1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18 package org.apache.commons.jci.monitor;
19
20 import java.io.File;
21
22 /**
23 * A listener that receives events of filesystem modifications.
24 * The observer basically represents the source of the events.
25 * The file root and its state. (see FilesystemAlterationObserver)
26 *
27 * @author tcurdt
28 */
29 public interface FilesystemAlterationListener {
30
31 void onStart( final FilesystemAlterationObserver pObserver );
32 void onFileCreate( final File pFile );
33 void onFileChange( final File pFile );
34 void onFileDelete( final File pFile );
35 void onDirectoryCreate( final File pDir );
36 void onDirectoryChange( final File pDir );
37 void onDirectoryDelete( final File pDir );
38 void onStop( final FilesystemAlterationObserver pObserver );
39 }