1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/src/net/fortuna/ical4j/model/property/DtStart.java Tue Feb 10 18:12:00 2015 +0100 1.3 @@ -0,0 +1,205 @@ 1.4 +/** 1.5 + * Copyright (c) 2012, Ben Fortuna 1.6 + * All rights reserved. 1.7 + * 1.8 + * Redistribution and use in source and binary forms, with or without 1.9 + * modification, are permitted provided that the following conditions 1.10 + * are met: 1.11 + * 1.12 + * o Redistributions of source code must retain the above copyright 1.13 + * notice, this list of conditions and the following disclaimer. 1.14 + * 1.15 + * o Redistributions in binary form must reproduce the above copyright 1.16 + * notice, this list of conditions and the following disclaimer in the 1.17 + * documentation and/or other materials provided with the distribution. 1.18 + * 1.19 + * o Neither the name of Ben Fortuna nor the names of any other contributors 1.20 + * may be used to endorse or promote products derived from this software 1.21 + * without specific prior written permission. 1.22 + * 1.23 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 1.24 + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 1.25 + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 1.26 + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 1.27 + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 1.28 + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 1.29 + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 1.30 + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 1.31 + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 1.32 + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 1.33 + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 1.34 + */ 1.35 +package net.fortuna.ical4j.model.property; 1.36 + 1.37 +import java.text.ParseException; 1.38 + 1.39 +import net.fortuna.ical4j.model.Date; 1.40 +import net.fortuna.ical4j.model.ParameterList; 1.41 +import net.fortuna.ical4j.model.PropertyFactoryImpl; 1.42 +import net.fortuna.ical4j.model.TimeZone; 1.43 +import net.fortuna.ical4j.model.ValidationException; 1.44 + 1.45 +/** 1.46 + * $Id$ 1.47 + * 1.48 + * Created: [Apr 6, 2004] 1.49 + * 1.50 + * Defines a DTSTART iCalendar component property. 1.51 + * 1.52 + * <pre> 1.53 + * 4.8.2.4 Date/Time Start 1.54 + * 1.55 + * Property Name: DTSTART 1.56 + * 1.57 + * Purpose: This property specifies when the calendar component begins. 1.58 + * 1.59 + * Value Type: The default value type is DATE-TIME. The time value MUST 1.60 + * be one of the forms defined for the DATE-TIME value type. The value 1.61 + * type can be set to a DATE value type. 1.62 + * 1.63 + * Property Parameters: Non-standard, value data type, time zone 1.64 + * identifier property parameters can be specified on this property. 1.65 + * 1.66 + * Conformance: This property can be specified in the "VEVENT", "VTODO", 1.67 + * "VFREEBUSY", or "VTIMEZONE" calendar components. 1.68 + * 1.69 + * Description: Within the "VEVENT" calendar component, this property 1.70 + * defines the start date and time for the event. The property is 1.71 + * REQUIRED in "VEVENT" calendar components. Events can have a start 1.72 + * date/time but no end date/time. In that case, the event does not take 1.73 + * up any time. 1.74 + * 1.75 + * Within the "VFREEBUSY" calendar component, this property defines the 1.76 + * start date and time for the free or busy time information. The time 1.77 + * MUST be specified in UTC time. 1.78 + * 1.79 + * Within the "VTIMEZONE" calendar component, this property defines the 1.80 + * effective start date and time for a time zone specification. This 1.81 + * property is REQUIRED within each STANDARD and DAYLIGHT part included 1.82 + * in "VTIMEZONE" calendar components and MUST be specified as a local 1.83 + * DATE-TIME without the "TZID" property parameter. 1.84 + * 1.85 + * Format Definition: The property is defined by the following notation: 1.86 + * 1.87 + * dtstart = "DTSTART" dtstparam ":" dtstval CRLF 1.88 + * 1.89 + * dtstparam = *( 1.90 + * 1.91 + * ; the following are optional, 1.92 + * ; but MUST NOT occur more than once 1.93 + * 1.94 + * (";" "VALUE" "=" ("DATE-TIME" / "DATE")) / 1.95 + * (";" tzidparam) / 1.96 + * 1.97 + * ; the following is optional, 1.98 + * ; and MAY occur more than once 1.99 + * 1.100 + * *(";" xparam) 1.101 + * 1.102 + * ) 1.103 + * 1.104 + * 1.105 + * 1.106 + * dtstval = date-time / date 1.107 + * ;Value MUST match value type 1.108 + * </pre> 1.109 + * 1.110 + * @author Ben Fortuna 1.111 + */ 1.112 +public class DtStart extends DateProperty { 1.113 + 1.114 + private static final long serialVersionUID = -5707097476081111815L; 1.115 + 1.116 + /** 1.117 + * Default constructor. The time value is initialised to the time of instantiation. 1.118 + */ 1.119 + public DtStart() { 1.120 + super(DTSTART, PropertyFactoryImpl.getInstance()); 1.121 + } 1.122 + 1.123 + /** 1.124 + * Creates a new DTSTART property initialised with the specified timezone. 1.125 + * @param timezone initial timezone 1.126 + */ 1.127 + public DtStart(TimeZone timezone) { 1.128 + super(DTSTART, timezone, PropertyFactoryImpl.getInstance()); 1.129 + } 1.130 + 1.131 + /** 1.132 + * @param aValue a value string for this component 1.133 + * @throws ParseException where the specified value string is not a valid date-time/date representation 1.134 + */ 1.135 + public DtStart(final String aValue) throws ParseException { 1.136 + super(DTSTART, PropertyFactoryImpl.getInstance()); 1.137 + setValue(aValue); 1.138 + } 1.139 + 1.140 + /** 1.141 + * Creates a new DTSTART property initialised with the specified timezone and value. 1.142 + * @param value a string representation of a DTSTART value 1.143 + * @param timezone initial timezone 1.144 + * @throws ParseException where the specified value is not a valid string 1.145 + * representation 1.146 + */ 1.147 + public DtStart(String value, TimeZone timezone) throws ParseException { 1.148 + super(DTSTART, timezone, PropertyFactoryImpl.getInstance()); 1.149 + setValue(value); 1.150 + } 1.151 + 1.152 + /** 1.153 + * @param aList a list of parameters for this component 1.154 + * @param aValue a value string for this component 1.155 + * @throws ParseException where the specified value string is not a valid date-time/date representation 1.156 + */ 1.157 + public DtStart(final ParameterList aList, final String aValue) 1.158 + throws ParseException { 1.159 + super(DTSTART, aList, PropertyFactoryImpl.getInstance()); 1.160 + setValue(aValue); 1.161 + } 1.162 + 1.163 + /** 1.164 + * Constructor. Date or Date-Time format is determined based on the presence of a VALUE parameter. 1.165 + * @param aDate a date 1.166 + */ 1.167 + public DtStart(final Date aDate) { 1.168 + super(DTSTART, PropertyFactoryImpl.getInstance()); 1.169 + setDate(aDate); 1.170 + } 1.171 + 1.172 + /** 1.173 + * Constructs a new DtStart with the specified time. 1.174 + * @param time the time of the DtStart 1.175 + * @param utc specifies whether time is UTC 1.176 + */ 1.177 + public DtStart(final Date time, final boolean utc) { 1.178 + super(DTSTART, PropertyFactoryImpl.getInstance()); 1.179 + setDate(time); 1.180 + setUtc(utc); 1.181 + } 1.182 + 1.183 + /** 1.184 + * Constructor. Date or Date-Time format is determined based on the presence of a VALUE parameter. 1.185 + * @param aList a list of parameters for this component 1.186 + * @param aDate a date 1.187 + */ 1.188 + public DtStart(final ParameterList aList, final Date aDate) { 1.189 + super(DTSTART, aList, PropertyFactoryImpl.getInstance()); 1.190 + setDate(aDate); 1.191 + } 1.192 + 1.193 + /** 1.194 + * {@inheritDoc} 1.195 + */ 1.196 + public final void validate() throws ValidationException { 1.197 + super.validate(); 1.198 + 1.199 + /* 1.200 + * ; the following are optional, ; but MUST NOT occur more than once (";" "VALUE" "=" ("DATE-TIME" / "DATE")) / 1.201 + * (";" tzidparam) / 1.202 + */ 1.203 + 1.204 + /* 1.205 + * ; the following is optional, ; and MAY occur more than once (";" xparam) 1.206 + */ 1.207 + } 1.208 +}