BAEL-973 Apache Commons Commons IO (#2262)

* BAEL-973 Apache Commons Commons IO * BAEL-973 : fix up formatting * BAEL-973 : review comments. * BAEL-973 : review comments. * BAEL-973 : review comments. * BAEL-973 : review comments. * BAEL-973 : review comments. * BAEL-973 : review comments.
2017-09-07 13:52:48 +10:00
parent 9f10f7c0f4
commit efbac53ec9
6 changed files with 199 additions and 0 deletions
@@ -0,0 +1,43 @@
+package com.baeldung.commons.io;
+
+import org.apache.commons.io.FileUtils;
+import org.apache.commons.io.monitor.FileAlterationListener;
+import org.apache.commons.io.monitor.FileAlterationListenerAdaptor;
+import org.apache.commons.io.monitor.FileAlterationMonitor;
+import org.apache.commons.io.monitor.FileAlterationObserver;
+
+import java.io.File;
+
+public class FileMonitor {
+
+    public static void main(String[] args) throws Exception {
+        File folder = FileUtils.getTempDirectory();
+        startFileMonitor(folder);
+    }
+
+    /**
+     * @param folder
+     * @throws Exception
+     */
+    public static void startFileMonitor(File folder) throws Exception {
+        FileAlterationObserver observer = new FileAlterationObserver(folder);
+        FileAlterationMonitor monitor = new FileAlterationMonitor(5000);
+
+        FileAlterationListener fal = new FileAlterationListenerAdaptor() {
+
+            @Override
+            public void onFileCreate(File file) {
+                // on create action
+            }
+
+            @Override
+            public void onFileDelete(File file) {
+                // on delete action
+            }
+        };
+
+        observer.addListener(fal);
+        monitor.addObserver(observer);
+        monitor.start();
+    }
+}