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matrix.business.common.utils.DateUtil Maven / Gradle / Ivy
package matrix.business.common.utils;
import matrix.boot.common.exception.ServiceException;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
/**
* @author wangcheng
* effect 处理日期
*/
public class DateUtil {
/**
* @return 返回当前时间 Date类型
*/
public static Date getNowDate() {
return new Date();
}
/**
* @param format 参数
* @return 返回当前时间所在周的星期一的时间 Date类型
*/
public static Date getFirstDayAtWhenWeek(TimeFormat format) {
Calendar calendar = Calendar.getInstance();
SimpleDateFormat sdf = new SimpleDateFormat(format.getValue());
calendar.set(Calendar.DAY_OF_WEEK, Calendar.MONDAY);
Date date;
try {
date = sdf.parse(sdf.format(calendar.getTime()));
} catch (ParseException e) {
throw new ServiceException(e);
}
return date;
}
/**
* @param format 参数
* @return 返回当前时间所在周的星期日的时间 Date类型
*/
public static Date getLastDayAtWhenWeek(TimeFormat format) {
Calendar calendar = Calendar.getInstance();
calendar.set(Calendar.DAY_OF_WEEK, Calendar.SUNDAY);
calendar.add(Calendar.WEEK_OF_YEAR, 1);
return getDate(format, calendar);
}
/**
* @param format 参数
* @return 返回当前时间之前一个月的时间 Date类型
*/
public static Date getBeforeOneMonth(TimeFormat format) {
Calendar calendar = Calendar.getInstance();
calendar.setTime(DateUtil.getNowDate());
calendar.add(Calendar.MONTH, -1);
return getDate(format, calendar);
}
/**
* @param format 参数
* @return 返回当前时间之后一个月的时间 Date类型
*/
public static Date getAfterOneMonth(TimeFormat format) {
Calendar calendar = Calendar.getInstance();
calendar.setTime(DateUtil.getNowDate());
calendar.add(Calendar.MONTH, 1);
return getDate(format, calendar);
}
/**
* @param date 参数
* @param format 参数
* @return 根据时间和pattern格式化时间格式 String类型
*/
public static String formatDateStrByPattern(Date date, TimeFormat format) {
SimpleDateFormat sdf = new SimpleDateFormat(format.getValue());
return sdf.format(date);
}
/**
* @param date 参数
* @return 将Date格式转化成 String类型
*/
public static String formatDateToStr(Date date) {
return date.toString();
}
/**
* @param date 参数
* @param format 参数
* @return 将String格式转化成 Date类型
*/
public static Date formatStrToDate(String date, TimeFormat format) {
SimpleDateFormat sdf = new SimpleDateFormat(format.getValue());
Date result;
try {
result = sdf.parse(date);
} catch (ParseException e) {
throw new ServiceException(e);
}
return result;
}
/**
* 获取时间
*/
private static Date getDate(TimeFormat format, Calendar calendar) {
Date date = null;
try {
SimpleDateFormat sdf = new SimpleDateFormat(format.getValue());
date = sdf.parse(sdf.format(calendar.getTime()));
} catch (ParseException e) {
throw new ServiceException(e);
}
return date;
}
public enum TimeFormat {
ShortTime("yyyyMMdd"),
ShortTimeLine("yyyy-MM-dd"),
ShortTimeUnderLine("yyyy_MM_dd"),
ShortTimeSpritLine("yyyy/MM/dd"),
LongTime("yyyyMMddHHmmss"),
LongTimeStandard("yyyy-MM-dd HH:mm:ss"),
CustomFormat("");
private String value;
TimeFormat(String value) {
this.value = value;
}
public String getValue() {
return value;
}
public TimeFormat customValue(String value) {
if (this == TimeFormat.CustomFormat) {
this.value = value;
}
return this;
}
}
/**
* 几天前的时间
*
* @param date 参数
* @param day 参数
* @return Date
*/
public static Date getBeforeDay(Date date, Integer day) {
Calendar calendar = Calendar.getInstance();
calendar.setTime(date);
calendar.add(Calendar.DATE, -day);
return calendar.getTime();
}
/**
* 几天后的时间
*
* @param date 参数
* @param day 参数
* @return Date
*/
public static Date getAfterDay(Date date, Integer day) {
Calendar calendar = Calendar.getInstance();
calendar.setTime(date);
calendar.add(Calendar.DATE, day);
return calendar.getTime();
}
/**
* 几周前的时间
*
* @param date 参数
* @param week 参数
* @return Date
*/
public static Date getBeforeWeek(Date date, Integer week) {
Calendar calendar = Calendar.getInstance();
calendar.setTime(date);
calendar.add(Calendar.DATE, -week * 7);
return calendar.getTime();
}
/**
* 几周后的时间
*
* @param date 参数
* @param week 参数
* @return Date
*/
public static Date getAfterWeek(Date date, Integer week) {
Calendar calendar = Calendar.getInstance();
calendar.setTime(date);
calendar.add(Calendar.DATE, week * 7);
return calendar.getTime();
}
/**
* 几月前的时间
*
* @param date 参数
* @param month 参数
* @return Date
*/
public static Date getBeforeMonth(Date date, Integer month) {
Calendar calendar = Calendar.getInstance();
calendar.setTime(date);
calendar.add(Calendar.MONTH, -month);
return calendar.getTime();
}
/**
* 几月后的时间
*
* @param date 参数
* @param month 参数
* @return Date
*/
public static Date getAfterMonth(Date date, Integer month) {
Calendar calendar = Calendar.getInstance();
calendar.setTime(date);
calendar.add(Calendar.MONTH, month);
return calendar.getTime();
}
/**
* 几年前的时间
*
* @param date 参数
* @param year 参数
* @return Date
*/
public static Date getBeforeYear(Date date, Integer year) {
Calendar calendar = Calendar.getInstance();
calendar.setTime(date);
calendar.add(Calendar.YEAR, -year);
return calendar.getTime();
}
/**
* 几年后的时间
*
* @param date 参数
* @param year 参数
* @return Date
*/
public static Date getAfterYear(Date date, Integer year) {
Calendar calendar = Calendar.getInstance();
calendar.setTime(date);
calendar.add(Calendar.YEAR, year);
return calendar.getTime();
}
/**
* 校验时间返回校验成功的时间
*
* @param startTime 参数
* @param endTime 参数
* @param defaultLimitDay 参数
* @param maxLimitDay 参数
* @param timeFormat 参数
* @return Date[]
*/
public static Date[] verifyDate(String startTime, String endTime,
Integer defaultLimitDay, Integer maxLimitDay, TimeFormat timeFormat) {
Date startDate;
Date endDate;
if (endTime == null || "".equals(endTime)) {
endDate = DateUtil.getNowDate();
} else {
endDate = DateUtil.formatStrToDate(endTime, timeFormat);
}
if (startTime == null || "".equals(startTime)) {
Date temp = DateUtil.getBeforeDay(endDate, defaultLimitDay);
if (DateUtil.getNowDate().getTime() < temp.getTime()) {
startDate = DateUtil.getNowDate();
} else {
startDate = temp;
}
} else {
startDate = DateUtil.formatStrToDate(startTime, timeFormat);
}
DateUtil.validate(startDate, endDate, defaultLimitDay, maxLimitDay);
return new Date[]{startDate, endDate};
}
/**
* 校验时间
*
* @param startDate 参数
* @param endDate 参数
*/
private static void validate(Date startDate, Date endDate, Integer defaultLimitDay, Integer maxLimitDay) {
if (DateUtil.getNowDate().getTime() < startDate.getTime()) {
throw new ServiceException("The start time cannot be in the future");
}
if (startDate.getTime() > endDate.getTime()) {
throw new ServiceException("The start time must be less than the end time");
}
if (DateUtil.getBeforeDay(endDate, maxLimitDay).getTime() > startDate.getTime()) {
throw new ServiceException("The longest query cycle is:" + maxLimitDay + " days");
}
}
}
