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

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Here is the source code for com.helger.datetime.holiday.parser.impl.FixedWeekdayBetweenFixedParser.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 org.joda.time.LocalDate;

import com.helger.datetime.holiday.HolidayMap;
import com.helger.datetime.holiday.IHolidayType;
import com.helger.datetime.holiday.ResourceBundleHoliday;
import com.helger.datetime.holiday.config.FixedWeekdayBetweenFixed;
import com.helger.datetime.holiday.config.Holidays;
import com.helger.datetime.holiday.mgr.XMLUtil;
import com.helger.datetime.holiday.parser.AbstractHolidayParser;

/**
 * Parses the configuration for fixed weekdays between two fixed dates.
 * 
 * @author Sven Diedrichsen
 * @author Philip Helger
 */
public class FixedWeekdayBetweenFixedParser extends AbstractHolidayParser {
    private static final FixedWeekdayBetweenFixedParser s_aInstance = new FixedWeekdayBetweenFixedParser();

    private FixedWeekdayBetweenFixedParser() {
    }

    public static FixedWeekdayBetweenFixedParser getInstance() {
        return s_aInstance;
    }

    /**
     * Parses the provided configuration and creates holidays for the provided
     * year.
     */
    public void parse(final int nYear, final HolidayMap aHolidayMap, final Holidays aConfig) {
        for (final FixedWeekdayBetweenFixed aFixedWeekdayBetweenFixed : aConfig.getFixedWeekdayBetweenFixed()) {
            if (!isValid(aFixedWeekdayBetweenFixed, nYear))
                continue;

            final int nExpectedWeekday = XMLUtil.getWeekday(aFixedWeekdayBetweenFixed.getWeekday());
            LocalDate aFrom = XMLUtil.create(nYear, aFixedWeekdayBetweenFixed.getFrom());
            final LocalDate aTo = XMLUtil.create(nYear, aFixedWeekdayBetweenFixed.getTo());
            LocalDate aResult = null;
            while (!aFrom.isAfter(aTo)) {
                if (aFrom.getDayOfWeek() == nExpectedWeekday) {
                    aResult = aFrom;
                    break;
                }
                aFrom = aFrom.plusDays(1);
            }

            if (aResult != null) {
                final IHolidayType aType = XMLUtil.getType(aFixedWeekdayBetweenFixed.getLocalizedType());
                final String sPropertyKey = aFixedWeekdayBetweenFixed.getDescriptionPropertiesKey();
                aHolidayMap.add(aResult, new ResourceBundleHoliday(aType, sPropertyKey));
            }
        }
    }
}