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java.lang.Objectucar.nc2.units.DateUnit
public class DateUnit
Handles udunits dates, represented as "n units of time since reference date" eg "1203 days since 1970-01-01 00:00:00".
This is a wrapper around ucar.units package. It tracks the value, the base time unit, and the date origin seperately.
Constructor Summary | |
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DateUnit(double value,
String timeUnitString,
Date since)
Constructor that takes a value, timeUnitString, and a Date since |
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DateUnit(String text)
Constructor. |
Method Summary | |
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Date |
getDate()
Get the equivilent java.util.Date. |
Date |
getDateOrigin()
Get the origin Date. |
static Date |
getStandardDate(String text)
Create a java.util.Date from this udunits String. |
static Date |
getStandardOrISO(String text)
Create a java.util.Date from a udunit or ISO String. |
TimeUnit |
getTimeUnit()
For udunit dates, get the time unit. |
String |
getTimeUnitString()
For udunit dates, get the time unit only, as a String, eg "secs" or "days" |
String |
getUnitsString()
The udunits string, but no value, ie its a base unit. |
static DateUnit |
getUnixDateUnit()
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static void |
main(String[] args)
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Date |
makeDate(double val)
Create a Date from this base unit and the given value. |
String |
makeStandardDateString(double value)
Make a standard GMT string representation from this unit and given value. |
double |
makeValue(Date date)
Create the equivilent value from this base unit and the given Date. |
String |
toString()
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Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public DateUnit(String text) throws Exception
text
- udunits String, eg 3 secs since 1991-01-01T03:12
Exception
- if malformed String.public DateUnit(double value, String timeUnitString, Date since) throws Exception
value
- number of time unitstimeUnitString
- eg "secs"since
- date since, eg "secs since 1970-01-01T00:00:00Z"
Exception
- if not valid time unit.Method Detail |
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public static Date getStandardDate(String text)
text
- a udunit string.
[number] (units) since [-]Y[Y[Y[Y]]]-MM-DD[(T| )hh[:mm[:ss[.sss*]]][ [+|-]hh[[:]mm]]]
public static Date getStandardOrISO(String text)
text
- a udunit or ISO string.
getStandardDate(java.lang.String)
,
DateFormatter.getISODate(java.lang.String)
public static DateUnit getUnixDateUnit()
public Date getDateOrigin()
public String getTimeUnitString()
public TimeUnit getTimeUnit()
public Date getDate()
public Date makeDate(double val)
val
- value in the units of this base unit, eg sec since base date
public double makeValue(Date date)
date
- to convert.
public String makeStandardDateString(double value)
value
- of time in these units.
public String toString()
toString
in class Object
public String getUnitsString()
public static void main(String[] args) throws Exception
Exception
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