Android Day Get getArrayDiffDays(String startDate, String endDate)

Description

get Array Diff Days

Declaration

public static String[] getArrayDiffDays(String startDate, String endDate) 

Method Source Code

//package com.java2s;

import java.text.ParseException;

import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;

public class Main {
    public static String[] getArrayDiffDays(String startDate, String endDate) {
        int LEN = 0;
        if (startDate.equals(endDate)) {
            return new String[] { startDate };
        }/*from  w  w w .  j  ava  2  s . c o m*/
        Date sdate = null;
        if (startDate.indexOf("/") > 0 && endDate.indexOf("/") > 0) {
            sdate = getDateObj(startDate, "/");
        }
        if (startDate.indexOf("-") > 0 && endDate.indexOf("-") > 0) {
            sdate = getDateObj(startDate, "-");
        }

        LEN = getDiffDays(startDate, endDate);
        String[] dateResult = new String[LEN + 1];
        dateResult[0] = startDate;
        for (int i = 1; i < LEN + 1; i++) {
            if (startDate.indexOf("/") > 0 && endDate.indexOf("/") > 0) {
                dateResult[i] = getFormatDateTime(getDateAdd(sdate, i),
                        "yyyy/MM/dd");
            }
            if (startDate.indexOf("-") > 0 && endDate.indexOf("-") > 0) {
                dateResult[i] = getFormatDateTime(getDateAdd(sdate, i),
                        "yyyy-MM-dd");
            }
        }

        return dateResult;
    }

    public static Date getDateObj(int year, int month, int day) {
        Calendar c = new GregorianCalendar();
        c.set(year, month - 1, day);
        return c.getTime();
    }

    public static Date getDateObj(String argsDate, String split) {
        String[] temp = argsDate.split(split);
        int year = Integer.valueOf(temp[0]);
        int month = Integer.valueOf(temp[1]);
        int day = Integer.valueOf(temp[2]);
        return getDateObj(year, month, day);
    }

    public static Date getDateObj() {
        Calendar c = new GregorianCalendar();
        return c.getTime();
    }

    public static int getDiffDays(String startDate, String endDate) {
        long diff = 0;
        SimpleDateFormat ft = null;
        if (startDate.indexOf("/") > 0 && endDate.indexOf("/") > 0) {
            ft = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");
        }
        if (startDate.indexOf("-") > 0 && endDate.indexOf("-") > 0) {
            ft = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        }
        try {
            Date sDate = ft.parse(startDate + " 00:00:00");
            Date eDate = ft.parse(endDate + " 00:00:00");
            diff = eDate.getTime() - sDate.getTime();
            diff = diff / 86400000;// 1000*60*60*24;
        } catch (ParseException e) {
            e.printStackTrace();
        }
        return (int) diff;

    }

    public static String getFormatDateTime(Date date, String format) {
        SimpleDateFormat sdf = new SimpleDateFormat(format);
        return sdf.format(date);
    }

    public static Date getDateAdd(Date date, int amount) {
        Calendar cal = new GregorianCalendar();
        cal.setTime(date);
        cal.add(GregorianCalendar.DATE, amount);
        return cal.getTime();
    }
}

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