autofixture.generators.time.ZoneIdGenerator Maven / Gradle / Ivy

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An attempt to reimplement core features of a popular .NET anonymous value generator - AutoFixture - in Java

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package autofixture.generators.time;

import autofixture.implementationdetails.CircularList;
import autofixture.interfaces.FixtureContract;
import autofixture.interfaces.InstanceGenerator;
import autofixture.interfaces.InstanceType;

import java.time.ZoneId;
import java.util.Set;

/**
 * Created by astral on 08.02.15.
 */
public class ZoneIdGenerator implements InstanceGenerator {
  private final CircularList zoneIds;

  public ZoneIdGenerator() {
    final Set availableIds = ZoneId.getAvailableZoneIds();
    zoneIds = new CircularList<>(availableIds.toArray(arrayFor(availableIds)));
  }

  private String[] arrayFor(final Set availableIds) {
    return new String[availableIds.size()];
  }


  @Override
  public  boolean appliesTo(final InstanceType instanceType) {
    return instanceType.isRawTypeAssignableFrom(ZoneId.class);
  }

  @Override
  public  T next(final InstanceType instanceType, final FixtureContract fixture) {
    return (T) ZoneId.of(zoneIds.next());
  }

  @Override
  public  T nextEmpty(final InstanceType instanceType, final FixtureContract fixture) {
    return next(instanceType, fixture);
  }

  @Override
  public void setOmittingAutoProperties(final boolean isOn) {

  }
}