net.sourceforge.ickles.factories.ZoneIdFactory Maven / Gradle / Ivy

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Ickles is a suite of tiny helper classes for writing tests in Java.

There is a newer version: 0.21

/*
 * Copyright 2014 Mark Slater
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at
 *
 * 	http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
 */

package net.sourceforge.ickles.factories;

import net.sourceforge.ickles.RandomListMemberSupplier;

import java.time.ZoneId;
import java.util.ArrayList;
import java.util.function.Supplier;

public final class ZoneIdFactory {

    private static final Supplier ZONE_ID_SUPPLIER;

    static {
        final RandomListMemberSupplier randomZoneIdStringSupplier = new RandomListMemberSupplier<>(new ArrayList<>(ZoneId.getAvailableZoneIds()));
        ZONE_ID_SUPPLIER = () -> ZoneId.of(randomZoneIdStringSupplier.get());
    }

    private ZoneIdFactory() {
    }

    public static ZoneId aZoneId() {
        return ZONE_ID_SUPPLIER.get();
    }

}