package org.webslinger.io.tests;

 import java.io.File;

 import java.io.FileInputStream;

 import java.io.FileOutputStream;

 import java.io.InputStream;

 import java.io.OutputStream;

 import org.webslinger.io.FileMonitor;

 import org.webslinger.io.IOUtil;

 import org.webslinger.io.JNotifyFileMonitor;

 import org.webslinger.io.Monitor;

 public final class FileRoot implements Root<FileRoot> {

     protected final File file;

     public FileRoot(File file) {

         this.file = file;

     }

     public FileRoot create(String name) throws Exception {

         return new FileRoot(new File(file, name));

     }

     public void delete() throws Exception {

         file.delete();

     }

     public InputStream openIn() throws Exception {

         return new FileInputStream(file);

     }

     public OutputStream openOut() throws Exception {

         return new FileOutputStream(file);

     }

     public void touch(long time) throws Exception {

         IOUtil.touch(file, time);

     }

     public Listener createListener() throws Exception {

         return new FileRootListener();

     }

     public void refresh() throws Exception {

         throw new UnsupportedOperationException();

     }

     protected final class FileRootListener extends Listener implements FileMonitor.FileListener {

         public void start() throws Exception {

             JNotifyFileMonitor.SINGLETON.add(file, this);

         }

         public void stop() throws Exception {

             JNotifyFileMonitor.SINGLETON.remove(file, this);

         }

         public void acceptEvent(File item, Monitor.Listener.Event event) {

             events.add(event);

         }

     }

 }