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BAEL-1317: Display All Time Zones With GMT and UTC

This commit is contained in:
Holger Steinhauer 2017-11-19 18:08:35 +00:00
parent d9608d20a2
commit 232d2d8e81
1 changed files with 11 additions and 6 deletions
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17
core-java-8/src/main/java/com/baeldung/timezonedisplay/TimezoneDisplay.java
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@ -1,13 +1,11 @@
package com.baeldung.timezonedisplay; package com.baeldung.timezonedisplay;
import sun.util.calendar.ZoneInfo;
import java.time.LocalDateTime; import java.time.LocalDateTime;
import java.time.ZoneId; import java.time.ZoneId;
import java.time.ZoneOffset;
import java.util.Comparator; import java.util.Comparator;
import java.util.List; import java.util.List;
import java.util.Set; import java.util.Set;
import java.util.TimeZone;
import java.util.stream.Collectors; import java.util.stream.Collectors;
public class TimezoneDisplay { public class TimezoneDisplay {
@ -40,10 +38,17 @@ public class TimezoneDisplay {
@Override @Override
public int compare(ZoneId zoneId1, ZoneId zoneId2) { public int compare(ZoneId zoneId1, ZoneId zoneId2) {
TimeZone tz1 = ZoneInfo.getTimeZone(zoneId1); LocalDateTime now = LocalDateTime.now();
TimeZone tz2 = ZoneInfo.getTimeZone(zoneId2);
return Integer.compare(tz1.getRawOffset(), tz2.getRawOffset()); ZoneOffset offset1 = now
.atZone(zoneId1)
.getOffset();
ZoneOffset offset2 = now
.atZone(zoneId2)
.getOffset();
return offset1.compareTo(offset2);
} }
} }