01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * 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: package org.apache.commons.vfs;
18:
19: /**
20: * Listens for changes to a file.
21: *
22: * @author <a href="mailto:adammurdoch@apache.org">Adam Murdoch</a>
23: * @version $Revision: 480428 $ $Date: 2006-11-28 22:15:24 -0800 (Tue, 28 Nov 2006) $
24: */
25: public interface FileListener {
26: /**
27: * Called when a file is created.
28: */
29: void fileCreated(FileChangeEvent event) throws Exception;
30:
31: /**
32: * Called when a file is deleted.
33: */
34: void fileDeleted(FileChangeEvent event) throws Exception;
35:
36: /**
37: * Called when a file is changed.<br />
38: * This will only happen if you monitor the file using {@link FileMonitor}.
39: */
40: void fileChanged(FileChangeEvent event) throws Exception;
41: }
|