/**
* This file is part of muCommander, http://www.mucommander.com
* Copyright (C) 2002-2016 Maxence Bernard
*
* muCommander is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* muCommander is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.mucommander.commons.file.util;
import com.mucommander.commons.file.AbstractFile;
/**
* Interface to be implemented by classes that wish to be notified when changes are made to files monitored by
* {@link FileMonitor}.
*
* <p>FileChangeListener instances must register themselves with FileMonitor using
* {@link FileMonitor#addFileChangeListener(FileChangeListener)}, in order for {@link #fileChanged(AbstractFile, int)}
* to be called whenever a file monitored by a FileMonitor has changed.
*
* @see FileMonitor
* @author Maxence Bernard
*/
public interface FileChangeListener extends FileMonitorConstants {
/**
* This method is called whenever a change in one or several attributes of the given file has changed. The
* <code>changedAttributes</code> parameter may contain several attributes, use the binary AND operator with
* {@link FileMonitor} constant attribute fields to read them.
*
* @param file the AbstractFile for which an attribute change has been detected
* @param changedAttributes a set of attributes that have changed, see FileMonitor constant fields for possible values
*/
public void fileChanged(AbstractFile file, int changedAttributes);
}