Mapping ICOM Calendar to iCalendar VEVENT

For the TC Meeting discussions tomorrow, please review the mappings between ICOM Calendar and icalendar (http://tools.ietf.org/html/rfc5545):

Figure 1 UML Class Diagram of ICOM Calendar

   The body of the iCalendar object consists of a sequence of calendar

   properties and one or more calendar components.  The calendar

   properties are attributes that apply to the calendar object as a

   whole.  The calendar components are collections of properties that

   express a particular calendar semantic.  For example, the calendar

   component can specify an event, a to-do, a journal entry, time zone

   information, free/busy time information, or an alarm.

   The body of the iCalendar object is defined by the following

   notation:

       icalbody   = calprops component

       calprops   = *(

                  ; The following are REQUIRED,

                  ; but MUST NOT occur more than once.

                  prodid / version /

                  ; The following are OPTIONAL,

                  ; but MUST NOT occur more than once.

                  calscale / method /

                  ; The following are OPTIONAL,

                  ; and MAY occur more than once.

                  x-prop / iana-prop

       component  = 1*(eventc / todoc / journalc / freebusyc /

                    timezonec / iana-comp / x-comp)

       iana-comp  = "BEGIN" ":" iana-token CRLF

                    1*contentline

                    "END" ":" iana-token CRLF

       x-comp     = "BEGIN" ":" x-name CRLF

                    1*contentline

                    "END" ":" x-name CRLF

Figure 2 Mapping icalendar to ICOM Calendar

3.6.1. Event Component

Component Name: VEVENT

Purpose: Provide a grouping of component properties that describe an

event.

Format Definition: A "VEVENT" calendar component is defined by the

following notation:

eventc = "BEGIN" ":" "VEVENT" CRLF

eventprop *alarmc

"END" ":" "VEVENT" CRLF

eventprop = *(

;

; The following are REQUIRED,

; but MUST NOT occur more than once.

                  dtstamp / uid /

                  ; The following is REQUIRED if the component

                  ; appears in an iCalendar object that doesn't

                  ; specify the "METHOD" property; otherwise, it

                  ; is OPTIONAL; in any case, it MUST NOT occur

                  ; more than once.

                  dtstart /

                  ; The following are OPTIONAL,

                  ; but MUST NOT occur more than once.

                  class / created / description / geo /

                  last-mod / location / organizer / priority /

                  seq / status / summary / transp /

                  url / recurid /

                  ; The following is OPTIONAL,

                  ; but SHOULD NOT occur more than once.

                  rrule /

                  ; Either 'dtend' or 'duration' MAY appear in

                  ; a 'eventprop', but 'dtend' and 'duration'

                  ; MUST NOT occur in the same 'eventprop'.

                  dtend / duration /

                  ; The following are OPTIONAL,

                  ; and MAY occur more than once.

                  attach / attendee / categories / comment /

                  contact / exdate / rstatus / related /

                  resources / rdate / x-prop / iana-prop

recurrence properties ("RRULE", "RDATE", "EXDATE")

Occurrence	iCalendar VEVENT	OccurrenceSeries
	dtstamp
	class
	geo
false	seq	true
	recurid
	contact
objectid	uid	objectid
name		name
creationDate	created	creationDate
createdBy		createdBy
lastModificationDate	last-mod	lastModificationDate
lastModifiedBy		lastModifiedBy
parent		parent
owner		owner
attachedMarkers	categories	attachedMarkers
categoryApplications		categoryApplications
tagApplications		tagApplications
accessControlList		accessControlList
relationships	related	relationships
	resources
description	description	description
editable,		editable,
startDate,	dtstart	startDate,
startDateResolution,		startDateResolution,
endDate,	dtend	endDate,
endDateResolution,		endDateResolution,
		recurrenceStartDate
		recurrenceStartDateResolution
	duration	duration
	rrule	recurrenceRule
	exdate
	rstatus
	rdate
		occurrences
organizer,	organizer	organizer,
participants,		participants,
occurrenceSeries,
fromRecurringOccurrenceSeries,
exceptionToOccurrenceSeries,
occurrenceStatus,		occurrenceStatus,
occurrenceType,		occurrenceType,
	url
	summary
	comment
location	location	location
attachments,	attach	attachments,
attendee,	attendee	attendee,
attendeePriority,	priority	attendeePriority,
attendeeParticipantStatus,	status	attendeeParticipantStatus,
attendeeTransparency,	transp	attendeeTransparency,
attendeeProperties,	x-prop	attendeeProperties,
	iana-prop
conference		conference

Figure 3 Mapping iCalendar VEVENT to ICOM Occurrence and OccurrenceSeries

Regards,

Eric

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