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JSR 354 provides an API for representing, transporting, and performing comprehensive calculations with Money and Currency. This module implements JSR 354.

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/*
  Copyright (c) 2012, 2014, Credit Suisse (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.function;

import java.util.Objects;

import javax.money.CurrencyUnit;
import javax.money.Monetary;
import javax.money.MonetaryAmount;
import javax.money.MonetaryOperator;

import org.javamoney.moneta.RoundedMoney;

/**
 * The implementation of {@link MonetaryAmountProducer} that creates {@link MonetaryAmount}
 * using {@link RoundedMoney} using the {@link MonetaryOperator} as rounding operator
 * @see RoundedMoneyProducer#RoundedMoneyProducer(MonetaryOperator)
 * @author Otavio Santana
 */
public final class RoundedMoneyProducer implements MonetaryAmountProducer {

	private final MonetaryOperator operator;

	/**
	 * Creates this producer using this operator
	 * as rounding operator in all MonetaryAmount produced.
	 * @param operator the rounnding implementation, not null.
	 * @throws NullPointerException if operator is null
	 */
	public RoundedMoneyProducer(MonetaryOperator operator) {
		this.operator = Objects.requireNonNull(operator);
	}

	/**
	 * Returns the {@link MonetaryAmountProducer} that creates {@link MonetaryAmount}
	 * using the {@link RoundedMoney} implementation using {@link MonetaryOperators#rounding()}.
	 * as rounding operator
	 * @see RoundedMoneyProducer
	 */
	public RoundedMoneyProducer() {
		this.operator = MonetaryOperators.rounding();
	}

	@Override
	public MonetaryAmount create(CurrencyUnit currency, Number number) {
		return RoundedMoney.of(Objects.requireNonNull(number), Objects.requireNonNull(currency), operator);
	}

	public MonetaryOperator getOperator() {
		return operator;
	}

}