Hi Robert,
thank you for your fast reply.
We cannot use the urlappend query parameter, because urlappend isn't service interface standard of our services hence clients won't include it in their requests. The clients won't use browsers and queries will contain continuous values, so using hash-fragment or 10320/loc for service queries are no options, I think.
Because we only have one server that provides the services, we use the namespace template to build the redirect URL from prefix, suffix, servicename and query. I observed that when I set the namespace template to '... <if value="extension" test="matches" _expression_="(service1|service2)[?](.+)" parameter="par_service_query"> ...' handles like hdl.handle.net/suffix/prefix@service1?query result in the default 10320/loc location, but when I set it to '... <if value="extension" test="matches" _expression_="(service1|service2)=(.+)" parameter="par_service_query"> ...' handles like hdl.handle.net/suffix/prefix@service1=query work. Characters behind the question mark in the extension seem to be cut off before the namespace template is applied. Is there a way to change this behavior?
Best regards,
Franziska
Am 19.04.21 um 17:52 schrieb Robert Tupelo-Schneck:
There are several ways to have variable behavior via hdl.handle.net resolution, which generally means changing the behavior on the web server to which hdl.handle.net resolution is redirected.
One, browsers will transmit the hash-fragment across a redirection. So https://hdl.handle.net/20.1000/5555#foo redirects to http://www.handle.net/#foo. The web page redirection can then act on the hash-fragment.
Two, the "urlappend" query parameter will append something to the URL. https://hdl.handle.net/20.1000/5555?urlappend=%3Ffoo=bar redirects to http://www.handle.net/?foo=bar.
Three, the locatt facility of 10320/loc multiple redirection may be relevant; note in particular the "locatt" facility. See https://www.handle.net/overviews/handle_type_10320_loc.html .
Additionally, template handles might be relevant. This is a way to have the handle server produce handle resolutions at resolution time, without needing to store all the handles. See Chapter 11 of the Handle Technical Manual http://www.handle.net/tech_manual/HN_Tech_Manual_9.pdf.
Best,Robert
On Mon, Apr 19, 2021 at 11:15 AM Franziska Weng <fweng@geomar.de> wrote:
Hi all,
is it possible to use a question mark in a handle extension? If so,
which server settings do I need to change?
We would like to redirect to services and use queries, e.g.
hdl.handle.net/suffix/prefix@servicename?query.
Best regards,
Franziska
--
Franziska Weng
Information, Data and Computing Centre
GEOMAR
Helmholtz Centre for Ocean Research Kiel
Wischhofstr. 1-3
D-24148 Kiel, Germany
Room: 01/111 (Entrance 2)
Tel: +49 (0)431 / 600-2173
E-Mail:fweng@geomar.de
https://www.geomar.de
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-- Franziska Weng Information, Data and Computing Centre GEOMAR Helmholtz Centre for Ocean Research Kiel Wischhofstr. 1-3 D-24148 Kiel, Germany Room: 01/111 (Entrance 2) Tel: +49 (0)431 / 600-2173 E-Mail:fweng@geomar.de https://www.geomar.de
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