43 import java.util.Set;
  44 import java.util.TreeMap;
  45 import java.util.TreeSet;
  46 import java.util.concurrent.ConcurrentHashMap;
  47 import java.time.*;
  48 import java.time.Year;
  49 import java.time.chrono.IsoChronology;
  50 import java.time.temporal.TemporalAdjusters;
  51 import java.time.zone.ZoneOffsetTransition;
  52 import java.time.zone.ZoneOffsetTransitionRule;
  53 import java.time.zone.ZoneOffsetTransitionRule.TimeDefinition;
  54 import java.time.zone.ZoneRulesException;
  55 
  56 /**
  57  * Compile and build time-zone rules from IANA timezone data
  58  *
  59  * @author Xueming Shen
  60  * @author Stephen Colebourne
  61  * @author Michael Nascimento Santos
  62  *
  63  * @since   1.9
  64  */
  65 
  66 class TzdbZoneRulesProvider {
  67 
  68     /**
  69      * Creates an instance.
  70      *
  71      * @throws ZoneRulesException if unable to load
  72      */
  73     public TzdbZoneRulesProvider(List<Path> files) {
  74         try {
  75              load(files);
  76         } catch (Exception ex) {
  77             throw new ZoneRulesException("Unable to load TZDB time-zone rules", ex);
  78         }
  79     }
  80 
  81     public Set<String> getZoneIds() {
  82         return new TreeSet(regionIds);
  83     }

  43 import java.util.Set;
  44 import java.util.TreeMap;
  45 import java.util.TreeSet;
  46 import java.util.concurrent.ConcurrentHashMap;
  47 import java.time.*;
  48 import java.time.Year;
  49 import java.time.chrono.IsoChronology;
  50 import java.time.temporal.TemporalAdjusters;
  51 import java.time.zone.ZoneOffsetTransition;
  52 import java.time.zone.ZoneOffsetTransitionRule;
  53 import java.time.zone.ZoneOffsetTransitionRule.TimeDefinition;
  54 import java.time.zone.ZoneRulesException;
  55 
  56 /**
  57  * Compile and build time-zone rules from IANA timezone data
  58  *
  59  * @author Xueming Shen
  60  * @author Stephen Colebourne
  61  * @author Michael Nascimento Santos
  62  *
  63  * @since   9
  64  */
  65 
  66 class TzdbZoneRulesProvider {
  67 
  68     /**
  69      * Creates an instance.
  70      *
  71      * @throws ZoneRulesException if unable to load
  72      */
  73     public TzdbZoneRulesProvider(List<Path> files) {
  74         try {
  75              load(files);
  76         } catch (Exception ex) {
  77             throw new ZoneRulesException("Unable to load TZDB time-zone rules", ex);
  78         }
  79     }
  80 
  81     public Set<String> getZoneIds() {
  82         return new TreeSet(regionIds);
  83     }