Konrad Windszus created SLING-4010:
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Summary: Allow validator to set a custom failure message
Key: SLING-4010
URL: https://issues.apache.org/jira/browse/SLING-4010
Project: Sling
Issue Type: Improvement
Components: Extensions
Reporter: Konrad Windszus
Currently the Validator may only return a boolean value or an exception in case
the validator was called with invalid parametrization
(https://github.com/apache/sling/blob/trunk/contrib/validation/api/src/main/java/org/apache/sling/validation/api/Validator.java).
In some cases the validator could give some important information about why the
validation failed. This is e.g. the cause for a reference validator where the
cause for a failed validation could be:
# referenced resource is not existent
# referenced resource is not having the right resource type
# referenced resource is not activated
So instead of only returning a boolean value, it should also be possible to
return a failure message.
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