001/*
002  Copyright (c) 2012, 2014, Credit Suisse (Anatole Tresch), Werner Keil and others by the @author tag.
003
004  Licensed under the Apache License, Version 2.0 (the "License"); you may not
005  use this file except in compliance with the License. You may obtain a copy of
006  the License at
007
008  http://www.apache.org/licenses/LICENSE-2.0
009
010  Unless required by applicable law or agreed to in writing, software
011  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
012  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
013  License for the specific language governing permissions and limitations under
014  the License.
015 */
016package org.javamoney.moneta.convert;
017
018import java.util.Objects;
019
020import javax.money.CurrencyUnit;
021import javax.money.MonetaryAmount;
022import javax.money.MonetaryOperator;
023
024public class ExchangeCurrencyOperator implements MonetaryOperator {
025
026        private final CurrencyUnit currency;
027
028        ExchangeCurrencyOperator(CurrencyUnit currency) {
029                this.currency = currency;
030        }
031
032        @Override
033        public MonetaryAmount apply(MonetaryAmount amount) {
034                Objects.requireNonNull(amount, "Amount required.");
035                return amount.getFactory().setCurrency(currency).create();
036        }
037
038}