Java NIO

- Cleaned up

IO/NIO/NIO/src/main/java/ocp/io/NIO/App.java

@@ -17,6 +17,7 @@ import java.nio.file.attribute.UserPrincipal;
 import java.nio.file.spi.FileSystemProvider;
 import java.util.List;
 import java.util.Set;
+import java.util.concurrent.TimeUnit;
 import java.util.stream.Stream;
 
 /**
@@ -112,7 +113,13 @@ public class App
 			 * I sleep here to give me time to modify an directory
 			 * entry in /home/deavmi
 			 */
-			Thread.sleep(5000);
+//			Thread.sleep(5000);
+			
+			/**
+			 * Alternatively you can call {@link WatchService}'s
+			 * <code>take()</code> method which blocks till an event
+			 */
+			eventHandle = watcher.take();
 			
 			
 			/**
@@ -133,10 +140,17 @@ public class App
 				 */
 				if(event.kind() == StandardWatchEventKinds.ENTRY_MODIFY)
 				{
-					System.out.println("Modified path: "+((Path)event.context()).toAbsolutePath());
+					System.out.println("Modified path: "+(path1.resolve((Path)event.context())));
 				}
 			}
 			
+			/**
+			 * Because we called <code>take()</code> on the {@link WatchService}
+			 * it has removed it and it won't be watched (the directory the key
+			 * is registered for) until we call <code>reset()</code> below
+			 * which places it back into the watcher for watching.
+			 */
+			eventHandle.reset();
 		}
         catch (Exception e)
         {
@@ -195,6 +209,5 @@ public class App
         
         UserPrincipal user = Files.getOwner(resolvedPath, LinkOption.NOFOLLOW_LINKS);
         System.out.println("The owner is: '"+user+"'");
-        
     }
-}
+}