Collection of useful utilities to work with dates
/*
* Copyright (c) 2003 - 2007 OpenSubsystems s.r.o. Slovak Republic. All rights reserved.
*
* Project: OpenSubsystems
*
* $Id: DateUtils.java,v 1.7 2007/01/07 06:14:00 bastafidli Exp $
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
import java.sql.Timestamp;
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
/**
* Collection of useful utilities to work with dates.
*
* @version $Id: DateUtils.java,v 1.7 2007/01/07 06:14:00 bastafidli Exp $
* @author Miro Halas
* @code.reviewer Miro Halas
* @code.reviewed 1.5 2005/09/13 13:23:15 bastafidli
*/
public final class DateUtils
{
// Constants ////////////////////////////////////////////////////////////////
/**
* One second in milliseconds.
*/
public static final long ONE_SECOND = 1000L;
/**
* One minute in milliseconds.
*/
public static final long ONE_MINUTE = ONE_SECOND * 60L;
/**
* One hour in milliseconds.
*/
public static final long ONE_HOUR = ONE_MINUTE * 60L;
/**
* One day in milliseconds.
*/
public static final long ONE_DAY = ONE_HOUR * 24L;
/**
* Separator we used to separate time from the nanosecond portion of the
* timestamp when converted to string.
*/
public static final char NANO_SEPARATOR = ':';
/**
* Constant for timing type
*/
public static final int TIMING_NEVER = 0;
/**
* Constant for timing type
*/
public static final int TIMING_MINUTES = 1;
/**
* Constant for timing type
*/
public static final int TIMING_HOURS = 2;
/**
* Constant for timing type
*/
public static final int TIMING_DAYS = 3;
/**
* Constant for timing type
*/
public static final int TIMING_WEEKS = 4;
/**
* Constant for timing type
*/
public static final int TIMING_MONTHS = 5;
/**
* Constant for timing type
*/
public static final int TIMING_YEARS = 6;
/**
* Constant for timing type
*/
public static final int TIMING_NONE = 7;
/**
* Constant for current date code used in date/time formulas
*/
public static final String CURRENT_DATE_CODE = "now";
/**
* Constant for dynamic date code used in date/time formulas
*/
public static final char YEAR_CODE = 'y';
/**
* Constant for dynamic date code used in date/time formulas
*/
public static final char MONTH_CODE = 'M';
/**
* Constant for dynamic date code used in date/time formulas
*/
public static final char WEEK_CODE = 'w';
/**
* Constant for dynamic date code used in date/time formulas
*/
public static final char DAY_CODE = 'd';
/**
* Constant for dynamic date code used in date/time formulas
*/
public static final char HOUR_CODE = 'h';
/**
* Constant for dynamic date code used in date/time formulas
*/
public static final char MINUTE_CODE = 'm';
/**
* Constant for dynamic date code used in date/time formulas
*/
public static final char SECOND_CODE = 's';
/**
* constant for date type DATE
*/
public static final int DATE_TYPE_DATE = 1;
/**
* constant for date type TIME
*/
public static final int DATE_TYPE_TIME = 2;
/**
* constant for date type DATETIME
*/
public static final int DATE_TYPE_DATETIME = 3;
// Constants for period start types /////////////////////////////////////////
// TODO: For Miro: Remove this code once all the code which referred to these
// constants was fixed
// /**
// * constant for period type
// */
// public static final int PERIOD_START_TYPE_NONE = 0;
//
// /**
// * constant for period type
// */
// public static final int PERIOD_START_TYPE_CREATION = 1;
//
// /**
// * constant for period type
// */
// public static final int PERIOD_START_TYPE_COMPLETION = 2;
//
// /**
// * constant for period type
// */
// public static final int PERIOD_START_TYPE_APPROVAL = 3;
//
// /**
// * constant for period type
// */
// public static final int PERIOD_START_TYPE_ACTIVATION = 4;
//
// /**
// * constant for period type
// */
// public static final int PERIOD_START_TYPE_INACTIVATION = 5;
//
// /**
// * constant for period type
// */
// public static final int PERIOD_START_TYPE_DYNAMIC = 6;
//
// /**
// * constant for period type code
// */
// public static final int PERIOD_TYPE_CODE = 99;
//
// /**
// * constant for period type object
// */
// public static final Integer PERIOD_TYPE_OBJ = new Integer(PERIOD_TYPE_CODE);
// Cached variables /////////////////////////////////////////////////////////
/**
* static SimpleDateFormat for date format to display on UI and in messages.
*/
public static final SimpleDateFormat DATE_FORMAT
= (SimpleDateFormat) DateFormat.getDateInstance(DateFormat.SHORT);
/**
* static SimpleDateFormat for time format to display on UI and in messages.
*/
public static final SimpleDateFormat TIME_FORMAT
= (SimpleDateFormat) DateFormat.getTimeInstance(DateFormat.MEDIUM);
/**
* static SimpleDateFormat for datetime format to display on UI and in messages.
*/
public static final SimpleDateFormat DATETIME_FORMAT
= (SimpleDateFormat) DateFormat.getDateTimeInstance(DateFormat.SHORT,
DateFormat.MEDIUM);
/**
* static SimpleDateFormat for date format to store date as string so that
* it is stored consistently.
*/
public static final SimpleDateFormat DATE_STORE_FORMAT
= new SimpleDateFormat("MM/dd/yyyy");
/**
* static SimpleDateFormat for time format to store time as string so that
* it is stored consistently.
*/
public static final SimpleDateFormat TIME_STORE_FORMAT
= new SimpleDateFormat("HH:mm:ss");
/**
* static SimpleDateFormat for datetime format to store date and time as
* string so that it is stored consistently.
*/
public static final SimpleDateFormat DATETIME_STORE_FORMAT
= new SimpleDateFormat("MM/dd/yyyy HH:mm:ss");
/**
* static SimpleDateFormat for date format for sql date
*/
public static final SimpleDateFormat DATE_SQL_FORMAT
= new SimpleDateFormat("yyyy-MM-dd 00:00:00");
/**
* static SimpleDateFormat for time format for sql time
*/
public static final SimpleDateFormat TIME_SQL_FORMAT
= new SimpleDateFormat("1970-01-01 HH:mm:ss");
/**
* static SimpleDateFormat for datetime format for sql date and time
*/
public static final SimpleDateFormat DATETIME_SQL_FORMAT
= new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
// Constructors /////////////////////////////////////////////////////////////
/**
* Private constructor since this class cannot be instantiated
*/
private DateUtils(
)
{
// Do nothing
}
// Public methods ///////////////////////////////////////////////////////////
/**
* Check if two dates equals regardless of the time. Two null dates are equal.
* Null and not null dates are not equal.
*
* @param dtFirst - first date to compare, can be null
* @param dtSecond - second date to compare, can be null
* @return boolean - true if two dates equals regardless of what the time is
*/
public static boolean dateEquals(
Date dtFirst,
Date dtSecond
)
{
boolean bReturn = false;
// If they are the same object, they are equals
bReturn = (dtFirst == dtSecond);
if (!bReturn)
{
if (dtFirst == null)
{
// Two null dates are the same
bReturn = (dtSecond == null);
}
else
{
if (dtSecond != null)
{
Calendar compCalendar;
int iEra;
int iYear;
int iMonth;
int iDay;
compCalendar = Calendar.getInstance();
compCalendar.setTime(dtFirst);
iEra = compCalendar.get(Calendar.ERA);
iYear = compCalendar.get(Calendar.YEAR);
iMonth = compCalendar.get(Calendar.MONTH);
iDay = compCalendar.get(Calendar.DATE);
compCalendar.setTime(dtSecond);
bReturn = ((iEra == compCalendar.get(Calendar.ERA))
&& (iYear == compCalendar.get(Calendar.YEAR))
&& (iMonth == compCalendar.get(Calendar.MONTH))
&& (iDay == compCalendar.get(Calendar.DATE)));
}
}
}
return bReturn;
}
/**
* Check if two times equals regardless of the date. Two null times are equal.
* Null and not null times are not equal.
*
* @param dtFirst - first time to compare, can be null
* @param dtSecond - second time to compare, can be null
* @param bIgnoreMilliseconds - if true milliseconds will be ignored in comparison
* @return boolean - true if two time equals regardless of what the date is
*/
public static boolean timeEquals(
Date dtFirst,
Date dtSecond,
boolean bIgnoreMilliseconds
)
{
boolean bReturn = false;
// If they are the same object, they are equals
bReturn = (dtFirst == dtSecond);
if (!bReturn)
{
if (dtFirst == null)
{
// Two null dates are the same
bReturn = (dtSecond == null);
}
else
{
if (dtSecond != null)
{
Calendar compCalendar;
int iHour;
int iMinute;
int iSecond;
int iMili;
compCalendar = Calendar.getInstance();
compCalendar.setTime(dtFirst);
iHour = compCalendar.get(Calendar.HOUR_OF_DAY);
iMinute = compCalendar.get(Calendar.MINUTE);
iSecond = compCalendar.get(Calendar.SECOND);
iMili = compCalendar.get(Calendar.MILLISECOND);
compCalendar.setTime(dtSecond);
bReturn = ((iHour == compCalendar.get(Calendar.HOUR_OF_DAY))
&& (iMinute == compCalendar.get(Calendar.MINUTE))
&& (iSecond == compCalendar.get(Calendar.SECOND))
&& ((bIgnoreMilliseconds)
|| (iMili == compCalendar.get(Calendar.MILLISECOND))));
}
}
}
return bReturn;
}
/**
* Check if two dates and times are equal. Two null dates are equal. Null
* and not null dates are not equal.
*
* @param dtFirst - first date time to compare, can be null
* @param dtSecond - second date time to compare, can be null
* @return boolean - true if two date and times are equal
*/
public static boolean dateAndTimeEquals(
Date dtFirst,
Date dtSecond
)
{
boolean bReturn = false;
// If they are the same object, they are equals
bReturn = (dtFirst == dtSecond);
if (!bReturn)
{
if (dtFirst == null)
{
// Two null dates are the same
bReturn = (dtSecond == null);
}
else
{
if (dtSecond != null)
{
// They are both not null so they have to match to millisecond
// (actually to nanosecond since the getTime takes nanoseconds
// into account)
bReturn = (dtFirst.getTime() == dtSecond.getTime());
}
}
}
return bReturn;
}
/**
* Check if String representing date is function or date. Date is a function
* (formula) if it starts with the current date/time variable which can be
* followed by expression describing period from current date.
*
* @param strValue - string representation of date or date function
* @return boolean - date function flag
*/
public static boolean isFunction(
String strValue
)
{
boolean bReturn = false;
if ((strValue != null) && (strValue.length() > 0)
&& (strValue.trim().startsWith(CURRENT_DATE_CODE)))
{
bReturn = true;
}
return bReturn;
}
/**
* Parse date time value from given string resolving any functions or formulas
* the string can contain. This method can be therefore used if the passed
* string contains string representation date, time or timestamp or a formula
* such as now + 3h - 1m + 4d.
*
* @param strValue - string representation of date or date function
* @param iDateType - date type code, one of the DATE_TYPE_XXX constants
* @param stored - flag if Date should be parsed using format used for
* storage or for display
* @return Timestamp - parsed date or null if date was null
* @throws OSSInvalidDataException - error during parsing
*/
public static Timestamp parseDateTime(
String strValue,
int iDateType,
boolean stored
) throws Exception
{
Timestamp tsReturn = null;
Calendar workCal = GregorianCalendar.getInstance();
if (strValue != null && strValue.length() > 0)
{
strValue = strValue.trim();
if (strValue.startsWith(CURRENT_DATE_CODE))
{
strValue = strValue.replaceAll("[ ]", "");
// If the user specified "UseCurrent", then substitute the
// current date/time in the value
workCal.setTime(new Date());
// Log.getInstance().debug("Parsing current date " + strValue);
// Parse the date math
int iBeginIndex = CURRENT_DATE_CODE.length();
int iMaxLength = strValue.length();
int iSign = 1;
int iNumberIndex;
int iValue;
char cChar = ' ';
while (iBeginIndex < iMaxLength)
{
// This has to be sign
if (strValue.charAt(iBeginIndex) == '+')
{
iSign = 1;
}
else if (strValue.charAt(iBeginIndex) == '-')
{
iSign = -1;
}
else
{
// Incorrect String
throw new Exception(
"Date function is in incorrect format: "
+ strValue + " at " + strValue.substring(iBeginIndex));
}
iBeginIndex++;
// Now we have to have number
iNumberIndex = iBeginIndex;
while (((iBeginIndex == iNumberIndex) || Character.isDigit(cChar))
&& (iBeginIndex < iMaxLength))
{
cChar = strValue.charAt(iBeginIndex++);
}
// We have to go one back because we should stop on modifier (e.g 1m)
iBeginIndex--;
try
{
iValue = Integer.parseInt(strValue.substring(iNumberIndex, iBeginIndex));
}
catch (NumberFormatException nmeExc)
{
// Incorrect String
throw new Exception(
"Date function is in incorrect format: "
+ strValue + " at " + strValue.substring(iNumberIndex));
}
// This has to be modifier: y - year, M - month, w - week,
// d - day, h - hour, m - minute, s - second
cChar = strValue.charAt(iBeginIndex);
switch(cChar)
{
case(YEAR_CODE):
{
if (iDateType == DATE_TYPE_TIME)
{
throw new Exception(
"Date function is in incorrect format: " +
"used YEAR modifier for TIME type");
}
workCal.add(Calendar.YEAR, iSign * iValue);
break;
}
case(MONTH_CODE):
{
if (iDateType == DATE_TYPE_TIME)
{
throw new Exception(
"Date function is in incorrect format: " +
"used MONTH modifier for TIME type");
}
workCal.add(Calendar.MONTH, iSign * iValue);
break;
}
case(WEEK_CODE):
{
if (iDateType == DATE_TYPE_TIME)
{
throw new Exception(
"Date function is in incorrect format: " +
"used WEEK modifier for TIME type");
}
workCal.add(Calendar.WEEK_OF_YEAR, iSign * iValue);
break;
}
case(DAY_CODE):
{
if (iDateType == DATE_TYPE_TIME)
{
throw new Exception(
"Date function is in incorrect format: " +
"used DAY modifier for TIME type");
}
workCal.add(Calendar.DATE, iSign * iValue);
break;
}
case(HOUR_CODE):
{
if (iDateType == DATE_TYPE_DATE)
{
throw new Exception(
"Date function is in incorrect format: " +
"used HOUR modifier for DATE type");
}
workCal.add(Calendar.HOUR, iSign * iValue);
break;
}
case(MINUTE_CODE):
{
if (iDateType == DATE_TYPE_DATE)
{
throw new Exception(
"Date function is in incorrect format: " +
"used MINUTE modifier for DATE type");
}
workCal.add(Calendar.MINUTE, iSign * iValue);
break;
}
case(SECOND_CODE):
{
if (iDateType == DATE_TYPE_DATE)
{
throw new Exception(
"Date function is in incorrect format: " +
"used SECOND modifier for DATE type");
}
workCal.add(Calendar.SECOND, iSign * iValue);
break;
}
default:
{
// Incorrect String
throw new Exception(
"Date function is in incorrect format: "
+ strValue + " at " + strValue.substring(iBeginIndex));
}
}
iBeginIndex++;
}
tsReturn = new Timestamp(workCal.getTimeInMillis());
}
else
{
try
{
if (stored)
{
switch (iDateType)
{
case (DATE_TYPE_DATE) :
{
tsReturn = new Timestamp(DATE_STORE_FORMAT.parse(strValue).getTime());
break;
}
case (DATE_TYPE_TIME) :
{
tsReturn = new Timestamp(TIME_STORE_FORMAT.parse(strValue).getTime());
break;
}
case (DATE_TYPE_DATETIME) :
{
tsReturn = new Timestamp(DATETIME_STORE_FORMAT.parse(strValue).getTime());
break;
}
default:
{
assert false : "Unknown date type " + iDateType;
}
}
}
else
{
switch (iDateType)
{
case (DATE_TYPE_DATE) :
{
tsReturn = new Timestamp(DATE_FORMAT.parse(strValue).getTime());
break;
}
case (DATE_TYPE_TIME) :
{
tsReturn = new Timestamp(TIME_FORMAT.parse(strValue).getTime());
break;
}
case (DATE_TYPE_DATETIME) :
{
tsReturn = new Timestamp(DATETIME_FORMAT.parse(strValue).getTime());
break;
}
default:
{
assert false : "Unknown date type " + iDateType;
}
}
}
}
catch (ParseException peExc)
{
throw new Exception(
"Date is in incorrect format. Problems with parsing.",
peExc);
}
}
}
return tsReturn;
}
/**
* Parse the specified period into string displaying number of days the
* period represents.
*
* @param lPeriod - period in miliseconds
* @return String - period in format 'x day(s)' or '' if not valid period
*/
public static String parseDayPeriod(
long lPeriod
)
{
StringBuffer sbReturn = new StringBuffer();
long lDays = 0L;
if (lPeriod > 0)
{
// we will count each started day as counted day
lPeriod = lPeriod + DateUtils.ONE_DAY - 1;
lDays = lPeriod / DateUtils.ONE_DAY;
sbReturn.append(lDays);
if (lDays == 1L)
{
sbReturn.append(" day");
}
else
{
sbReturn.append(" days");
}
}
else
{
sbReturn.append("0 days");
}
return sbReturn.toString();
}
/**
* Parse the specified period into string displaying date and time the
* period represents.
*
* @param lPeriod - preiod in miliseconds
* @return String - period in format 'x day(s) y hour(s) z minute(s)'
* or '' if not valid period
*/
public static String parseDayTimePeriod(
long lPeriod
)
{
StringBuffer sbReturn = new StringBuffer();
long lHelp = 0L;
if (lPeriod > 0)
{
lPeriod = lPeriod + DateUtils.ONE_MINUTE - 1;
// we will count each started day as counted day
lHelp = lPeriod / DateUtils.ONE_DAY;
if (lHelp > 0)
{
sbReturn.append(lHelp);
if (lHelp == 1L)
{
sbReturn.append(" d ");
}
else
{
sbReturn.append(" d ");
}
}
lPeriod = lPeriod % DateUtils.ONE_DAY;
lHelp = lPeriod / DateUtils.ONE_HOUR;
if (lHelp > 0 || sbReturn.length() > 0)
{
sbReturn.append(lHelp);
if (lHelp == 1L)
{
sbReturn.append(" h ");
}
else
{
sbReturn.append(" h ");
}
}
lPeriod = lPeriod % DateUtils.ONE_HOUR;
lHelp = lPeriod / DateUtils.ONE_MINUTE;
if (lHelp > 0 || sbReturn.length() > 0)
{
sbReturn.append(lHelp);
if (lHelp == 1L)
{
sbReturn.append(" min");
}
else
{
sbReturn.append(" min");
}
}
}
else
{
sbReturn.append("0 min");
}
return sbReturn.toString();
}
// TODO: For Miro: Remove this code once all the code which referred to these
// was fixed. These should be moved to a GUI related class.
// /**
// * Method for list of timing types.
// *
// * @return List - list of timing types
// */
// public static List getTimingTypes(
// )
// {
// List lstTimingTypes = new ArrayList();
//
// lstTimingTypes.add(new SelectOption(Integer.toString(DateUtils.TIMING_MINUTES),
// "Minute(s)"));
// lstTimingTypes.add(new SelectOption(Integer.toString(DateUtils.TIMING_HOURS), "Hour(s)"));
// lstTimingTypes.add(new SelectOption(Integer.toString(DateUtils.TIMING_DAYS), "Day(s)"));
// lstTimingTypes.add(new SelectOption(Integer.toString(DateUtils.TIMING_WEEKS), "Week(s)"));
// lstTimingTypes.add(new SelectOption(Integer.toString(DateUtils.TIMING_MONTHS), "Month(s)"));
// lstTimingTypes.add(new SelectOption(Integer.toString(DateUtils.TIMING_YEARS), "Year(s)"));
// lstTimingTypes.add(new SelectOption(Integer.toString(DateUtils.TIMING_NEVER), "Never"));
//
// return lstTimingTypes;
// }
// /**
// * Method for list of timing types with None option.
// *
// * @return List - list of timing types
// */
// public static List getTimingTypesWithNone(
// )
// {
// List lstTimingTypes = new ArrayList();
//
// lstTimingTypes.add(new SelectOption(Integer.toString(DateUtils.TIMING_NONE), "None"));
// lstTimingTypes.add(new SelectOption(Integer.toString(DateUtils.TIMING_MINUTES),
// "Minute(s)"));
// lstTimingTypes.add(new SelectOption(Integer.toString(DateUtils.TIMING_HOURS), "Hour(s)"));
// lstTimingTypes.add(new SelectOption(Integer.toString(DateUtils.TIMING_DAYS), "Day(s)"));
// lstTimingTypes.add(new SelectOption(Integer.toString(DateUtils.TIMING_WEEKS), "Week(s)"));
// lstTimingTypes.add(new SelectOption(Integer.toString(DateUtils.TIMING_MONTHS), "Month(s)"));
// lstTimingTypes.add(new SelectOption(Integer.toString(DateUtils.TIMING_YEARS), "Year(s)"));
// lstTimingTypes.add(new SelectOption(Integer.toString(DateUtils.TIMING_NEVER), "Never"));
//
// return lstTimingTypes;
// }
// /**
// * Method for getting string name of the timing type.
// *
// * @param iTimingType - timing type constant
// * @return String - string name of timing type
// */
// public static String getTimingTypeName(
// int iTimingType
// )
// {
// String outTimingTypeName = "Never";
// switch (iTimingType)
// {
// case (DateUtils.TIMING_NEVER):
// {
// outTimingTypeName = "Never";
// break;
// }
// case (DateUtils.TIMING_MINUTES):
// {
// outTimingTypeName = "Minute(s)";
// break;
// }
// case (DateUtils.TIMING_HOURS):
// {
// outTimingTypeName = "Hour(s)";
// break;
// }
// case (DateUtils.TIMING_DAYS):
// {
// outTimingTypeName = "Day(s)";
// break;
// }
// case (DateUtils.TIMING_WEEKS):
// {
// outTimingTypeName = "Week(s)";
// break;
// }
// case (DateUtils.TIMING_MONTHS):
// {
// outTimingTypeName = "Month(s)";
// break;
// }
// case (DateUtils.TIMING_YEARS):
// {
// outTimingTypeName = "Year(s)";
// break;
// }
// case (DateUtils.TIMING_NONE):
// {
// outTimingTypeName = "None";
// break;
// }
// }
//
// return outTimingTypeName;
// }
/**
* Get expiration timestamp from start date, period type and duration. For
* example if the start date is now, period type is hour and duration is 2
* then the result will be timestamp representing now + 2 hours.
*
* @param tsStartDate - start date of period counting
* @param iPeriodType - one of the period type constant TIMING_XXX
* @param iPeriodDuration - period duration, number of time units specified
* by period type
* @return Timestamp - date of period expiration or null if any problem
*/
public static Timestamp getPeriodExpiration(
Timestamp tsStartDate,
int iPeriodType,
int iPeriodDuration
)
{
Timestamp tsReturn = null;
Calendar calHelp;
if (tsStartDate != null && iPeriodDuration > 0
&& iPeriodType > TIMING_NEVER && iPeriodType < TIMING_NONE)
{
calHelp = Calendar.getInstance();
calHelp.setTime(tsStartDate);
switch (iPeriodType)
{
case (TIMING_MINUTES) :
{
calHelp.add(Calendar.MINUTE, iPeriodDuration);
break;
}
case (TIMING_HOURS) :
{
calHelp.add(Calendar.HOUR, iPeriodDuration);
break;
}
case (TIMING_DAYS) :
{
calHelp.add(Calendar.DATE, iPeriodDuration);
break;
}
case (TIMING_WEEKS) :
{
calHelp.add(Calendar.WEEK_OF_YEAR, iPeriodDuration);
break;
}
case (TIMING_MONTHS) :
{
calHelp.add(Calendar.MONTH, iPeriodDuration);
break;
}
case (TIMING_YEARS) :
{
calHelp.add(Calendar.YEAR, iPeriodDuration);
break;
}
default :
{
assert false : "Not supported Timing type " + iPeriodType;
}
}
tsReturn = new Timestamp(calHelp.getTimeInMillis());
}
return tsReturn;
}
/**
* Method to compare time periods
*
* @param iPeriodType1 - first period type, one of the period type constant
* TIMING_XXX
* @param iPeriodDuration1 - first period duration
* @param iPeriodType2 - second period type, one of the period type constant
* TIMING_XXX
* @param iPeriodDuration2 - second period duration
* @return int - 1 - first period is longer
* 0 - periods are same
* -1 - first period is shorter
*/
public static int comparePeriods(
int iPeriodType1,
int iPeriodDuration1,
int iPeriodType2,
int iPeriodDuration2
)
{
int iReturn = 0;
if ((iPeriodType1 != TIMING_NEVER) && (iPeriodType1 != TIMING_NONE)
&& (iPeriodType2 != TIMING_NEVER) && (iPeriodType2 != TIMING_NONE))
{
Timestamp tsTimestamp1 = getPeriodExpiration(
new Timestamp(0), iPeriodType1, iPeriodDuration1);
Timestamp tsTimestamp2 = getPeriodExpiration(
new Timestamp(0), iPeriodType2, iPeriodDuration2);
// TODO: Improve: When would any of these be null?
if ((tsTimestamp1 != null) && (tsTimestamp2 != null))
{
if (tsTimestamp1.after(tsTimestamp2))
{
iReturn = 1;
}
else if (tsTimestamp2.after(tsTimestamp1))
{
iReturn = -1;
}
}
}
else
{
if (iPeriodType1 != iPeriodType2)
{
if (iPeriodType1 == TIMING_NEVER)
{
iReturn = 1;
}
else if (iPeriodType1 == TIMING_NONE)
{
iReturn = -1;
}
else if (iPeriodType2 == TIMING_NEVER)
{
iReturn = -1;
}
else if (iPeriodType2 == TIMING_NONE)
{
iReturn = 1;
}
}
}
return iReturn;
}
/**
* Convert timestamp to string including it's nanosecond portion so that it
* can be safely stored in variable of web page.
*
* @param tsTimestamp - timestamp to convert
* @return String - text containing time and nanosecond portion of timestamp
*/
public static String getTimestampAsString(
Timestamp tsTimestamp
)
{
StringBuffer sbTimestamp = new StringBuffer();
sbTimestamp.append(tsTimestamp.getTime());
sbTimestamp.append(NANO_SEPARATOR);
sbTimestamp.append(tsTimestamp.getNanos());
return sbTimestamp.toString();
}
/**
* Convert string to timestamp including if available it's nanosecond portion
* so that it can be safely restored from variable in web page.
*
* @param strTimestamp - timestamp to convert
* @return Timestamp - restored timestamp
* @throws NumberFormatException - problem parsing the string
*/
public static Timestamp parseTimestamp(
String strTimestamp
) throws NumberFormatException
{
long lTime;
int iNanos;
if ("0".equals(strTimestamp))
{
lTime = 0L;
iNanos = 0;
}
else
{
int iIndex;
iIndex = strTimestamp.indexOf(NANO_SEPARATOR);
if (iIndex == -1)
{
throw new NumberFormatException(
"The timestamp string doesn't contain nanosecond separator: "
+ strTimestamp);
}
lTime = Long.parseLong(strTimestamp.substring(0, iIndex));
iNanos = Integer.parseInt(strTimestamp.substring(iIndex + 1));
}
return new TimestampCopy(lTime, iNanos);
}
/**
* Function returns time string in the form MM:SS.MS from the input specified in miliseconds.
*
* @param lTimeInMiliseconds - time in miliseconds
* @return String - string representation of miliseconds in the form MM:SS.MS
*/
public static String getStringTime(
long lTimeInMiliseconds
)
{
long lTotalMS = lTimeInMiliseconds;
long lMS = lTotalMS % 1000;
long lTotalSecs = lTotalMS / 1000;
long lSecs = lTotalSecs % 60;
long lTotalMins = lTotalSecs / 60;
long lMinutes = lTotalMins % 60;
long lHours = lTotalMins / 60;
StringBuffer sbBuffer = new StringBuffer();
if (lHours > 0)
{
sbBuffer.append(lHours);
sbBuffer.append(":");
sbBuffer.append(lMinutes);
sbBuffer.append(":");
sbBuffer.append(lSecs);
sbBuffer.append(".");
sbBuffer.append(lMS);
}
else if (lMinutes > 0)
{
sbBuffer.append(lMinutes);
sbBuffer.append(":");
sbBuffer.append(lSecs);
sbBuffer.append(".");
sbBuffer.append(lMS);
}
else if (lSecs > 0)
{
sbBuffer.append(lSecs);
sbBuffer.append(".");
sbBuffer.append(lMS);
sbBuffer.append(" seconds");
}
else
{
sbBuffer.append(lMS);
sbBuffer.append(" ms");
}
return sbBuffer.toString();
}
// TODO: For Miro: Remove this code once all the code which referred to these
// was fixed. These should be moved to a GUI or business logic related class.
// /**
// * Method to check if valid period settings
// *
// * @param iPeriod - period length
// * @param iPeriodType - period type
// * @param iPeriodStartType - period start type
// * @param iAttributeId - attribute ID for dynamic period start type
// * @param bPeriodException - period exception flag
// * @param strPeriodName - period name used for exception message
// * @param bAdvancePeriodType - flag if advanced period type (includes also start type)
// * @param bfideException - invalid data exception
// */
// public static void validatePeriod(
// int iPeriod,
// int iPeriodType,
// int iPeriodStartType,
// int iAttributeId,
// boolean bPeriodException,
// String strPeriodName,
// boolean bAdvancePeriodType,
// OSSInvalidDataException messageException
// )
// {
// if ((iPeriod > 0)
// || ((iPeriodType != TIMING_NONE) && (iPeriodType != TIMING_NEVER))
// || (bPeriodException) || (iPeriodStartType != PERIOD_START_TYPE_NONE))
// {
// if (iPeriod <= 0)
// {
// if (messageException == null)
// {
// messageException = new OSSInvalidDataException();
// }
// messageException.getErrorMessages().addMessage(
// PERIOD_TYPE_OBJ,
// "You have to set valid period length for " + strPeriodName + " type."
// );
// }
// else if ((iPeriodType == TIMING_NONE) || (iPeriodType == TIMING_NEVER))
// {
// if (messageException == null)
// {
// messageException = new OSSInvalidDataException();
// }
// messageException.getErrorMessages().addMessage(
// PERIOD_TYPE_OBJ,
// "You have to set valid period type for " + strPeriodName + " type."
// );
// }
// else if ((bAdvancePeriodType) && (iPeriodStartType == PERIOD_START_TYPE_NONE))
// {
// if (messageException == null)
// {
// messageException = new OSSInvalidDataException();
// }
// messageException.getErrorMessages().addMessage(
// PERIOD_TYPE_OBJ,
// "You have to set valid period start type for " + strPeriodName + " type."
// );
// }
// else if ((bAdvancePeriodType)
// && (iPeriodStartType == PERIOD_START_TYPE_DYNAMIC)
// && (iAttributeId == DataObject.NEW_ID))
// {
// if (messageException == null)
// {
// messageException = new OSSInvalidDataException();
// }
// messageException.getErrorMessages().addMessage(
// PERIOD_TYPE_OBJ,
// "You have to set valid period dynamic start attribute for "
// + strPeriodName + " type."
// );
// }
// }
// }
}
/*
* Copyright (c) 2003 - 2007 OpenSubsystems s.r.o. Slovak Republic. All rights reserved.
*
* Project: OpenSubsystems
*
* $Id: TimestampCopy.java,v 1.5 2007/01/07 06:14:01 bastafidli Exp $
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/**
* Timestamp which adds copy constructor which correctly copies nanosecond
* portion of the original timestamp.
*
* @version $Id: TimestampCopy.java,v 1.5 2007/01/07 06:14:01 bastafidli Exp $
* @author Miro Halas
* @code.reviewer Miro Halas
* @code.reviewed 1.3 2006/02/17 06:54:53 bastafidli
*/
class TimestampCopy extends Timestamp
{
// Attributes ///////////////////////////////////////////////////////////////
/**
* Generated serial version id for this class.
*/
private static final long serialVersionUID = 135570135998694876L;
// Constructors /////////////////////////////////////////////////////////////
/**
* Copy constructor which will create exact copy of the timestamp including
* the nanosecond portion.
*
* @param original - original timestamp to copy
*/
public TimestampCopy(
Timestamp original
)
{
// Pass the time portion here
super(original.getTime());
// And now set the correct nanoseconds since it is required.
setNanos(original.getNanos());
}
/**
* Constructor which will create exact copy of the timestamp including
* the nanosecond portion.
*
* @param lTime - time portion of the timestamp
* @param iNanos - nanosecond portion of the timestamp
*/
public TimestampCopy(
long lTime,
int iNanos
)
{
// Pass the time portion here
super(lTime);
// And now set the correct nanoseconds since it is required.
setNanos(iNanos);
}
}
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