1 // Copyright (C) 2005 Philip Aston
2 // All rights reserved.
3 //
4 // This file is part of The Grinder software distribution. Refer to
5 // the file LICENSE which is part of The Grinder distribution for
6 // licensing details. The Grinder distribution is available on the
7 // Internet at http://grinder.sourceforge.net/
8 //
9 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
10 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
11 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
12 // FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
13 // COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
14 // INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
15 // (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
16 // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
17 // HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
18 // STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
19 // ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
20 // OF THE POSSIBILITY OF SUCH DAMAGE.
21
22 package net.grinder.console.distribution;
23
24 import java.io.File;
25 import java.util.EventListener;
26
27 /**
28 * Something that can raise events about file changes.
29 *
30 * @author Philip Aston
31 */
32 public interface FileChangeWatcher {
33
34 /**
35 * Add a listener that will be sent events about files that have changed.
36 *
37 * @param listener
38 * The listener.
39 */
40 void addFileChangedListener(FileChangedListener listener);
41
42 /**
43 * Listener interface.
44 *
45 * @see FileChangeWatcher#addFileChangedListener
46 */
47 interface FileChangedListener extends EventListener {
48
49 /**
50 * Called with a changed file.
51 *
52 * @param file The file that has changed.
53 */
54 void filesChanged(File[] file);
55 }
56 }