001package biweekly.property;
002
003import java.util.Date;
004import java.util.List;
005
006import biweekly.ICalVersion;
007import biweekly.Warning;
008import biweekly.component.ICalComponent;
009import biweekly.util.ICalDate;
010
011/*
012 Copyright (c) 2013-2015, Michael Angstadt
013 All rights reserved.
014
015 Redistribution and use in source and binary forms, with or without
016 modification, are permitted provided that the following conditions are met: 
017
018 1. Redistributions of source code must retain the above copyright notice, this
019 list of conditions and the following disclaimer. 
020 2. Redistributions in binary form must reproduce the above copyright notice,
021 this list of conditions and the following disclaimer in the documentation
022 and/or other materials provided with the distribution. 
023
024 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
025 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
026 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
027 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
028 ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
029 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
030 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
031 ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
032 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
033 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
034 */
035
036/**
037 * <p>
038 * Defines a list of exceptions to the dates specified in the
039 * {@link RecurrenceRule} property.
040 * </p>
041 * <p>
042 * <b>Code sample:</b>
043 * 
044 * <pre class="brush:java">
045 * VEvent event = new VEvent();
046 * 
047 * //dates with time components
048 * ExceptionDates exdate = new ExceptionDates();
049 * Date datetime = ...
050 * exdate.addValue(new ICalDate(datetime, true));
051 * event.addExceptionDates(exdate);
052 * 
053 * //dates without time components
054 * exdate = new ExceptionDates();
055 * Date date = ...
056 * exdate.addValue(new ICalDate(date, false));
057 * event.addExceptionDates(exdate);
058 * </pre>
059 * 
060 * </p>
061 * @author Michael Angstadt
062 * @see <a href="http://tools.ietf.org/html/rfc5545#page-118">RFC 5545
063 * p.118-20</a>
064 * @see <a href="http://tools.ietf.org/html/rfc2445#page-112">RFC 2445
065 * p.112-4</a>
066 * @see <a href="http://www.imc.org/pdi/vcal-10.doc">vCal 1.0 p.31</a>
067 */
068public class ExceptionDates extends ListProperty<ICalDate> {
069        /**
070         * Adds a value to this property.
071         * @param value the value to add
072         */
073        public void addValue(Date value) {
074                addValue(new ICalDate(value));
075        }
076
077        @Override
078        protected void validate(List<ICalComponent> components, ICalVersion version, List<Warning> warnings) {
079                super.validate(components, version, warnings);
080
081                List<ICalDate> dates = getValues();
082                if (dates.isEmpty()) {
083                        return;
084                }
085
086                //can't mix date and date-time values
087                boolean hasTime = dates.get(0).hasTime();
088                for (ICalDate date : dates.subList(1, dates.size())) {
089                        if (date.hasTime() != hasTime) {
090                                warnings.add(Warning.validate(50));
091                                break;
092                        }
093                }
094        }
095}