Java Month getAllowMonth(String startdate, int count)

Description

get Allow Month

License

Apache License

Declaration

public static String getAllowMonth(String startdate, int count) 

Method Source Code

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

public class Main {

    public static String getAllowMonth(String startdate, int count) {
        String tempdate = getCurMonthDayStr(startdate);
        for (int i = 0; i < count; i++) {
            tempdate = getNextMonthDayStr(tempdate);
        }//from   ww w  .  j  a  va2 s . c o m
        return tempdate;
    }

    public static String getCurMonthDayStr(String curday) {
        int year = getYear(curday);
        String monthStr = getMonth(curday);
        int month = Integer.parseInt(monthStr);
        monthStr = String.valueOf(month);
        if (monthStr.length() == 1)
            monthStr = "0" + monthStr;
        return year + "-" + monthStr + "-01";
    }

    public static String getNextMonthDayStr(String curday) {
        int year = getYear(curday);
        String monthStr = getMonth(curday);
        int month = Integer.parseInt(monthStr);
        if (month >= 12) {
            month = 1;
            year = year + 1;
        } else
            month = month + 1;
        monthStr = String.valueOf(month);
        if (monthStr.length() == 1)
            monthStr = "0" + monthStr;
        return year + "-" + monthStr + "-01";
    }

    public static int getYear(String day) {
        if (day == null)
            return 0;
        if (day.length() < 8)
            return 0;
        return Integer.parseInt(day.substring(0, 4));
    }

    public static String getMonth(String day) {
        if (day == null)
            return "0";
        if (day.length() < 8)
            return "0";
        int m = day.indexOf("-", 0);
        int n = day.lastIndexOf("-");
        String temp = day.substring(m + 1, n);
        if (temp.length() == 1)
            temp = "0" + temp;
        return temp;
    }
}

Related

1. doy2month(int year, int doy)
2. extractMonthFromDate(String dateString)
3. findMonth(String strMonth)
4. fixMonth(int month)
5. fixMonth(String m)
6. getAssignMonth(String date)
7. getCurrDateByMonth(String date)
8. getEnligthMonth(String en)
9. getEnMonth(String month)