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Post-Get Resource Plugin

Post-Get Resource Plugin

Usage

Post-Get Resource plugins are invoked after a resource has been retrieved, but before it is returned to the endpoint.  This is an opportunity to take any action on the response, including but not limited to:

  • logging
  • auditing
  • security filtering/redaction

Failure Behavior

In the event that this Catalog Plugin cannot operate but does not wish to fail the transaction, a PluginExecutionException will be thrown.  For any other Exceptions, the Catalog will "fail safe" and the Operation will be cancelled.  If processing is to be explicitly stopped, a StopProcessingException will be thrown.

Invocation

Post-Get Resource plugins are invoked serially, prioritized by descending OSGi service ranking.  That is, the plugin with the highest service ranking will be executed first. 

The output of the first plugin is sent to the next plugin, until all have executed and the response is returned to the requesting endpoint.