[OASIS Issue Tracker] Commented: (CMIS-183) Document thumbnailproposal

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    [ http://tools.oasis-open.org/issues/browse/CMIS-183?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=10650#action_10650 ] 

David Caruana commented on CMIS-183:
------------------------------------

From Al Brown (10th May / Mailing List):

Thanks for putting this on paper. I think this would be good to get in the spec. I also think it can be done in a way without creating a new optional behavior and thus expose this information to the client if it is available on the server. I do have a couple of comments: :)

1. I'd like to remove the preview relationship type and express as a service (getPreviews) that returns an XML structure with the information
This allows the repository flexibility to implement in a variety of ways. The only thing that is lost is the ability to search for documents with a certain preview. I think that is okay since that is not the intent of the proposal. Of course, repositories are permitted (if they chose) to expose and implement via a relationship.

2. I'd use 'alternate' instead of 'preview' as a link relation
You can specify the mime/type

3. I would add in a notion of icon at the type and object level
I would probably use an uri property (cmis:icon) on the object level and leave it repository specific whether it is searchable. on the type definition I would add an URI field for the icon.

> Document thumbnail proposal
> ---------------------------
>
>                 Key: CMIS-183
>                 URL: http://tools.oasis-open.org/issues/browse/CMIS-183
>             Project: OASIS Content Management Interoperability Services (CMIS) TC
>          Issue Type: New Feature
>          Components: Domain Model, REST/AtomPub Binding, Web Services Binding
>            Reporter: David Caruana
>            Assignee: Ethan Gur-esh
>
> A proposal for allowing a client to retrieve previews (e.g. thumbnail) of a document via the CMIS bindings.
> http://www.oasis-open.org/committees/download.php/32477/document_preview_proposal_v0.2.txt

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