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Simplify APIs exposed for time zone lookups

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The libcore.timezone APIs may form the basis for some
new SystemApis. Before starting that process the API
surface is being rationalized to establish the core
use cases.

Test: Treehugger
Bug: 139091367
Change-Id: Ib615976fae76ceb98873a33e1e995542e691c9d0
This commit is contained in:
Neil Fuller
2019-08-19 20:27:45 +01:00
parent 3628bb3a64
commit babab5cd6a
1 changed files with 18 additions and 1 deletions
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19
packages/SettingsLib/src/com/android/settingslib/datetime/ZoneGetter.java
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@@ -34,11 +34,14 @@ import androidx.core.text.TextDirectionHeuristicsCompat;
import com.android.settingslib.R;
import libcore.timezone.CountryTimeZones;
import libcore.timezone.CountryTimeZones.TimeZoneMapping;
import libcore.timezone.TimeZoneFinder;
import org.xmlpull.v1.XmlPullParserException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Date;
import java.util.HashMap;
import java.util.HashSet;
@@ -387,7 +390,21 @@ public class ZoneGetter {
@VisibleForTesting
public List<String> lookupTimeZoneIdsByCountry(String country) {
return TimeZoneFinder.getInstance().lookupTimeZoneIdsByCountry(country);
final CountryTimeZones countryTimeZones =
TimeZoneFinder.getInstance().lookupCountryTimeZones(country);
if (countryTimeZones == null) {
return null;
}
final List<TimeZoneMapping> mappings = countryTimeZones.getTimeZoneMappings();
return extractTimeZoneIds(mappings);
}
private static List<String> extractTimeZoneIds(List<TimeZoneMapping> timeZoneMappings) {
final List<String> zoneIds = new ArrayList<>(timeZoneMappings.size());
for (TimeZoneMapping timeZoneMapping : timeZoneMappings) {
zoneIds.add(timeZoneMapping.timeZoneId);
}
return Collections.unmodifiableList(zoneIds);
}
}
}