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 /**

  * Copyright (c) 2012, Ben Fortuna

  * All rights reserved.

  *

  * Redistribution and use in source and binary forms, with or without

  * modification, are permitted provided that the following conditions

  * are met:

  *

  *  o Redistributions of source code must retain the above copyright

  * notice, this list of conditions and the following disclaimer.

  *

  *  o Redistributions in binary form must reproduce the above copyright

  * notice, this list of conditions and the following disclaimer in the

  * documentation and/or other materials provided with the distribution.

  *

  *  o Neither the name of Ben Fortuna nor the names of any other contributors

  * may be used to endorse or promote products derived from this software

  * without specific prior written permission.

  *

  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR

  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR

  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF

  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING

  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS

  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

  */

 package net.fortuna.ical4j.model.property;

 import java.text.ParseException;

 import net.fortuna.ical4j.model.Date;

 import net.fortuna.ical4j.model.ParameterList;

 import net.fortuna.ical4j.model.PropertyFactoryImpl;

 import net.fortuna.ical4j.model.TimeZone;

 import net.fortuna.ical4j.model.ValidationException;

 /**

  * $Id$

  * 

  * Created: [Apr 6, 2004]

  *

  * Defines a DTEND iCalendar component property.

  * 

  * <pre>

  *     4.8.2.2 Date/Time End

  *     

  *        Property Name: DTEND

  *     

  *        Purpose: This property specifies the date and time that a calendar

  *        component ends.

  *     

  *        Value Type: The default value type is DATE-TIME. The value type can

  *        be set to a DATE value type.

  *     

  *        Property Parameters: Non-standard, value data type, time zone

  *        identifier property parameters can be specified on this property.

  *     

  *        Conformance: This property can be specified in "VEVENT" or

  *        "VFREEBUSY" calendar components.

  *     

  *        Description: Within the "VEVENT" calendar component, this property

  *        defines the date and time by which the event ends. The value MUST be

  *        later in time than the value of the "DTSTART" property.

  *     

  *        Within the "VFREEBUSY" calendar component, this property defines the

  *        end date and time for the free or busy time information. The time

  *        MUST be specified in the UTC time format. The value MUST be later in

  *        time than the value of the "DTSTART" property.

  *     

  *        Format Definition: The property is defined by the following notation:

  *     

  *          dtend      = "DTEND" dtendparam":" dtendval CRLF

  *     

  *          dtendparam = *(

  *     

  *                     ; the following are optional,

  *                     ; but MUST NOT occur more than once

  *     

  *                     (";" "VALUE" "=" ("DATE-TIME" / "DATE")) /

  *                     (";" tzidparam) /

  *     

  *                     ; the following is optional,

  *                     ; and MAY occur more than once

  *     

  *                     (";" xparam)

  *     

  *                     )

  *     

  *     

  *     

  *          dtendval   = date-time / date

  *          ;Value MUST match value type

  * </pre>

  * 

  * Examples:

  * 

  * <pre>

  *      // construct an end date from a start date and a duration..

  *      DtStart start = ...

  *      Dur oneWeek = new Dur("1W");

  *      DtEnd end = new DtEnd(oneWeek.getTime(start.getDate());

  * </pre>

  * 

  * @author Ben Fortuna

  */

 public class DtEnd extends DateProperty {

     private static final long serialVersionUID = 8107416684717228297L;

     /**

      * Default constructor. The time value is initialised to the time of instantiation.

      */

     public DtEnd() {

         super(DTEND, PropertyFactoryImpl.getInstance());

     }

     /**

      * Creates a new DTEND property initialised with the specified timezone.

      * @param timezone initial timezone

      */

     public DtEnd(TimeZone timezone) {

         super(DTEND, timezone, PropertyFactoryImpl.getInstance());

     }

     /**

      * Creates a new instance initialised with the parsed value.

      * @param value the DTEND value string to parse

      * @throws ParseException where the specified string is not a valid DTEND value representation

      */

     public DtEnd(final String value) throws ParseException {

         super(DTEND, PropertyFactoryImpl.getInstance());

         setValue(value);

     }

     /**

      * Creates a new DTEND property initialised with the specified timezone and value.

      * @param value a string representation of a DTEND value

      * @param timezone initial timezone

      * @throws ParseException where the specified value is not a valid string

      * representation

      */

     public DtEnd(String value, TimeZone timezone) throws ParseException {

         super(DTEND, timezone, PropertyFactoryImpl.getInstance());

         setValue(value);

     }

     /**

      * @param aList a list of parameters for this component

      * @param aValue a value string for this component

      * @throws ParseException when the specified string is not a valid date/date-time representation

      */

     public DtEnd(final ParameterList aList, final String aValue)

             throws ParseException {

         super(DTEND, aList, PropertyFactoryImpl.getInstance());

         setValue(aValue);

     }

     /**

      * Constructor. Date or Date-Time format is determined based on the presence of a VALUE parameter.

      * @param aDate a date

      */

     public DtEnd(final Date aDate) {

         super(DTEND, PropertyFactoryImpl.getInstance());

         setDate(aDate);

     }

     /**

      * Constructs a new DtEnd with the specified time.

      * @param time the time of the DtEnd

      * @param utc specifies whether time is UTC

      */

     public DtEnd(final Date time, final boolean utc) {

         super(DTEND, PropertyFactoryImpl.getInstance());

         setDate(time);

         setUtc(utc);

     }

     /**

      * Constructor. Date or Date-Time format is determined based on the presence of a VALUE parameter.

      * @param aList a list of parameters for this component

      * @param aDate a date

      */

     public DtEnd(final ParameterList aList, final Date aDate) {

         super(DTEND, aList, PropertyFactoryImpl.getInstance());

         setDate(aDate);

     }

     /**

      * {@inheritDoc}

      */

     public final void validate() throws ValidationException {

         super.validate();

         /*

          * ; the following are optional, ; but MUST NOT occur more than once (";" "VALUE" "=" ("DATE-TIME" / "DATE")) /

          * (";" tzidparam) /

          */

         /*

          * ; the following is optional, ; and MAY occur more than once (";" xparam)

          */

     }

 }