org.javamoney.moneta.convert.ExchangeCurrencyOperator Maven / Gradle / Ivy
/*
Copyright (c) 2012, 2018, Anatole Tresch, Werner Keil and others by the @author tag.
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 org.javamoney.moneta.convert;
import java.util.Objects;
import javax.money.CurrencyUnit;
import javax.money.MonetaryAmount;
import javax.money.MonetaryOperator;
/**
* MonetaryOperator class that applies an exchange rate to an amount.
*/
public class ExchangeCurrencyOperator implements MonetaryOperator {
/** The target currency. */
private final CurrencyUnit currency;
/**
* Constructor.
* @param currency the target currency, not null.
*/
ExchangeCurrencyOperator(CurrencyUnit currency) {
this.currency = Objects.requireNonNull(currency);
}
@Override
public MonetaryAmount apply(MonetaryAmount amount) {
Objects.requireNonNull(amount, "Amount required.");
return amount.getFactory().setCurrency(currency).create();
}
}