/*
* Copyright (c) 2005-2011 Grameen Foundation USA
* All rights reserved.
*
* 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.
*
* See also http://www.apache.org/licenses/LICENSE-2.0.html for an
* explanation of the license and how it is applied.
*/
package org.mifos.accounts.savings.interest;
import org.mifos.framework.util.helpers.Money;
import org.mifos.framework.util.helpers.MoneyUtils;
public class SimpleInterestCalculationStrategy {
private final Double interestRate;
private final int accountingNumberOfInterestDaysInYear;
public SimpleInterestCalculationStrategy(Double interestRate, int numberOfDaysInYear) {
this.interestRate = interestRate;
this.accountingNumberOfInterestDaysInYear = numberOfDaysInYear;
}
public Money calculateInterest(Money principal, int duration) {
Double effectiveInterestRate = (interestRate / accountingNumberOfInterestDaysInYear) * duration;
Money interestAmount = principal.multiply(effectiveInterestRate / 100);
return MoneyUtils.currencyRound(interestAmount);
}
}