fr.cnes.genopus.time
Class GPDateUtils

java.lang.Object
  fr.cnes.genopus.time.GPDateUtils

public final class GPDateUtils
extends Object

Class defining some general methods for dates manipulation.

Author:

aadt

Field Summary

static double	DATE_COMPARISON_PRECISION Precision for dates comparison (0.5 nanoseconds).
static int	DAY_MAX_FRAC_DIGITS Number of fractional digits to keep on a number of days for getting nanosecond precision.
static String	DECIMAL_SYMBOL Symbol to be used as decimal separator for dates.
static int	HOUR_MAX_FRAC_DIGITS Number of fractional digits to keep on a number of hours for getting nanosecond precision.
static double	HOURS_2_SECS Hours to seconds multiplier.
static int	MICRO_SEC_MAX_FRAC_DIGITS Number of fractional digits to keep on a number of microseconds for getting nanosecond precision.
static double	MICROSECS_2_SECS Microseconds to seconds multiplier.
static int	MILI_SEC_MAX_FRAC_DIGITS Number of fractional digits to keep on a number of milliseconds for getting nanosecond precision.
static double	MILISECS_2_SECS Milliseconds to seconds multiplier.
static int	MIN_MAX_FRAC_DIGITS Number of fractional digits to keep on a number of minutes for getting nanosecond precision.
static double	MINS_2_SECS Minutes to seconds multiplier.
static String	MINUS_SYMBOL Symbol "minus" for dates.
static int	NANO_SEC_MAX_FRAC_DIGITS Number of fractional digits to keep on a number of nanoseconds for getting nanosecond precision.
static double	NANOSECS_2_SECS Nanoseconds to seconds multiplier.
static int	SEC_MAX_FRAC_DIGITS Number of fractional digits to keep on a number of seconds for getting nanosecond precision.
static String	SUFIX1950 Suffix to indicate that the date's origin is: 01/01/1950 00h00m00s.
static String	SUFIX2000 Suffix to indicate that the date's origin is: 01/01/2000 00h00m00s.

Method Summary

static org.orekit.time.AbsoluteDate	computeDate(org.orekit.time.AbsoluteDate dateOrigin, int jjFromOrigin, double secOfDay, org.orekit.time.TimeScale timeScale) Compute an AbsoluteDate from an origin with an elapsed time given by a number of integer days and the seconds of day in a given time scale.
static String	getFormatedValue(double value, Integer maxIntDigits, Integer minIntDigits, Integer maxFracDigits, Integer minFracDigits) Generation of a decimal formatter to represents decimal numbers with a minimum and a maximum number of digits in the integer part and in the fractional part.
static String	getFormatedValue(double value, int maxFracDigits, int minFracDigits) Generation of a decimal formatter to represents decimal numbers with a minimum and a maximum number of digits.
static int[]	getSubSeconds(double seconds) Get the integer number of seconds, milliseconds, microseconds, and nanoseconds of a given real number of seconds.
static void	isWithinLimits(org.orekit.time.AbsoluteDate date) Checks if a date is within the limits defined to allow calendar representation.
static void	isWithinLimits(org.orekit.time.AbsoluteDate dateOrigin, double secsFromOrigin, org.orekit.time.TimeScale timeScale) Checks if a date is within the limits defined to allow calendar representation.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

DATE_COMPARISON_PRECISION

public static final double DATE_COMPARISON_PRECISION

Precision for dates comparison (0.5 nanoseconds).

See Also:

Constant Field Values

NANOSECS_2_SECS

public static final double NANOSECS_2_SECS

Nanoseconds to seconds multiplier.

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Constant Field Values

MICROSECS_2_SECS

public static final double MICROSECS_2_SECS

Microseconds to seconds multiplier.

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Constant Field Values

MILISECS_2_SECS

public static final double MILISECS_2_SECS

Milliseconds to seconds multiplier.

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Constant Field Values

MINS_2_SECS

public static final double MINS_2_SECS

Minutes to seconds multiplier.

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Constant Field Values

HOURS_2_SECS

public static final double HOURS_2_SECS

Hours to seconds multiplier.

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Constant Field Values

NANO_SEC_MAX_FRAC_DIGITS

public static final int NANO_SEC_MAX_FRAC_DIGITS

Number of fractional digits to keep on a number of nanoseconds for getting nanosecond precision.

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Constant Field Values

MICRO_SEC_MAX_FRAC_DIGITS

public static final int MICRO_SEC_MAX_FRAC_DIGITS

Number of fractional digits to keep on a number of microseconds for getting nanosecond precision.

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Constant Field Values

MILI_SEC_MAX_FRAC_DIGITS

public static final int MILI_SEC_MAX_FRAC_DIGITS

Number of fractional digits to keep on a number of milliseconds for getting nanosecond precision.

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Constant Field Values

SEC_MAX_FRAC_DIGITS

public static final int SEC_MAX_FRAC_DIGITS

Number of fractional digits to keep on a number of seconds for getting nanosecond precision.

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Constant Field Values

MIN_MAX_FRAC_DIGITS

public static final int MIN_MAX_FRAC_DIGITS

Number of fractional digits to keep on a number of minutes for getting nanosecond precision.

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Constant Field Values

HOUR_MAX_FRAC_DIGITS

public static final int HOUR_MAX_FRAC_DIGITS

Number of fractional digits to keep on a number of hours for getting nanosecond precision.

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Constant Field Values

DAY_MAX_FRAC_DIGITS

public static final int DAY_MAX_FRAC_DIGITS

Number of fractional digits to keep on a number of days for getting nanosecond precision.

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Constant Field Values

SUFIX2000

public static final String SUFIX2000

Suffix to indicate that the date's origin is: 01/01/2000 00h00m00s.

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Constant Field Values

SUFIX1950

public static final String SUFIX1950

Suffix to indicate that the date's origin is: 01/01/1950 00h00m00s.

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Constant Field Values

MINUS_SYMBOL

public static final String MINUS_SYMBOL

Symbol "minus" for dates.

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Constant Field Values

DECIMAL_SYMBOL

public static final String DECIMAL_SYMBOL

Symbol to be used as decimal separator for dates.

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Constant Field Values

Method Detail

computeDate

public static org.orekit.time.AbsoluteDate computeDate(org.orekit.time.AbsoluteDate dateOrigin,
                                                       int jjFromOrigin,
                                                       double secOfDay,
                                                       org.orekit.time.TimeScale timeScale)
                                                throws GPDateException

Compute an AbsoluteDate from an origin with an elapsed time given by a number of integer days and the seconds of day in a given time scale.

Parameters:

dateOrigin - origin of date

jjFromOrigin - integer number of julian days from the origin

secOfDay - real number of seconds of day

timeScale - time scale

Returns:

the AbsoluteDate computed

Throws:

GPDateException - if the date is out of range for calendar representation

isWithinLimits

public static void isWithinLimits(org.orekit.time.AbsoluteDate date)
                           throws GPDateException

Checks if a date is within the limits defined to allow calendar representation. From s_minDate to s_maxDate.

Parameters:

date - to be tested against the date validity interval.

Throws:

GPDateException - if the date if out of range.

isWithinLimits

public static void isWithinLimits(org.orekit.time.AbsoluteDate dateOrigin,
                                  double secsFromOrigin,
                                  org.orekit.time.TimeScale timeScale)
                           throws GPDateException

Checks if a date is within the limits defined to allow calendar representation. From s_minDate to s_maxDate. The date is defined by an origin and an offset in seconds in a given time scale.

Parameters:

dateOrigin - origin date of the date to be tested against the date validity interval.

secsFromOrigin - offset from dateOrigin to the date to be tested.

timeScale - in which the secsFromOrigin offset is given

Throws:

GPDateException - if the date if out of range.

getSubSeconds

public static int[] getSubSeconds(double seconds)

Get the integer number of seconds, milliseconds, microseconds, and nanoseconds of a given real number of seconds.

Parameters:

seconds - the real number of seconds

Returns:

the integer number of seconds, milliseconds, microseconds, and nanoseconds

getFormatedValue

public static String getFormatedValue(double value,
                                      int maxFracDigits,
                                      int minFracDigits)

Generation of a decimal formatter to represents decimal numbers with a minimum and a maximum number of digits.

Parameters:

value - the value to format.

maxFracDigits - maximum number of fractional digits

minFracDigits - minimum number of fractional digits

Returns:

the decimal formatter

getFormatedValue

public static String getFormatedValue(double value,
                                      Integer maxIntDigits,
                                      Integer minIntDigits,
                                      Integer maxFracDigits,
                                      Integer minFracDigits)

Generation of a decimal formatter to represents decimal numbers with a minimum and a maximum number of digits in the integer part and in the fractional part.

Parameters:

value - the value to format.

maxIntDigits - maximum number of digits for the integer part

minIntDigits - minimum number of digits for the integer part

maxFracDigits - maximum number of digits for the fractional part

minFracDigits - minimum number of digits for the fractional part

Returns:

the decimal formatter