ITimeZone


1   // The contents of this file are subject to the Mozilla Public License Version
2   // 1.1
3   //(the "License"); you may not use this file except in compliance with the
4   //License. You may obtain a copy of the License at http://www.mozilla.org/MPL/
5   //
6   //Software distributed under the License is distributed on an "AS IS" basis,
7   //WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
8   //for the specific language governing rights and
9   //limitations under the License.
10  //
11  //The Original Code is "The Columba Project"
12  //
13  //The Initial Developers of the Original Code are Frederik Dietz and Timo
14  // Stich.
15  //Portions created by Frederik Dietz and Timo Stich are Copyright (C) 2003.
16  //
17  //All Rights Reserved.
18  package org.columba.calendar.model.api;
19  
20  import java.net.URL  ;
21  
22  /**
23   * Defines an iCalendar VTIMEZONE component.
24   * <p>
25   * <pre>
26   * 4.6.5 Time Zone Component
27   * 
28   * Component Name: VTIMEZONE
29   * 
30   * Purpose: Provide a grouping of component properties that defines a time zone.
31   * 
32   * Formal Definition: A "VTIMEZONE" calendar component is defined by the
33   * following notation:
34   * 
35   * timezonec = "BEGIN" ":" "VTIMEZONE" CRLF
36   * 
37   * 2*(
38   *  ; 'tzid' is required, but MUST NOT occur more ; than once
39   * 
40   * tzid /
41   *  ; 'last-mod' and 'tzurl' are optional, but MUST NOT occur more than once
42   * 
43   * last-mod / tzurl /
44   *  ; one of 'standardc' or 'daylightc' MUST occur ..; and each MAY occur more
45   * than once.
46   * 
47   * standardc / daylightc /
48   *  ; the following is optional, ; and MAY occur more than once
49   * 
50   * x-prop
51   *  )
52   * 
53   * "END" ":" "VTIMEZONE" CRLF
54   * 
55   * standardc = "BEGIN" ":" "STANDARD" CRLF
56   * 
57   * tzprop
58   * 
59   * "END" ":" "STANDARD" CRLF
60   * 
61   * daylightc = "BEGIN" ":" "DAYLIGHT" CRLF
62   * 
63   * tzprop
64   * 
65   * "END" ":" "DAYLIGHT" CRLF
66   * 
67   * tzprop = 3*(
68   *  ; the following are each REQUIRED, ; but MUST NOT occur more than once
69   * 
70   * dtstart / tzoffsetto / tzoffsetfrom /
71   *  ; the following are optional, ; and MAY occur more than once
72   * 
73   * comment / rdate / rrule / tzname / x-prop
74   *  )
75   * </pre>
76   * 
77   * @author fdietz
78   * 
79   */
80  public interface ITimeZone extends IComponent {
81  
82      /**
83       * @return Returns the url.
84       */
85      public abstract URL   getTZUrl();
86  }
87
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