import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.Locale;
public class MoonDateUtil {
/**
* //이번달 가져오기 ( 2011/10)
* @return
*/
public static String getNowMonthStr(){
String thisMonth = new SimpleDateFormat("yyyy/MM" , Locale.getDefault()).format(Calendar.getInstance().getTime());
return thisMonth;
}
/**
* 이번년도 가져오기
* @return
*/
public static String getNowYearStr(){
String thisYear = new SimpleDateFormat("yyyy" , Locale.getDefault()).format(Calendar.getInstance().getTime());
return thisYear;
}
/**
* 이번달 가져오기
* @return
*/
public static String getOnlyNowMonthStr(){
String thisMonth = new SimpleDateFormat("MM" , Locale.getDefault()).format(Calendar.getInstance().getTime());
return thisMonth;
}
/**
* 오늘날짜 가져오기(2011.10.24)
* @return
*/
public static String getTodayDateStr(){
return new SimpleDateFormat("yyyy/MM/dd" , Locale.getDefault()).format(Calendar.getInstance().getTime());
}
/**
* String을 Date로 변환 yyyy/MM/dd 문자열
*
* @author 김준석
* @return
*/
public static Date getDate(String stringDate) throws Exception
{
return MoonDateUtil.getDate(stringDate, "yyyy/MM/dd");
}
/**
* String을 Date로 변환 yyyy/MM/dd hh:mm 문자열로 반환
*
* @author ywkim
* @return
*/
public static Date getDateTime(String stringDate) throws Exception
{
Date aa = MoonDateUtil.getDate(stringDate, "yyyy/MM/dd hh:mm:ss");
return aa;
}
/**
* String을 Date로 변환
* @param stringDate : 문자열
* @param formatStr : 문자열의 날짜포멧
* @author 김준석
* @return
*/
public static Date getDate(String stringDate, String formatStr) throws Exception
{
java.text.SimpleDateFormat format = new java.text.SimpleDateFormat(formatStr);
return format.parse(stringDate);
}
/**
* 다음달로 조정한 Date를 리턴
* ex. DateUtility.getAdjustedMonth(1) => 다음 달
* @param adjustMonth : 조정월
* @author 김준석
* @return Date
*/
public static Date getAdjustedMonth(int adjustMonth)
{
Calendar calendar = Calendar.getInstance();
calendar.add(Calendar.MONTH, adjustMonth);
return calendar.getTime();
}
/**
* 년도를 조정한 Date를 리턴
* ex. DateUtility.getAdjustedMonth(1) => 다음 달
* @param adjustMonth : 조정월
* @author 김준석
* @return Date
*/
public static Date getAdjustedYear(int adjustYear)
{
Calendar calendar = Calendar.getInstance();
calendar.add(Calendar.YEAR, adjustYear);
return calendar.getTime();
}
/**
* 일자를 조정한 Date를 리턴
* ex. DateUtility.getAdjustedDate(1) => 다음 날
* @param adjustDate : 조정 일자
* @author 김준석
* @return
*/
public static Date getAdjustedDate(int adjustDate)
{
Calendar calendar = Calendar.getInstance();
calendar.add(Calendar.DATE, adjustDate);
return calendar.getTime();
}
/**
* 일자를 조정한 Date를 리턴(시분까지 입력)
* ex. DateUtility.getAdjustedDate(1) => 다음 날
* @param adjustDate : 조정 일자
* @param hour : 지정 시
* @param minute : 지정 분
* @author 김준석
* @return
*/
public static Date getAdjustedDateHourMin(int adjustDate, int hour, int minute)
{
Calendar calendar = Calendar.getInstance();
calendar.add(Calendar.DATE, adjustDate);
calendar.set(Calendar.HOUR_OF_DAY, hour);
calendar.set(Calendar.MINUTE, minute);
return calendar.getTime();
}
/**
* 일자를 조정한 Date를 리턴(문자열yyyy-MM-dd)
* ex. DateUtility.getAdjustedDate(1) => 다음 날
* @param adjustDate : 조정 일자
* @author 김준석
* @return
*/
public static String getAdjustedDateStr(int adjustDate)
{
Calendar calendar = Calendar.getInstance();
calendar.add(Calendar.DATE, adjustDate);
return new SimpleDateFormat("yyyy/MM/dd" , Locale.getDefault()).format(calendar.getTime());
}
/**
* 해당월의 마지막 날
* ex. DateUtility.getAdjustedDate(1) => 다음 날
* @param adjustDate : 조정 일자
* @author 김준석
* @return
*/
public static String getLastDayOfMonthStr(Date date)
{
Calendar calendar = Calendar.getInstance();
calendar.setTime(date);
String lastDateStr = calendar.getMaximum(Calendar.DAY_OF_MONTH)+"";
if(lastDateStr.length() == 1) lastDateStr = "0" + lastDateStr;
return lastDateStr;
}
/**
* 해당월의 마지막 날
* ex. DateUtility.getAdjustedDate(1) => 다음 날
* @param adjustDate : 조정 일자
* @author 김준석
* @return
*/
public static int getLastDayOfMonth(Date date)
{
Calendar calendar = Calendar.getInstance();
calendar.setTime(date);
return calendar.getMaximum(Calendar.DAY_OF_MONTH);
}
/**
* 해당월의 주의 개수
* ex. DateUtility.getWeekCountOfMonth(date)
* @author 김준석
* @return
*/
public static int getWeekCountOfMonth(Date date)
{
Calendar calendar = Calendar.getInstance();
date.setDate(MoonDateUtil.getLastDayOfMonth(date));
calendar.setTime(date);
return calendar.get(Calendar.WEEK_OF_MONTH);
}
/**
* 해당월의 주의 개수
* ex. DateUtility.getWeekCountOfMonth("2016-05-07") => 5
* @param adjustDate : 조정 일자
* @author 김준석
* @return
*/
public static int getWeekCountOfMonthStr(String stringDate) throws Exception
{
Date date = MoonDateUtil.getDate(stringDate);
return MoonDateUtil.getWeekCountOfMonth(date);
}
public static Date getDatetoString(String stringDate){
Date rDate = null;
try {
SimpleDateFormat format = new java.text.SimpleDateFormat("yyyy/MM/dd");
rDate = format.parse(stringDate);
} catch (ParseException e) {
e.printStackTrace();
}
return rDate;
}
/**
* DATE를 FORMAT 스트링으로 변환
* @param date : 날짜
* @param formatStr : 문자열의 날짜포멧
* @author 김준석
* @return
*/
public static String getDateStringByFormmat(Date date , String formatStr) throws Exception
{
java.text.SimpleDateFormat format = new java.text.SimpleDateFormat(formatStr);
return format.format(date);
}
/**
* 두 Date간의 날짜차이 구하기
* @param startDate : 작은날짜
* @param endDate : 큰날짜
* @author 김준석
* @return int(날짜차이)
*/
public static int getDiffDayCountTwoDate(Date startDate , Date endDate) throws Exception
{
Calendar startCal = Calendar.getInstance();
Calendar endCal = Calendar.getInstance();
startCal.setTime(startDate);
endCal.setTime(endDate);
long diffMillis = endCal.getTimeInMillis() - startCal.getTimeInMillis();
int diffDayCount = (int)(diffMillis/(24*60*60*1000));
return diffDayCount;
}
/**
* 일자를 Date로 조정후 FORMAT 스트링으로 변환 리턴
* ex. DateUtility.getAdjustedDateToString(new Date(),"yyyy/MM/dd",1) => 다음 날
* @param date : 조정 시점 일자
* @param formatStr : 리턴 스트링 포멧
* @param adjustDate : 조정 일자
* @author 이인희
* @return
*/
public static String getAdjustedDateToString(Date date, String formatStr, int adjustDate)
{
Calendar calendar = Calendar.getInstance();
calendar.setTime (date);
calendar.add(Calendar.DATE, adjustDate);
Date newDate = calendar.getTime();
java.text.SimpleDateFormat format = new java.text.SimpleDateFormat(formatStr);
return format.format(newDate);
}
}
'프로그래밍 > JAVA' 카테고리의 다른 글
| RSA암호화 key생성 암호화 복호화 (0) | 2019.03.07 |
|---|---|
| RSA암호화 sample (0) | 2019.03.07 |
| FCM push 보내기 (0) | 2019.03.07 |
| Map을 VO로 변환 (0) | 2019.03.07 |
| VO를 Map으로 변환 (0) | 2019.03.07 |