Java DateUtil
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package com.apollo89.java.util; import java.text.DateFormat; import java.text.ParsePosition; import java.text.SimpleDateFormat; import java.util.Calendar; import java.util.Date; import java.util.GregorianCalendar; import java.util.Locale; import java.util.TimeZone; import java.util.Vector; public class DateUtil { public static String getDate2String(String date, String originFormat, String targetFormat, String locale) { SimpleDateFormat parser = new SimpleDateFormat(originFormat, new Locale(locale)); ParsePosition pos = new ParsePosition(0); DateFormat df = new SimpleDateFormat(targetFormat); return df.format(parser.parse(date, pos)); } public static String[] getDates(String startDay, String endDay) { Vector v = new Vector(); v.addElement(startDay); Calendar cal = getCalendar(); cal.setTime(string2Date(startDay)); String nextDay = date2String(cal.getTime()); while (!nextDay.equals(endDay)) { cal.add(Calendar.DATE, 1); nextDay = date2String(cal.getTime()); v.addElement(nextDay); } String[] dates = new String[v.size()]; v.copyInto(dates); return dates; } public static Calendar getCalendar() { Calendar cal = new GregorianCalendar(TimeZone.getTimeZone("GMT+09:00"), Locale.KOREA); cal.setTime(new Date()); return cal; } public static Date string2Date(String s) { return string2Date(s, "yyyyMMdd"); } public static Date string2Date(String s, String format) { Date date = null; SimpleDateFormat sdf = new SimpleDateFormat(format); date = sdf.parse(s, new ParsePosition(0)); return date; } public static String date2String(Date d) { return date2String(d, "yyyyMMdd"); } public static String date2String(Date d, String format) { SimpleDateFormat sdf = new SimpleDateFormat(format); return sdf.format(d); } } |