alma.acs.time

Class TimeHelper

java.lang.Object

alma.acs.util.UTCUtility

alma.acs.time.TimeHelper

public class TimeHelper
extends UTCUtility

Converts native Java time to ALMA time units.

Author:

dfugate Sep 30, 2004

Constructor Summary

Constructors

Constructor and Description
TimeHelper()

Method Summary

Modifier and Type	Method and Description
static long	epochToJava(Epoch acsTime) Converts from an ACS Epoch ("long-epoch UTC", 100-ns since Oct 15, 1582) to Java time ("short-epoch UTC", ms since Jan 01, 1970).
static Epoch	getTimeStamp() Returns the current timestamp in ACS Epoch ("long-epoch UTC", 100-ns since Oct 15, 1582) format.
static java.lang.String	getUTCDate() Returns the current UTC time in stringified format: "yyyy-MM-ddTHH:mm:ss.SSS"
static java.lang.String	getUTCDate(Epoch acsTime) Converts the given ACS Epoch ("long-epoch UTC", 100-ns since Oct 15, 1582) to a stringified format: "yyyy-MM-ddTHH:mm:ss.SSS"
static Epoch	javaToEpoch(long jTime) Converts from Java time ("short-epoch UTC", ms since Jan 01, 1970) to an ACS epoch ("long-epoch UTC", 100-ns since Oct 15, 1582).

Methods inherited from class alma.acs.util.UTCUtility

durationJavaMillisToOmg, getUTCDate, utcJavaToOmg, utcOmgToJava

Methods inherited from class java.lang.Object

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

Constructor Detail

TimeHelper

public TimeHelper()

Method Detail

epochToJava

public static long epochToJava(Epoch acsTime)

Converts from an ACS Epoch ("long-epoch UTC", 100-ns since Oct 15, 1582) to Java time ("short-epoch UTC", ms since Jan 01, 1970).

Returns:

time in milliseconds since Jan 01, 1970 00:00:00

javaToEpoch

public static final Epoch javaToEpoch(long jTime)

Converts from Java time ("short-epoch UTC", ms since Jan 01, 1970) to an ACS epoch ("long-epoch UTC", 100-ns since Oct 15, 1582).

Returns:

ACS Epoch (in 100-nanoseconds since Oct 15, 1582 00:00:00)

getTimeStamp

public static Epoch getTimeStamp()

Returns the current timestamp in ACS Epoch ("long-epoch UTC", 100-ns since Oct 15, 1582) format. To convert this value to a long, just use getTimeStamp().value

Returns:

current ACS Epoch (in 100-nanoseconds since Oct 15, 1582 00:00:00)

getUTCDate

public static java.lang.String getUTCDate()

Returns the current UTC time in stringified format: "yyyy-MM-ddTHH:mm:ss.SSS"

Returns:

present date/time in UTC format

getUTCDate

public static java.lang.String getUTCDate(Epoch acsTime)

Converts the given ACS Epoch ("long-epoch UTC", 100-ns since Oct 15, 1582) to a stringified format: "yyyy-MM-ddTHH:mm:ss.SSS"

Returns:

present date/time in UTC format