file monitor : Java Glossary

file monitor
Geosoft’s FileMonitor and FileListener monitor specified files or directories in a file system. They come as Java jars. The monitor uses polling with at a specified polling interval, and report creation, changes and deletion through the listening interface.

Ideally, you would like to avoid polling and have instant notification of changes. To do this would require OS-specific JNI (Java Native Interface) code to hook into the native file system. This would also require high privilege.

FileMonitor.org: inexpensive utility to run your code when certain files are accessed
Files & directories
JNotify
ProcessMon: a free file monitor from SysInternals. Formerly FileMon. What files is this program using?
reinstaller: student project
Tawbaware: continuously displays dates and sizes of four files
VFS

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