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use today midnight as reference time when "relative" lookup "GPS Time" is received from Expedition

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Change-Id: I40d683bf831dfa6d518dddb0660875ef8cfff309
This commit is contained in:
Axel Uhl
2017-11-08 08:40:46 +01:00
parent 7741737dcf
commit 0fe1b69fa9
1 changed files with 16 additions and 2 deletions
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java/com.sap.sailing.expeditionconnector/src/com/sap/sailing/expeditionconnector/impl/ExpeditionMessageImpl.java
+16 -2
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@@ -1,5 +1,6 @@
package com.sap.sailing.expeditionconnector.impl;
import java.util.Calendar;
import java.util.Collections;
import java.util.GregorianCalendar;
import java.util.HashMap;
@@ -65,9 +66,22 @@ public class ExpeditionMessageImpl implements ExpeditionMessage {
this.originalMessage = originalMessage;
this.createdAtMillis = System.currentTimeMillis();
if (hasValue(ID_GPS_TIME)) {
final double gpsTimeValue = getValue(ID_GPS_TIME);
final long referenceTime;
if (gpsTimeValue <= 1.0) { // "Phoenix" law: if between 0 and 1 then it's likely a day-relative time point
// so add the millis of today midnight UTC
Calendar todayMidnightUTC = new GregorianCalendar();
todayMidnightUTC.set(Calendar.HOUR_OF_DAY, 0);
todayMidnightUTC.set(Calendar.MINUTE, 0);
todayMidnightUTC.set(Calendar.SECOND, 0);
todayMidnightUTC.set(Calendar.MILLISECOND, 0);
referenceTime = todayMidnightUTC.getTimeInMillis();
} else {
referenceTime = cal.getTimeInMillis();
}
timePoint = new MillisecondsTimePoint((long)
(getValue(ID_GPS_TIME)*24*3600*1000) + // this is the milliseconds since 31.12.1899 0:00:00 UTC
cal.getTimeInMillis());
(gpsTimeValue*24*3600*1000) + // this is the milliseconds since 31.12.1899 0:00:00 UTC
referenceTime);
} else if (defaultTimePoint == null) {
timePoint = new MillisecondsTimePoint(createdAtMillis);
} else {