Wednesday, August 17, 2011

Reacting To File System Events with Java 7

File system events occurs whenever a file or directory are created or modified in Windows or any other operating systems. Java 7 introduces new API called WatchService in the java.nio.file package for monitoring file system events. To test, I created a very short program in NetBeans IDE 7.0.1 called (I name it after C# System.IO.FileSystemWatcher). Below is my 51 liner code -

The program is very short and it does a very simple thing:

  • Ask the default file system to create a new WatchService instance.
  • Watch the specific path for create and delete file system event;
  • And when the file system event occur notify all the subscribed

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