Java Day of getFirstDayInThisQuarter(String nowDate)

Description

get First Day In This Quarter

License

Apache License

Declaration

@SuppressWarnings("deprecation")
public static String getFirstDayInThisQuarter(String nowDate) 

Method Source Code

//package com.java2s;
//License from project: Apache License 

import java.text.ParseException;
import java.text.SimpleDateFormat;

import java.util.Calendar;
import java.util.Date;

public class Main {

    @SuppressWarnings("deprecation")
    public static String getFirstDayInThisQuarter(String nowDate) {
        String ntime = "";
        int nowMonth;
        int nowYear;
        try {//from   w  w  w  .  ja v  a  2  s  . c  o m
            SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd");
            Date startDate = df.parse(nowDate);
            nowMonth = startDate.getMonth() + 1;
            nowYear = startDate.getYear() + 1900;
            while (true) {
                if (nowMonth >= 10) {
                    ntime = nowYear + "-10-01";
                    break;
                }
                if (nowMonth >= 7) {
                    ntime = nowYear + "-07-01";
                    break;
                }
                if (nowMonth >= 4) {
                    ntime = nowYear + "-04-01";
                    break;
                }
                if (nowMonth >= 1) {
                    ntime = nowYear + "-01-01";
                    break;
                }
            }
        } catch (Exception e) {
            //System.out.println(e);   
        }
        return ntime;
    }

    public static String getYear() {
        return getDateString("yyyy");
    }

    public static String getDateString() {
        return getDateString("yyyy-MM-dd");
    }

    public static String getDateString(int after) {
        return addDay(getDateString("yyyy-MM-dd"), after);
    }

    public static String getDateString(String format) {
        SimpleDateFormat df = new SimpleDateFormat(format);
        Date date = new Date(System.currentTimeMillis());
        String dateStr = df.format(date);
        return dateStr;
    }

    public static String addDay(String beginDateStr, int adddaycount) {
        java.text.SimpleDateFormat format = new java.text.SimpleDateFormat(
                "yyyy-MM-dd");
        try {
            Date beginDate = format.parse(beginDateStr);
            Calendar cal = Calendar.getInstance();
            cal.setTime(beginDate);
            cal.add(Calendar.DATE, adddaycount);
            Date enddate = cal.getTime();
            return format.format(enddate);
        } catch (ParseException e) {
            e.printStackTrace();
        }
        return null;
    }

    public static Date addDay(Date beginDate, int addcount) {
        Calendar cal = Calendar.getInstance();
        cal.setTime(beginDate);
        cal.add(Calendar.DAY_OF_YEAR, addcount);
        Date enddate = cal.getTime();
        return enddate;
    }
}

Related

1. getDisplayDate(final Date date, final int offsetDays)
2. getEndDayofMouth(String date, String inPattern, String outPattern)
3. getFirstDay(boolean isNeedHH24MISS)
4. getFirstDay(boolean withTime)
5. getFirstDay(Date date)
6. getFirstDayOfQuarter(Date date)
7. getFirstOfDay(Date date)
8. getFirstTimeInDay(Date day)
9. getFormattedNowDatePlusDays(int days, String dateFormat)