
}
/**
* 是否是在一个时间段范围里。
*
* @param adate
* @param start
* @param end
* @return
*/
public static boolean isBetween(Date adate, Date start, Date end){
if(adate == null) return false;
if(start != null && start.getTime() <= adate.getTime()){
return true;
}
if(end != null && end.getTime() >= adate.getTime()){
return true;
}
return false;
}
/**
* 获取一个时间加一个时间间隔（毫秒）后的时间。
*
* @param date1
* @param interval
* @return
*/
public static Date getDate(Date date1, long interval){
if(date1 == null) return null;
long time = date1.getTime();
return new Date(time + interval);
}
/**
* 获取一个时间加一个时间间隔（天）后的时间。
*
* @param date
* @param interval
* @return
*/
public static Date getDate(Date date, double interval){
if(date == null){
return null;
}
return new Date(date.getTime() + (long)(interval * 86400000));
}
/**
* 返回昨天
* @return
*/
public static Date getYesterday(){
Date date = new Date();
date = new Date(date.getTime() - 24 * 3600 * 1000);
try {
return getDate(UtilDate.getDateString(date, "yyyy-MM-dd"), "yyyy-MM-dd");
} catch (ParseException e) {
return date;
}
}
/**
* 取得明天。
*
* @return
*/
public static Date getTomorrow(){
Date date = new Date();
date = new Date(date.getTime() + 24 * 3600 * 1000);
try {
return getDate(UtilDate.getDateString(date, "yyyy-MM-dd"), "yyyy-MM-dd");
} catch (ParseException e) {
return date;
}
}
public static Date getDate(String dateStr) {
Date date = null;
if("current_date".equals(dateStr)){
date = new Date();
}else{
try {
date = dateFormat.parse(dateStr);
} catch (ParseException e) {
//e.printStackTrace();
}
}
return date;
}
public static Date getTime(String timeStr) throws ParseException{
Date date = null;
if("current_time".equals(timeStr)){
date = new Date();
}else{
date = timeFormat.parse(timeStr);
}
return date;
}
public static Date getTimestamp(String timeStr) throws ParseException{
Date date = null;
if("current_date".equals(timeStr)){
date = new Date();
}else{
try{
date = timestampFormat.parse(timeStr);
}catch(Exception e){
try{
date = dateFormat.parse(timeStr);
}catch(Exception ee){
date = timestampFormat.parse("1970-01-01 " + timeStr);
}
}
}
return date;
}
public static Date getDate(String dateStr, String format) throws ParseException{
SimpleDateFormat f = new SimpleDateFormat(format);
return f.parse(dateStr);
}
/**
* 取两个时间的时间差。
*
* @param date1
* @param date2
* @return
*/
public static long getInterval(Date date1, Date date2){
//如果其中的一个时间为空，返回0
if(date1 == null || date2 == null){
return 0;
}
long t1 = date1.getTime();
long t2 = date2.getTime();
if(t1 > t2){
return t1 - t2;
}else{
return t2 - t1;
}
}
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