/*
 * 
 jFin, open source derivatives trade processing 
 *
 * 
Copyright (C) 2005-2011 Morgan Brown Consultancy Ltd. 
 *
 * 
This file is part of jFin. 
 *
 * 
 jFin is free software; you can redistribute it and/or modify it under the
 * terms of the GNU General Public License as published by the Free Software
 * Foundation; either version 2 of the License, or (at your option) any later
 * version. 
 *
 * 
 jFin is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
 * License for more details. 
 *
 * 
 You should have received a copy of the GNU General Public License along
 * with jFin; if not, write to the Free Software Foundation, Inc., 51 Franklin
 * St, Fifth Floor, Boston, MA 02110-1301 USA. 
 */

package com.mbc.jfin.daycount.impl.calculator;

import com.mbc.jfin.daycount.impl.DaycountCalculator;
import com.mbc.jfin.holiday.HolidayCalendar;
import com.mbc.jfin.schedule.SchedulePeriod;
import com.mbc.jfin.util.DateUtils;
import org.joda.time.LocalDate;

import java.util.ArrayList;
import java.util.List;


/**
 * Created by IntelliJ IDEA.
 * User: dmb
 * Date: 06/05/2011
 * Time: 09:03
 */
public class ISDAActualActualDaycountCalculator implements DaycountCalculator {



    public double calculateDaycountFraction(SchedulePeriod period, HolidayCalendar calendar) {

        if(period.getStart().equals(period.getEnd())) return 0;

		double fraction = 0;
		List subPeriods = getPeriods(period);

		int[] numerators = getNumerators(subPeriods);
		int[] denominators = getDenominators(subPeriods);

		for(int i=0;i getPeriods(SchedulePeriod period) {
		LocalDate hold = period.getStart();
		LocalDate end = period.getEnd();

		List periods = new ArrayList();


		while(hold.getYear() subPeriods) {

		int[] numerators = new int[subPeriods.size()];

		for(int i=0;i subPeriods) {

		int[] denominators = new int[subPeriods.size()];

		for(int i=0;i