001    package biweekly.property;
002    
003    import java.util.List;
004    
005    import biweekly.Warning;
006    import biweekly.component.ICalComponent;
007    import biweekly.util.UtcOffset;
008    
009    /*
010     Copyright (c) 2013, Michael Angstadt
011     All rights reserved.
012    
013     Redistribution and use in source and binary forms, with or without
014     modification, are permitted provided that the following conditions are met: 
015    
016     1. Redistributions of source code must retain the above copyright notice, this
017     list of conditions and the following disclaimer. 
018     2. Redistributions in binary form must reproduce the above copyright notice,
019     this list of conditions and the following disclaimer in the documentation
020     and/or other materials provided with the distribution. 
021    
022     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
023     ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
024     WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
025     DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
026     ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
027     (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
028     LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
029     ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
030     (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
031     SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
032     */
033    
034    /**
035     * Represents a property whose value is a timezone offset.
036     * @author Michael Angstadt
037     */
038    public class UtcOffsetProperty extends ICalProperty {
039            protected UtcOffset offset;
040    
041            public UtcOffsetProperty(int hourOffset, int minuteOffset) {
042                    this(new UtcOffset(hourOffset, minuteOffset));
043            }
044    
045            public UtcOffsetProperty(UtcOffset offset) {
046                    this.offset = offset;
047            }
048    
049            public int getHourOffset() {
050                    return (offset == null) ? null : offset.getHour();
051            }
052    
053            public int getMinuteOffset() {
054                    return (offset == null) ? null : offset.getMinute();
055            }
056    
057            public UtcOffset getOffset() {
058                    return offset;
059            }
060    
061            public void setOffset(int hourOffset, int minuteOffset) {
062                    setOffset(new UtcOffset(hourOffset, minuteOffset));
063            }
064    
065            public void setOffset(UtcOffset offset) {
066                    this.offset = offset;
067            }
068    
069            @Override
070            protected void validate(List<ICalComponent> components, List<Warning> warnings) {
071                    if (offset == null) {
072                            warnings.add(Warning.validate(26));
073                    }
074                    if (offset != null && (offset.getMinute() < 0 || offset.getMinute() > 59)) {
075                            warnings.add(Warning.validate(34));
076                    }
077            }
078    }