org.javamoney.tck.tests.internal.TestCurrencyProvider Maven / Gradle / Ivy

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/*
 * Copyright (c) 2012, 2013, Werner Keil, Credit Suisse (Anatole Tresch). 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. Contributors: Anatole Tresch - initial version.
 */
package org.javamoney.tck.tests.internal;

import javax.money.CurrencyQuery;
import javax.money.CurrencyUnit;
import javax.money.spi.CurrencyProviderSpi;
import java.util.HashSet;
import java.util.Locale;
import java.util.Set;

/**
 * Test currency provider.
 */
public final class TestCurrencyProvider implements CurrencyProviderSpi {

    @Override
    public String getProviderName() {
        return getClass().getSimpleName();
    }

    @Override
    public boolean isCurrencyAvailable(CurrencyQuery query) {
        return !getCurrencies(query).isEmpty();
    }

    @Override
    public Set getCurrencies(CurrencyQuery currencyQuery) {
        Set result = new HashSet<>(1);
        for (String cur : currencyQuery.getCurrencyCodes()) {
            if (cur.endsWith("_test")) {
                result.add(new TestCurrencyUnit(cur));
            }
        }
        for (Locale country : currencyQuery.getCountries()) {
            if ("test".equals(country.getVariant())) {
                result.add(new TestCurrencyUnit(country.toString()));
            }
        }
        return result;
    }
}