[EP-tech] Re: Handles in EPrints

Yuri yurj at alfa.it
Tue Jan 8 11:35:43 GMT 2013


Il 08/01/2013 11:32, Ian Stuart ha scritto:
> The problem I had with handle servers was adding a new record: having
> created item 1234 in the repo, there was no way to inject that into the
> handle server.

Uhm, should handle register it? What is the problem?

>
> Your, what I would call "proxy pass", solution looks good. Can it be
> extended so one could do:
>
> http://hdl.handle.net/<your_prefix>/repo_id1/xyz ->
> http://your.repo1.url/xyz
>
> -and-
>
> http://hdl.handle.net/<your_prefix>/repo_id2/xyz ->
> http://your.repo2.url/xyz
>
> ?
> ('cos *that* would be really useful!)
>
> On 08/01/13 09:53, Jose Martin wrote:
>> In case someone is working with the Handle System (migrating from DSpace
>> to EPrints, for instance), version 7 brings template handles which make
>> it much easier to provide an EPrints repository with persistent URLs.
>>
>> While previous versions required a new record to be created in the local
>> Handle server database for every persistent URL like
>> http://hdl.handle.net/<prefix>/<item_id>  to be resolved, we are now able
>> to simply define a template that will map any
>>
>> http://hdl.handle.net/<your_prefix>/xyz
>>
>> to
>>
>> http://your.repo.url/xyz
>>
>> Assuming the following scenario:
>>
>> - 7.x Handle server set up and running
>>
>> - A prefix (institutional id registered in the Handle System) homed on
>> that server. We’ll use 123456 for this example
>>
>> - Your EPrints repository is located at http://your.repo.url
>>
>> Here is how:
>>
>> 1. For handle 123456: create a Simple URL with the value
>> http://your.repo.url
>>
>> 2. For handle 0.NA/123456: add an HS_NAMESPACE entry with the following
>> UTF8 Text value:
>>
>>       <namespace>
>>
>>         <template delimiter="/">
>>
>>           <foreach>
>>
>>             <if value="type" test="equals" expression="URL">
>>
>>                 <value data= "${data}/${extension}" />
>>
>>             </if>
>>
>>             <else>
>>
>>                 <value />
>>
>>             </else>
>>
>>           </foreach>
>>
>>         </template>
>>
>>       </namespace>
>>
>> And we’re done! Any URL with the format http://hdl.handle.net/123456/*
>> will be resolved as http://your.repo.url/*. Even non-valid handles, but
>> you get a lightweight local handle server that does the job.
>>
>> Especially dedicated to Ian and John, after our handles conversation at
>> OR2012   :)
>>
>> Cheers,
>>
>>                   Jose
>




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