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I’m trying to build a polling service in Java that checks for updates from a RSS feed.
On detecting new items, it should only send new items further on in the system.
Is there an API that does this or would I have to do the comparison checks myself?
At the moment, my poller just returns what it currently sees causing duplicates in my system.
Similar to what you require is available in Informa
“Poller module is intended to provide convenient services for background polling of channel changes”
http://informa.sourceforge.net/poller.html