001    package biweekly.property;
002    
003    import java.util.List;
004    
005    import biweekly.component.ICalComponent;
006    import biweekly.util.UtcOffset;
007    
008    /*
009     Copyright (c) 2013, Michael Angstadt
010     All rights reserved.
011    
012     Redistribution and use in source and binary forms, with or without
013     modification, are permitted provided that the following conditions are met: 
014    
015     1. Redistributions of source code must retain the above copyright notice, this
016     list of conditions and the following disclaimer. 
017     2. Redistributions in binary form must reproduce the above copyright notice,
018     this list of conditions and the following disclaimer in the documentation
019     and/or other materials provided with the distribution. 
020    
021     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
022     ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
023     WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
024     DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
025     ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
026     (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
027     LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
028     ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
029     (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
030     SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
031     */
032    
033    /**
034     * Represents a property whose value is a timezone offset.
035     * @author Michael Angstadt
036     */
037    public class UtcOffsetProperty extends ICalProperty {
038            protected UtcOffset offset;
039    
040            public UtcOffsetProperty(int hourOffset, int minuteOffset) {
041                    this(new UtcOffset(hourOffset, minuteOffset));
042            }
043    
044            public UtcOffsetProperty(UtcOffset offset) {
045                    this.offset = offset;
046            }
047    
048            public int getHourOffset() {
049                    return (offset == null) ? null : offset.getHour();
050            }
051    
052            public int getMinuteOffset() {
053                    return (offset == null) ? null : offset.getMinute();
054            }
055    
056            public UtcOffset getOffset() {
057                    return offset;
058            }
059    
060            public void setOffset(int hourOffset, int minuteOffset) {
061                    setOffset(new UtcOffset(hourOffset, minuteOffset));
062            }
063    
064            public void setOffset(UtcOffset offset) {
065                    this.offset = offset;
066            }
067    
068            @Override
069            protected void validate(List<ICalComponent> components, List<String> warnings) {
070                    if (offset == null) {
071                            warnings.add("Value is null.");
072                    }
073                    if (offset != null && (offset.getMinute() < 0 || offset.getMinute() > 59)) {
074                            warnings.add("Minute offset must be between 0 and 59 inclusive.");
075                    }
076            }
077    }