Improved FileWatch class comment and merged in the interface.

src/zutil/io/file/FileChangeListener.java

@@ -1,42 +0,0 @@
-/*
- * The MIT License (MIT)
- *
- * Copyright (c) 2015 Ziver Koc
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-package zutil.io.file;
-
-import java.io.File;
-
-/**
- * Interface for the FileWatcher class
- *
- * @author Ziver
- */
-public interface FileChangeListener{
-
-    /**
-     * This method is called when there is a change in a file
-     *
-     * @param file The file that has changed
-     */
-    void fileChangedEvent(File file);
-}

src/zutil/io/file/FileWatcher.java

@@ -25,20 +25,24 @@
 package zutil.io.file;
 
 import zutil.io.MultiPrintStream;
+import zutil.log.LogUtil;
 
 import java.io.File;
 import java.io.FileNotFoundException;
 import java.util.Timer;
 import java.util.TimerTask;
+import java.util.logging.Logger;
 
 /**
- * This class calls a given listener
- * when a file is changed
+ * This class checks a file periodically for changes to the
+ * last modified date and calls the registered listeners.
  *
  * @author Ziver
  *
  */
 public class FileWatcher extends TimerTask{
+    private static Logger logger = LogUtil.getLogger();
+
     private FileChangeListener listener;
     private long lastChanged;
     private File file;
@@ -82,8 +86,23 @@ public class FileWatcher extends TimerTask{
                 listener.fileChangedEvent(file);
             }
             else{
-                MultiPrintStream.out.println("File Changed: "+file);
+                logger.fine("File was modified ("+file+") but no listeners was registered.");
             }
         }
     }
+
+    /**
+     * Interface for the FileWatcher class
+     *
+     * @author Ziver
+     */
+    public interface FileChangeListener{
+
+        /**
+         * This method is called when there is a change in a file
+         *
+         * @param file The file that has changed
+         */
+        void fileChangedEvent(File file);
+    }
 }

test/zutil/io/file/FileChangedTest.java

@@ -26,10 +26,9 @@ package zutil.io.file;
 
 import java.io.File;
 import java.io.FileNotFoundException;
-import java.net.URISyntaxException;
 
 
-public class FileChangedTest implements FileChangeListener{
+public class FileChangedTest implements FileWatcher.FileChangeListener {
     public static void main(String[] args) throws FileNotFoundException{
         FileWatcher watcher = new FileWatcher(FileUtil.find("test.txt"));
         watcher.setListener(new FileChangedTest());