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This API determines the holidays for a given year, country/name and eventually state/region. The holiday data is stored in XML files (one for each country) and will be read from the classpath. You can provide your own holiday calendar XML file or use any of the provided ones. Currently there are 63 countries supported like the following: United States, most european countries, Russia, India, Australia. Besides those there will be more special calendars like currently existing NYSE calendar (New York Stock Exchange).

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/**
 * Copyright 2010 Sven Diedrichsen 
 * 
 * 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 de.jollyday.parser.impl;

import static java.time.temporal.TemporalAdjusters.dayOfWeekInMonth;
import static java.time.temporal.TemporalAdjusters.lastInMonth;

import java.time.DayOfWeek;
import java.time.LocalDate;
import java.util.Set;

import de.jollyday.Holiday;
import de.jollyday.HolidayType;
import de.jollyday.config.FixedWeekdayInMonth;
import de.jollyday.config.Holidays;
import de.jollyday.config.Which;
import de.jollyday.parser.AbstractHolidayParser;

/**
 * The Class FixedWeekdayInMonthParser.
 * 
 * @author tboven
 * @version $Id: $
 */
public class FixedWeekdayInMonthParser extends AbstractHolidayParser {

	/*
	 * (non-Javadoc)
	 * 
	 * @see de.jollyday.parser.HolidayParser#parse(int, java.util.Set,
	 * de.jollyday.config.Holidays)
	 */
	/** {@inheritDoc} */
	@Override
	public void parse(int year, Set holidays, final Holidays config) {
		for (FixedWeekdayInMonth fwm : config.getFixedWeekday()) {
			if (!isValid(fwm, year)) {
				continue;
			}
			LocalDate date = parse(year, fwm);
			HolidayType type = xmlUtil.getType(fwm.getLocalizedType());
			holidays.add(new Holiday(date, fwm.getDescriptionPropertiesKey(), type));
		}
	}

	/**
	 * Parses the {@link FixedWeekdayInMonth}.
	 * 
	 * @param year
	 *            the year
	 * @param fwm
	 *            the fwm
	 * @return the local date
	 */
	protected LocalDate parse(int year, FixedWeekdayInMonth fwm) {
		final DayOfWeek weekday = xmlUtil.getWeekday(fwm.getWeekday());
		final LocalDate date = LocalDate.of(year, xmlUtil.getMonth(fwm.getMonth()), 1);

		if (Which.LAST == fwm.getWhich()) {
			return date.with(lastInMonth(weekday));
		}

		return date.with(dayOfWeekInMonth(fwm.getWhich().ordinal() + 1, weekday));
	}
}