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jfilewatcher is 100% java file watcher service to monitor files and folders - with file name patterns.

It polls file system to identify new, modified and deleted files. It keeps track all such changes and returns a new event context object when you ask for changes.

Look for wiki page to see more details ...

jfilewatcher Web Site


  • Global file lock to prevent mutliple file watchers watching same folder
  • Specify multiple file name patterns for same folder
  • Java 7 style single queue to get matching files
  • Caches file timestamps to prevent duplicates notifications
  • Notifications for NEW, DELETED and MODIFIED files
  • Uses plain old Runnable objects and java threads


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