U may encode the blob in a base64 and pass it in the rest response. But I think is better to pass a plain url and fetch the blob only when required by client.
Amedeo Sent from my iPhone On 20/lug/2012, at 22:52, Kieran Kelleher <[email protected]> wrote: > Just curious how others are handling image (blob/binary) attributes in REST > responses. > > For example, I have a REST EO named Media that has a blob attribute key > 'content', typically containing an image. The Media entity also has the mime > type, image dimensions, etc as attributes. > > What I did was omit the 'content' key from the response and added an > additional direct action named contentAction to the MediaController class > that simply returns the object itself as a response content with the > appropriate mime type. > > For example, a url like this for the Media object > https:// .......... /Media/28747.xml > > returns sth like this: > <CTMedia id="28747" objectType="Media"> > <mimeType>image/jpeg</mimeType> > <pixelHeight type = "integer">825</pixelHeight> > <pixelWidth type = "integer">1275</pixelWidth> > </CTMedia> > > And to get the actual blob... > https:// .......... /Media/28747/content > > Extensions such as .xml or.json on the url are ignored since response > content-type header will reflect the mime type. > > Is there other approaches you guys are using, or even other "standard" > approaches for handling binary attributes in REST responses? For example, > should a derived attribute be added to the object response to indicate the > URL..... sth like this?? > > <CTMedia id="28747" objectType="Media"> > <content type="url">/app/Media/28747/content</mimeType> > <mimeType>image/jpeg</mimeType> > <pixelHeight type = "integer">825</pixelHeight> > <pixelWidth type = "integer">1275</pixelWidth> > </CTMedia> > > Thoughts? > > -Kieran > _______________________________________________ > Do not post admin requests to the list. They will be ignored. > Webobjects-dev mailing list ([email protected]) > Help/Unsubscribe/Update your Subscription: > https://lists.apple.com/mailman/options/webobjects-dev/amedeomantica%40me.com > > This email sent to [email protected] _______________________________________________ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list ([email protected]) Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to [email protected]
