001 package biweekly.property; 002 003 import java.util.List; 004 005 import biweekly.component.ICalComponent; 006 import biweekly.util.Recurrence; 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 * Defines a property whose value is a recurrence rule. 035 * @author Michael Angstadt 036 */ 037 public class RecurrenceProperty extends ValuedProperty<Recurrence> { 038 /** 039 * Creates a new recurrence property. 040 * @param recur the recurrence value 041 */ 042 public RecurrenceProperty(Recurrence recur) { 043 super(recur); 044 } 045 046 @Override 047 protected void validate(List<ICalComponent> components, List<String> warnings) { 048 super.validate(components, warnings); 049 if (value == null) { 050 return; 051 } 052 053 if (value.getFrequency() == null) { 054 warnings.add("Frequency is not set (it is a required field)."); 055 } 056 057 if (value.getUntil() != null && value.getCount() != null) { 058 warnings.add("\"UNTIL\" and \"COUNT\" cannot both be set."); 059 } 060 } 061 }