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bundling filewatcher in web application

 
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All - I have implemented a simple file watcher listening to a particular shared directory for reading new files. This code is actually part of large code base which is shipped as a web application so don't have the option to run it as standalone program. I wanted to check how best can i put the file watcher in action to run it every time the web app is up.
Is servlet listener the right option or message driven bean?

Let know your thoughts.

Thanks,
 
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If you want to do something when the web app starts, a context listener is what you seek.
 
Consider Paul's rocket mass heater.
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