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From Ryan McVeigh <rmcve...@ziaconsulting.com>
Subject Re: Understanding the CMIS spec
Date Wed, 01 Jun 2011 01:17:13 GMT
CMIS doesn't expose a user object, so you're stuck here - but at least you
have enough to call a platform specific service to get a better
representation of the data for presentation purposes.

-Ryan

On Tue, May 31, 2011 at 7:10 PM, Naresh Bhatia <bhatian@comcast.net> wrote:

> Forgot to mention that cmis:createdBy returns the username in case of
> Alfresco instead of first and last name - that doesn't work for me. Sorry
> to
> comment on implementation specifics again, but just wanted to clarify that
> I
> was hoping for a platform agnostic way to do this.
>
> In any case, I will direct future platform specific questions to Alfresco
> forums. Hopefully some of this stuff is configurable.
>
> Thanks again for your help.
>
> Naresh
>
>
> On Tue, May 31, 2011 at 8:58 PM, Naresh Bhatia <bhatian@comcast.net>
> wrote:
>
> > Thanks Ryan. I was using Alfresco just as an example. I was rather hoping
> > that this would be a common use case handled by the CMIS/OpenCMIS and I
> > would be able to do this in a platform agnostic way. But may be that's
> not
> > true.
> >
> > BTW, is there any extension mechanism in CMIS to add adhoc properties?
> >
> > Thanks.
> > Naresh
> >
> >
> > On Tue, May 31, 2011 at 8:41 PM, Ryan McVeigh <
> rmcveigh@ziaconsulting.com>wrote:
> >
> >> These are Alfresco-specific questions and should be sent to the Alfresco
> >> CMIS forum.  However, you can use cmis:createdBy for author.  I don't
> >> recall
> >> what Alfresco does for a description offhand.
> >>
> >> -Ryan
> >>
> >> On Tue, May 31, 2011 at 5:53 PM, Naresh Bhatia <bhatian@comcast.net>
> >> wrote:
> >>
> >> > One follow up question - I have a requirement to show the following
> >> > attributes for a document on my front-end:
> >> >
> >> >   - Title
> >> >   - Description
> >> >   - Full author name (e.g John Smith)
> >> >
> >> > What's the best way to do this with CMIS/OpenCMIS? Here's what I have
> >> > tried:
> >> >
> >> >   - Title: I am thinking of using cmis:name for this, although there
> >> seems
> >> >   to a minor glitch. When I upload a document to my CMIS repository
> (an
> >> >   Alfresco instance) it sets cmis:name and cmis:contentStreamFileName
> to
> >> > the
> >> >   filename, e.g. yearly-report.pdf. However when I change the
> document's
> >> > name
> >> >   from Alfresco's front-end, it not only changes the cmis:name but
> also
> >> >   the cmis:contentStreamFileName. I was not expecting the latter to
> >> change
> >> > and
> >> >   don't know if it has any bad side-effects.
> >> >   - Description: Don't know how to handle this!
> >> >   - Full author name: Don't know how to handle this!
> >> >
> >> > Any suggestions?
> >> >
> >> > Thanks.
> >> > Naresh
> >> >
> >> >
> >> > On Tue, May 31, 2011 at 4:08 PM, Ryan McVeigh <
> >> rmcveigh@ziaconsulting.com
> >> > >wrote:
> >> >
> >> > > Those attributes at the top are atom elements, not CMIS ones.  The
> >> spec
> >> > > identifies what they should be though - for example title should be
> >> > > cmis:name.  The properties are all accessible but perhaps not
> exposed
> >> > from
> >> > > the OpenCMIS API when using the AtomPub binding of the server.  This
> >> is
> >> > > likely because the same properties aren't available in the web
> >> services
> >> > > binding (e.g. summary), and OpenCMIS should be binding agnostic. 
To
> >> > write
> >> > > a
> >> > > reasonably portal and binding-agnostic application, I'd suggest only
> >> > > relying
> >> > > on CMIS-specified properties instead of those from the atom entry.
> >> > >
> >> > > -Ryan
> >> > >
> >> > > On Tue, May 31, 2011 at 2:01 PM, Naresh Bhatia
> >> > > <naresh.archfirst@gmail.com>wrote:
> >> > >
> >> > > > I am trying to understand the CMIS spec by looking at the Atom
> >> output
> >> > > from
> >> > > > Alfresco. From the spec it looks like most CMIS attributes are
> >> > > represented
> >> > > > as Object properties. However when I look at the Atom output,
> there
> >> are
> >> > > > similar attributes floating outside of properties. For example
> >> (highly
> >> > > > simplified output):
> >> > > >
> >> > > > <entry>
> >> > > >
> >> > > >    <author>
> >> > > >        <name>nbhatia</name>
> >> > > >    </author>
> >> > > >
> >> > > >    <id>urn:uuid:5c92e5a7-8563-4a15-8b92-bb4d8ae55ae0</id>
> >> > > >
> >> > > >    <title>cmis-article.pdf</title>
> >> > > >
> >> > > >    <summary>Examples using CMIS, Abdera, &amp; Chemistry</summary>
> >> > > >
> >> > > >    <published>2011-05-25T17:15:36.740Z</published>
> >> > > >
> >> > > >    <updated>2011-05-25T17:15:40.045Z</updated>
> >> > > >
> >> > > >    <cmisra:object>
> >> > > >        <cmis:properties>
> >> > > >            <cmis:propertyString
> >> propertyDefinitionId="cmis:createdBy">
> >> > > >                <cmis:value>nbhatia</cmis:value>
> >> > > >            </cmis:propertyString>
> >> > > >
> >> > > >            <cmis:propertyId propertyDefinitionId="cmis:objectId">
> >> > > >
> >> > > >
> >> > > >
> >> > >
> >> >
> >>
> <cmis:value>workspace://SpacesStore/5c92e5a7-8563-4a15-8b92-bb4d8ae55ae0</cmis:value>
> >> > > >            </cmis:propertyId>
> >> > > >
> >> > > >            <cmis:propertyString propertyDefinitionId="cmis:name">
> >> > > >                <cmis:value>cmis-article.pdf</cmis:value>
> >> > > >            </cmis:propertyString>
> >> > > >
> >> > > >            <cmis:propertyDateTime
> >> > > propertyDefinitionId="cmis:creationDate">
> >> > > >                <cmis:value>2011-05-25T17:15:36.740Z</cmis:value>
> >> > > >            </cmis:propertyDateTime>
> >> > > >
> >> > > >            <cmis:propertyDateTime
> >> > > > propertyDefinitionId="cmis:lastModificationDate">
> >> > > >                <cmis:value>2011-05-25T17:15:40.045Z</cmis:value>
> >> > > >            </cmis:propertyDateTime>
> >> > > >        </cmis:properties>
> >> > > >    </cmisra:object>
> >> > > >
> >> > > > </entry>
> >> > > >
> >> > > >
> >> > > >   - Are the attributes at the top (author, id, title, summary,
> >> > published,
> >> > > >   updated) accessible via CMIS?
> >> > > >   - Why are the values of <id> and CMIS property objectId
> different?
> >> > > >   - Is the <summary> value accessible via CMIS? It does
not seem
> to
> >> be
> >> > a
> >> > > >   CMIS object property.
> >> > > >
> >> > > >
> >> > > > Thanks.
> >> > > > Naresh Bhatia
> >> > > >
> >> > >
> >> > >
> >> > >
> >> > > --
> >> > > Ryan McVeigh
> >> > > Director of Enterprise Integration
> >> > >
> >> > > office: 303.443.4004 x204
> >> > > cell: 720.841.4838
> >> > > fax: 877.569.7942
> >> > > Follow Me:
> >> > > <http://twitter.com/#!/rmcveigh>
> >> > > <http://www.linkedin.com/in/rmcveigh><
> >> > > http://www.ziaconsulting.com/blog/rmcveigh>
> >> > >
> >> >
> >>
> >>
> >>
> >> --
> >> Ryan McVeigh
> >> Director of Enterprise Integration
> >>
> >> office: 303.443.4004 x204
> >> cell: 720.841.4838
> >> fax: 877.569.7942
> >> Follow Me:
> >> <http://twitter.com/#!/rmcveigh>
> >> <http://www.linkedin.com/in/rmcveigh><
> >> http://www.ziaconsulting.com/blog/rmcveigh>
> >>
> >
> >
>



-- 
Ryan McVeigh
Director of Enterprise Integration

office: 303.443.4004 x204
cell: 720.841.4838
fax: 877.569.7942
Follow Me:
<http://twitter.com/#!/rmcveigh>
<http://www.linkedin.com/in/rmcveigh><http://www.ziaconsulting.com/blog/rmcveigh>

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