How is data stored on a CardDav server?

Question

I wanted to ask a question about server data. I am new to server programming, but I have to learn about the CardDav server (CardDav is developed by the WebDav).

I only know the CardDav server is used to hold the address book data, but what form of the data does the server actually hold (e.g. .CSV or .txt)? Can anyone help me? Thank you very much.

score 8 · Answer 1 · answered Aug 11 '10 at 09:50

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The format on the server is up to the server. The format on the wire is vCard (RFC 2426, to be updated soonish).

answered Aug 11 '10 at 09:50

Julian Reschke

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thank you for your reply. As I am the green of the server programming, would you mind to explain what is 'format on the wire'? Thank you. – Questions Aug 11 '10 at 09:54
"Format on the wire" refers to what is sent in HTTP messages, as opposed to what happens inside the server. – Julian Reschke Aug 13 '10 at 06:40
This answer is the better one. – Jesse Dhillon Aug 24 '10 at 07:21

score 2 · Accepted Answer · edited Oct 07 '21 at 05:59

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The file format used is vCard; the wikipedia entry contains a basic explanation of the file format: http://en.wikipedia.org/wiki/VCard

For the gory details, take a look at RFC2426: https://www.rfc-editor.org/rfc/rfc2426

edited Oct 07 '21 at 05:59

Community

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answered Aug 11 '10 at 08:26

Greg S

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would you mind I ask one more question about the server. What is the file type stored of the CalDav server. Thank you. – Questions Aug 11 '10 at 08:35
@MarkSiu: this depends on the CalDAV server, there are several implementations. Atmail (http://atmail.com/), for example, uses a MySQL database, and I assume that other products also use a similar approach. – Greg S Aug 11 '10 at 08:55
thank you for your reply. I found some information in the wiki and I found that one of the format is the iCalendar. Is it right? – Questions Aug 11 '10 at 09:05

How is data stored on a CardDav server?

2 Answers2