Java has a mechanism for defining protocol handlers, and that alone should get you past the MalformedURLException for redirected streams. Getting Fedora to retrieve the datastream would be a problem, but you could always write an ExternalContentManager.
On 12/2/10, Steve Bayliss <stephen.bayl...@acuityunlimited.net> wrote: > Hi Jörg > > I can see a use-case for having an extensible mechanism for resolution of > different identifier schemes. > > So rather than write a separate ExternalContentManager, it would be useful > to configure a chain of ProtocolResolvers, each one responsible for a > particular protocol/scheme. So people could add whichever ProtocolResolvers > were appropriate to their needs (so, http, file, irods, doi, etc etc). > > Regards > steve > > > -----Original Message----- > From: Jörg Panzer [mailto:pan...@sub.uni-goettingen.de] > Sent: 02 December 2010 11:39 > To: Support and info exchange list for Fedora users. > Subject: Re: [fcrepo-user] Control Group - supported URL schemes > > > Hello Steve, > > > we plan to use fedora as frontend for iRODS. So, we will allow direct ingest > in iRODS. The ingested files are subsequently registered in fedora by an > callback mechanism. > > > The idea was, to do this with an "external referenced" datastream. > > > <foxml:datastream ID="DS5" STATE="A" CONTROL_GROUP="E" VERSIONABLE="true"> > <foxml:datastreamVersion ID="DS5.0" LABEL="ds5 label" > CREATED="2010-12-02T10:45:17.785Z" MIMETYPE="application/pdf"> > <foxml:contentLocation TYPE="URL" > REF="irods://zone/home/user/datastreams/info:fedora/test:1/DS5/DS5.0"/> > </foxml:datastreamVersion> > </foxml:datastream> > > > So i take a look at ExternalContentManager and > DefaultExternalContentManager. > > > Thanks, > Jörg > > -- > > > Am 02.12.2010 um 10:31 schrieb Steve Bayliss: > > > Hi Jörg > > Currently only http and file protocols are supported. > > External content is managed by an ExternalContentManager - the only one > implemented currently is the DefaultExternalContentManager. This is > specified in fedora.fcfg so theoretically it's possible to provide an > alternative to manage other URI schemes (or indeed extend the existing > content manager to do this; perhaps some configuration information to > specify how different protocols should be resolved). > > For "R" datastreams Fedora simply issues a temporary redirect with the URI > to redirect to, so it would be the browser (or client) responsibility to > handle the resolution for non-http schemes. > > > > This sounds to me like, it is possible for "R" to use other schemes, but we > get a Malformed URL Exception on ingest. > > > For "E" datastreams the resolution is via the ExternalContentManager, so > implementation of additional URL schemes would be an option for these. > > What URL schemes would you like to see supported? > > Regards > Steve > > > > -----Original Message----- > From: Jörg Panzer [mailto:pan...@sub.uni-goettingen.de] > Sent: 02 December 2010 09:17 > To: Support and info exchange list for Fedora users. > Subject: [fcrepo-user] Control Group - supported URL schemes > > > Hello, > > can someone tell me, if there are other URL schemes supported for the > control groups "Redirect" and "External Referenced" in addition to "http"? > > Regards, > Jörg > > --- > Jörg-H. Panzer > > Georg-August-Universitaet Goettingen > State and University Library > ---------------------------------------------------------------------------- > -- > Increase Visibility of Your 3D Game App & Earn a Chance To Win $500! > Tap into the largest installed PC base & get more eyes on your game by > optimizing for Intel(R) Graphics Technology. Get started today with the > Intel(R) Software Partner Program. Five $500 cash prizes are up for grabs. > http://p.sf.net/sfu/intelisp-dev2dev > _______________________________________________ > Fedora-commons-users mailing list > Fedora-commons-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/fedora-commons-users > > > ---------------------------------------------------------------------------- > -- > Increase Visibility of Your 3D Game App & Earn a Chance To Win $500! > Tap into the largest installed PC base & get more eyes on your game by > optimizing for Intel(R) Graphics Technology. Get started today with the > Intel(R) Software Partner Program. Five $500 cash prizes are up for grabs. > http://p.sf.net/sfu/intelisp-dev2dev > _______________________________________________ > Fedora-commons-users mailing list > Fedora-commons-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/fedora-commons-users > > > > --- > Jörg-H. Panzer > > Georg-August-Universitaet Goettingen > State and University Library > > ------------------------------------------------------------------------------ Increase Visibility of Your 3D Game App & Earn a Chance To Win $500! Tap into the largest installed PC base & get more eyes on your game by optimizing for Intel(R) Graphics Technology. Get started today with the Intel(R) Software Partner Program. Five $500 cash prizes are up for grabs. http://p.sf.net/sfu/intelisp-dev2dev _______________________________________________ Fedora-commons-users mailing list Fedora-commons-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/fedora-commons-users
