Re: Export to where?

From: David Huynh <>
Date: Thu, 29 Sep 2005 21:26:51 -0400

After more tinkering, it seems that we can have our cake and eat it too.
A fix has been made so that Piggy Bank does not content-handle its own
export N3.


Stefano Mazzocchi wrote:

> Stefano Mazzocchi wrote:
>> David Huynh wrote:
>>> Joel Shprentz wrote:
>>>> To where does Piggy Bank export the current items as
>>>> RDF?
>>> That's a bug. It should make the browser prompt you for where to
>>> save the HTTP response (as an N3 file). It doesn't work right now
>>> because it seems that Piggy Bank is tripping on its own foot in
>>> detecting the content type of the response as application/n3 and
>>> trying to import it back in...
>>> Thanks! We're on it!
>> D'oh! my fault, didn't think of that one.
> Ok, this is nastier than I expected.
> So, I tried to avoid invoking our own content loader if the request
> comes from localhost as a workaround, but this doesn't work because
> the request object (that contains the URL) is not passed to find out
> whether or not the content handler should be invoked (only the
> mime-type is).
> Also, I couldn't find a way to stop the loading from our own loader
> and return something that would be able to invoke it.
> Now, this made me wonder if we are taking the wrong approach: one of
> the things that made the web successful was the 'view source' ability.
> Now, if piggybank takes control of your RDF, there is no (easy) way to
> see the textual representation of the RDF serialization.
> So, I wonder:
> 1) should Piggy Bank try to load the RDF right away (and therefore
> make it hard to use your browser for anything else that is RDF
> related, including downloading piggy-bank's own raw RDF export)?
> or
> 2) should Piggy Bank just show the data-coin icon and let the users
> click when needed?
> 3) or should the behavior be configurable? (unfortunately, it's an
> all/nothing configuration, you can't have a per-URL or per-URL regexp
> configuration, or I wouldn't be writing this email)
> Eric claims that every time we force users to click, we lose half of
> them. I'm not sure I buy that, but he has a point in wanting to make
> the RDF experience the most streamlined as possible.
> There is a fourth alternative:
> 4) return the Piggy bank export RDF as "text/plain" (or something
> else such as "application/vnd.piggy-bank.export" to avoid the mime
> type handler to get invoked.
> Thoughts?
Received on Fri Sep 30 2005 - 01:23:59 EDT

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