com.helger.datetime.holiday.parser.impl.ChristianHolidayParser.java Source code

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Here is the source code for com.helger.datetime.holiday.parser.impl.ChristianHolidayParser.java

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/**
 * Copyright (C) 2014-2015 Philip Helger (www.helger.com)
 * philip[at]helger[dot]com
 *
 * 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 com.helger.datetime.holiday.parser.impl;

import javax.annotation.Nonnull;

import org.joda.time.LocalDate;

import com.helger.datetime.holiday.CalendarUtil;
import com.helger.datetime.holiday.HolidayMap;
import com.helger.datetime.holiday.IHolidayType;
import com.helger.datetime.holiday.config.ChristianHoliday;
import com.helger.datetime.holiday.config.ChronologyType;
import com.helger.datetime.holiday.config.Holidays;
import com.helger.datetime.holiday.mgr.XMLUtil;

/**
 * This parser creates christian holidays for the given year relative to easter
 * sunday.
 * 
 * @author Sven Diedrichsen
 * @author Philip Helger
 */
public class ChristianHolidayParser extends RelativeToEasterSundayParser {
    private static final ChristianHolidayParser s_aInstance = new ChristianHolidayParser();

    private ChristianHolidayParser() {
    }

    @Nonnull
    public static ChristianHolidayParser getInstance() {
        return s_aInstance;
    }

    /**
     * {@inheritDoc} Parses all christian holidays relative to eastern.
     */
    @Override
    public void parse(final int nYear, final HolidayMap aHolidayMap, final Holidays aConfig) {
        for (final ChristianHoliday aChristianHoliday : aConfig.getChristianHoliday()) {
            if (!isValid(aChristianHoliday, nYear))
                continue;

            LocalDate aEasterSunday;
            if (aChristianHoliday.getChronology() == ChronologyType.JULIAN)
                aEasterSunday = getJulianEasterSunday(nYear);
            else if (aChristianHoliday.getChronology() == ChronologyType.GREGORIAN)
                aEasterSunday = getGregorianEasterSunday(nYear);
            else
                aEasterSunday = getEasterSunday(nYear);

            switch (aChristianHoliday.getType()) {
            case EASTER:
                break;
            case CLEAN_MONDAY:
            case SHROVE_MONDAY:
                aEasterSunday = aEasterSunday.minusDays(48);
                break;
            case MARDI_GRAS:
            case CARNIVAL:
                aEasterSunday = aEasterSunday.minusDays(47);
                break;
            case ASH_WEDNESDAY:
                aEasterSunday = aEasterSunday.minusDays(46);
                break;
            case MAUNDY_THURSDAY:
                aEasterSunday = aEasterSunday.minusDays(3);
                break;
            case GOOD_FRIDAY:
                aEasterSunday = aEasterSunday.minusDays(2);
                break;
            case EASTER_SATURDAY:
                aEasterSunday = aEasterSunday.minusDays(1);
                break;
            case EASTER_MONDAY:
                aEasterSunday = aEasterSunday.plusDays(1);
                break;
            case EASTER_TUESDAY:
                aEasterSunday = aEasterSunday.plusDays(2);
                break;
            case GENERAL_PRAYER_DAY:
                aEasterSunday = aEasterSunday.plusDays(26);
                break;
            case ASCENSION_DAY:
                aEasterSunday = aEasterSunday.plusDays(39);
                break;
            case PENTECOST:
            case WHIT_SUNDAY:
                aEasterSunday = aEasterSunday.plusDays(49);
                break;
            case WHIT_MONDAY:
            case PENTECOST_MONDAY:
                aEasterSunday = aEasterSunday.plusDays(50);
                break;
            case CORPUS_CHRISTI:
                aEasterSunday = aEasterSunday.plusDays(60);
                break;
            case SACRED_HEART:
                aEasterSunday = aEasterSunday.plusDays(68);
                break;
            default:
                throw new IllegalArgumentException("Unknown christian holiday type " + aChristianHoliday.getType());
            }
            final LocalDate aConvertedDate = CalendarUtil.convertToGregorianDate(aEasterSunday);
            final IHolidayType aType = XMLUtil.getType(aChristianHoliday.getLocalizedType());
            final String sPropertiesKey = "christian." + aChristianHoliday.getType().name();
            addChrstianHoliday(aConvertedDate, sPropertiesKey, aType, aHolidayMap);
        }
    }
}