001    package biweekly.property;
002    
003    import java.util.List;
004    
005    import biweekly.Warning;
006    import biweekly.component.ICalComponent;
007    import biweekly.util.Recurrence;
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     * Defines a property whose value is a recurrence rule.
036     * @author Michael Angstadt
037     */
038    public class RecurrenceProperty extends ValuedProperty<Recurrence> {
039            /**
040             * Creates a new recurrence property.
041             * @param recur the recurrence value
042             */
043            public RecurrenceProperty(Recurrence recur) {
044                    super(recur);
045            }
046    
047            @Override
048            protected void validate(List<ICalComponent> components, List<Warning> warnings) {
049                    super.validate(components, warnings);
050                    if (value == null) {
051                            return;
052                    }
053    
054                    if (value.getFrequency() == null) {
055                            warnings.add(Warning.validate(30));
056                    }
057    
058                    if (value.getUntil() != null && value.getCount() != null) {
059                            warnings.add(Warning.validate(31));
060                    }
061            }
062    }