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Resolving bug when calculating the start of an UTC week

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Former-commit-id: 3e6b8124b4eecb0579894a78fe40715c3d2fe1ed
This commit is contained in:
Daniel Collin 2016-02-09 16:14:39 +01:00
parent 5a90e67222
commit 54ea6d3c01
1 changed files with 7 additions and 5 deletions
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12
src/se/hal/util/TimeUtility.java
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@ -1,6 +1,7 @@
package se.hal.util;
import java.util.Calendar;
import java.util.TimeZone;
public class TimeUtility {
public static final long SECOND_IN_MS = 1000;
@ -12,10 +13,8 @@ public class TimeUtility {
public static final long INFINITY = Long.MAX_VALUE; //sort of true
public static long getTimestampPeriodStart_UTC(long periodLengthInMs, long timestamp) throws NumberFormatException{
if(periodLengthInMs < 0 || timestamp < 0)
throw new NumberFormatException("argument must be positive");
return timestamp - (timestamp % periodLengthInMs);
//return timestamp - (timestamp % periodLengthInMs);
return getTimestampPeriodStart(periodLengthInMs, timestamp, Calendar.getInstance(TimeZone.getTimeZone("UTC")));
}
/**
@ -25,10 +24,13 @@ public class TimeUtility {
* @return
*/
public static long getTimestampPeriodStart_LOCAL(long periodLengthInMs, long timestamp) throws NumberFormatException{
return getTimestampPeriodStart(periodLengthInMs, timestamp, Calendar.getInstance());
}
private static long getTimestampPeriodStart(long periodLengthInMs, long timestamp, Calendar cal) throws NumberFormatException{
if(periodLengthInMs < 0 || timestamp < 0)
throw new NumberFormatException("argument must be positive");
Calendar cal = Calendar.getInstance();
cal.setTimeInMillis(timestamp);
boolean clear = false;