Feedback wanted: Allowing policies to modify PolicyFailures emitted by *other* policies in chain
by Marc Savy
Marvin Oßwald filed a really interesting issue:
https://issues.jboss.org/browse/APIMAN-1300
In short, if we imagine a policy chain like this:
[CORS, PolicyA, PolicyB]
Even if PolicyB emits a failure, then the CORS policy would likely
still want to be able to process the PolicyFailure to add the relevant
headers (otherwise a SPA type app like Angular would break).
This seems like a valid use-case.
Ideally I'd like to tackle this without breaking any existing interfaces.
A couple of quick ideas:
* Add a new interface that policies like CORS could implement that
indicates it wants to do this kind of processing. E.g.
IFailureProcessor or similar with a simple method signature like
#process(PolicyFailure failureToModify).
* An annotation: essentially the same as above, but with a
@WhateverWeCallIt annotation on the method that does the processing.
5 years, 9 months
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