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Subject: Re: [xdi] How to get from =markus/+email to the actual data

Hello, one simple question regarding the subject "$" in the statement


is "$" referring to the authority which originates this message? E.g.  
if I'd be that authority, would the above statement be the same as




Def. Quota "Drummond Reed" <drummond.reed@cordance.net>:

> On Thu, Oct 1, 2009 at 1:38 PM, Markus Sabadello
> <markus.sabadello@xdi.org>wrote:
>> Hello XDI TC,
>> Someone asked me a question about the XDI4j library in Higgins and about
>> how XDI endpoints relate to XRI resolution. So I put together some commented
>> sample code which uses OpenXRI and XDI4j:
>> http://wiki.eclipse.org/XDI4j_Tutorial_6
>> The task is, given an XRI such as =markus/+email and nothing else, how do
>> you actually find and read the value (the e-mail address)?
>> Step by step, the code does the following:
>> 1. It resolves the authority part of the XRI (=markus) using standard XRI
>> resolution with an XDI service type, i.e. it looks for an XDI endpoint in
>> the i-name's XRD.
>> 2. After discovering that endpoint, it prepares and sends an XDI message
>> which looks like this:
>> $
>>    $get
>>       /
>>          =markus
>>             +email
>> 3. The XDI endpoint answers with the statement that matches the $get query:
>> =markus
>>    +email
>>       "markus.sabadello@gmail.com"
>> 4. In the end, the code prints out the literal from that statement.
>> In total, a few simple lines of actually working code that should
>> demonstrate how XRI and XDI work together.
>> Markus

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