Hi Andrea, Jody,

Thanks for the responses. I think the CatalogListener is exactly what I'm looking for.

Jim

On 01/22/2015 02:21 AM, Andrea Aime wrote:
On Wed, Jan 21, 2015 at 8:33 PM, Jim Hughes <jn...@ccri.com <mailto:jn...@ccri.com>> wrote:

    Hi all,

    I'm wondering if there is any existing capability to generate
    notifications when something of interest in GeoServer changes.

    For example, if I register a new layer, would there be a way to
    generate
    an alert or other message which would let downstream consumers know
    about the new info available?


Yes, you just have to drop into GeoServer a new jar with a CatalogListener
implementation of your own, and its registration in applicationContext.xml. If you are interested in data changes via wfs-t we also have transaction listener
extension points.

Cheers
Andrea

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