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Page history last edited by Rob Dolin 14 years, 1 month ago


The "folder" object type represents a collection of files similarly to how the "photo album" object type represents a collection of "photos."

The object type URL for the "folder" object type is http://activitystrea.ms/schema/1.0/folder.

The folder object type has the following properties:

(MUST) title
The title or short caption assigned to the folder by the author. Included as the content of the atom:title element.
(MAY) thumbnail
The URL and metadata for a preview image for the folder. The URL is represented as the value of the href attribute on an atom:link element with rel preview and a type of either image/jpeg, image/png or image/gif. Publishers SHOULD include media:width and media:height attributes on the atom:link element describing the dimensions of the linked image. Processors MAY ignore thumbnails that are of an inappropriate size for their user interface.
(SHOULD) folder page URL
The URL of a web page where the folder can be viewed. Represented as the value of the href attribute on an atom:link element with a rel value of alternate and a type value of text/html.

The most common verbs used in conjunction with a folder are likely to be Post (uploading a new file to a folder) and Save (saving an existing file to a folder)




John Smith posted PageViews.xlsx to January 2010 Metrics

Jane Doe saved PartyInvitation.pdf to Vegas Weekend


A folder is most often an <activity:target> where there are one or more File <activity:object>'s

If a file is nested in multiple folders (ex: c:\foo\bar\baz\file.ext), the folder furthest down in the heirarchy should be used (ex: baz)



Potential implementors could include GoogleDocs, Box.net, Windows Live SkyDrive, and other file sharing services.


This page was initially created by Rob Dolin.  Others are welcome and encourage to contribute and add-on as maintainers.

Comments (3)

Monica Wilkinson said

at 10:39 pm on Mar 3, 2010

in the example Wouldn't the verb be "save" ?

Monica Wilkinson said

at 10:39 pm on Mar 3, 2010

always ?

Rob Dolin said

at 9:59 am on Mar 4, 2010

I think verb choice (post vs. save) depends on the implementer. The common case I was thinking of would use the "post" verb for the initial create/upload and the "save" verb for subsequent saves of the document.

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