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IdAS String Filters
Contents
Problem
While the current IFilter, IFilterAssertion (and sub-interfaces) are adequate to perform complex searches across an IdAS context, it is cumbersome to code to them. Furthermore, there is currently no way to represent a filter using a string such that it could be passed easily across a wire protocol
Proposals
ABNF
The following ABNF could be used to represent filters as strings. Note that I simply looked at the way today's IFilter is and extrapolated an ABNF.
filter = LP filteritem RP filteritem = assertion / and / or / not assertion = comparator SP resource SP value and = AMP 1*filter or = BAR 1*filter not = EXC filter comparator = resource = value =