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package ftp; import java.io.File; import java.text.DateFormat; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.Calendar; import java.util.Date; import java.util.GregorianCalendar; import java.util.Locale; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; public class DateUtil { private static Log log = LogFactory.getLog(DateUtil.class); private static String defaultDatePattern = "yyyy-MM-dd HH:mm:ss"; private static String datePattern = "yyyyMMdd"; public static final int START_DATE = 1; public static final int END_DATE = 2; private static String timePattern = "HH:mm"; private static String timePattern2 = "HH:mm:ss"; public static Date getFirstDayOfMonth(Date date) { return getCalendarDate(START_DATE, date, true); } public static Date getLastDayOfMonth(Date date) { return getCalendarDate(END_DATE, date, true); } /** * 取得日程管理查询日期 for spp * * @param type * @param date * @param tuncate * @return */ private static Date getCalendarDate(int type, Date date, boolean truncate) { Calendar rightNow = Calendar.getInstance(Locale.CHINA); rightNow.setTime(date); int base = 1; switch (type) { case END_DATE: base = 0; rightNow.add(Calendar.MONTH, 1); if (!truncate) { break; } case START_DATE: rightNow.add(Calendar.DAY_OF_MONTH, base - rightNow.get(Calendar.DAY_OF_MONTH)); break; default: break; } return rightNow.getTime(); } /** * Return default datePattern (MM/dd/yyyy) * * @return a string representing the date pattern on the UI */ public static String getDefaultDatePattern() { return defaultDatePattern; } public static String getDatePattern() { return datePattern; } /** * This method attempts to convert an Oracle-formatted date in the form * dd-MMM-yyyy to mm/dd/yyyy. * * @param aDate * date from database as a string * @return formatted string for the ui */ public static final String getDate(Date aDate) { SimpleDateFormat df = null; String returnValue = ""; if (aDate != null) { df = new SimpleDateFormat(getDefaultDatePattern()); returnValue = df.format(aDate); } return (returnValue); } public static final String getDate_yyyyMMdd(Date aDate) { SimpleDateFormat df = null; String returnValue = ""; if (aDate != null) { df = new SimpleDateFormat(getDatePattern()); returnValue = df.format(aDate); } return (returnValue); } /** * This method generates a string representation of a date/time in the * format you specify on input * * @param aMask * the date pattern the string is in * @param strDate * a string representation of a date * @return a converted Date object * @see java.text.SimpleDateFormat * @throws ParseException */ public static final Date convertStringToDate(String aMask, String strDate) throws ParseException { SimpleDateFormat df = null; Date date = null; df = new SimpleDateFormat(aMask); if (log.isDebugEnabled()) { log.debug("converting '" + strDate + "' to date with mask '" + aMask + "'"); } try { date = df.parse(strDate); } catch (ParseException pe) { throw new ParseException(pe.getMessage(), pe.getErrorOffset()); } return (date); } /** * * @param date * @return */ public static final java.sql.Date convertUtilDateToSqlDate( java.util.Date date) { java.sql.Date current = new java.sql.Date(date.getTime()); return current; } /** * This method returns the current date time in the format: MM/dd/yyyy HH:MM * a * * @param theTime * the current time * @return the current date/time */ public static String getTimeNow(Date theTime) { return getDateTime(timePattern, theTime); } // public static String getHMS(Date theTime) { return getDateTime(timePattern2, theTime); } /** * This method returns the current date in the format: MM/dd/yyyy * * @return the current date * @throws ParseException */ public static Calendar getToday() throws ParseException { Date today = new Date(); SimpleDateFormat df = new SimpleDateFormat(getDefaultDatePattern()); String todayAsString = df.format(today); Calendar cal = new GregorianCalendar(); cal.setTime(convertStringToDate(todayAsString)); return cal; } /** * This method generates a string representation of a date's date/time in * the format you specify on input * * @param aMask * the date pattern the string is in * @param aDate * a date object * @return a formatted string representation of the date * * @see java.text.SimpleDateFormat */ public static final String getDateTime(String aMask, Date aDate) { SimpleDateFormat df = null; String returnValue = ""; if (aDate == null) { log.error("aDate is null!"); } else { df = new SimpleDateFormat(aMask); returnValue = df.format(aDate); } return (returnValue); } /** * This method generates a string representation of a date based on the * System Property 'dateFormat' in the format you specify on input * * @param aDate * A date to convert * @return a string representation of the date */ public static final String convertDateToString(Date aDate) { return getDateTime(getDefaultDatePattern(), aDate); } /** * This method converts a String to a date using the datePattern * * @param strDate * the date to convert (in format yyyy-mm-dd) * @return a date object * * @throws ParseException */ public static Date convertStringToDate(String strDate) throws ParseException { Date aDate = null; try { if (log.isDebugEnabled()) { log.debug("converting date with pattern: " + getDefaultDatePattern()); } aDate = convertStringToDate(getDefaultDatePattern(), strDate); } catch (ParseException pe) { log.error("Could not convert '" + strDate + "' to a date, throwing exception"); pe.printStackTrace(); throw new ParseException(pe.getMessage(), pe.getErrorOffset()); } return aDate; } private static final SimpleDateFormat mFormat8chars = new SimpleDateFormat( "yyyyMMdd"); private static final SimpleDateFormat mFormatIso8601Day = new SimpleDateFormat( "yyyy-MM-dd"); private static final SimpleDateFormat mFormatZh = new SimpleDateFormat( "yyyy年MM月dd日"); private static final SimpleDateFormat mFormatIso8601 = new SimpleDateFormat( "yyyy-MM-dd'T'HH:mm:ssZ"); private static final SimpleDateFormat mFormatRfc822 = new SimpleDateFormat( "EEE, d MMM yyyy HH:mm:ss z"); /** * Returns a string the represents the passed-in date parsed according to * the passed-in format. Returns an empty string if the date or the format * is null. */ public static String format(Date aDate, SimpleDateFormat aFormat) { if (aDate == null || aFormat == null) { return ""; } return aFormat.format(aDate); } public static String format(Date aDate, String aFormat) { if (aDate == null || aFormat == null) { return ""; } return new SimpleDateFormat(aFormat).format(aDate); } public static String getDefaultDateFormat(Date aDate) { return DateUtil.format(aDate, mFormatIso8601Day); } public static String getTimeFormat(Date aDate) { return DateUtil.format(aDate, mFormatIso8601); } /** * 获取中文格式的日期格式2007年11月08日 * * @param data * @return */ public static String getZhTimeFormat(Date data) { return DateUtil.format(data, mFormatZh); } public static String getDefaultDateFormat(long aDate) { Date date = new Date(); date.set