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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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* Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
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* The contents of this file are subject to the terms of either the GNU
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* General Public License Version 2 only ("GPL") or the Common
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* Development and Distribution License("CDDL") (collectively, the
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* "License"). You may not use this file except in compliance with the
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* License. You can obtain a copy of the License at
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* http://www.netbeans.org/cddl-gplv2.html
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* or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
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* specific language governing permissions and limitations under the
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* License. When distributing the software, include this License Header
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* nbbuild/licenses/CDDL-GPL-2-CP. Sun designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Sun in the GPL Version 2 section of the License file that
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* "Portions Copyrighted [year] [name of copyright owner]"
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* The Original Software is NetBeans. The Initial Developer of the Original
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* Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
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package org.openide.filesystems;
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import java.util.EventListener;
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/** Listener for changes in <code>FileObject</code>s. Can be attached to any <code>FileObject</code>.
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* When attached to a file it listens for file changes (due to saving from inside NetBeans) and
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* for deletes and renames.
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* When attached to a folder it listens for all actions taken on this folder.
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* These include any modifications of data files or folders,
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* and creation of new data files or folders.
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* @see FileObject#addFileChangeListener
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* @author Jaroslav Tulach, Petr Hamernik
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public interface FileChangeListener extends EventListener {
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/** Fired when a new folder is created. This action can only be
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* listened to in folders containing the created folder up to the root of
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* @param fe the event describing context where action has taken place
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public abstract void fileFolderCreated(FileEvent fe);
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/** Fired when a new file is created. This action can only be
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* listened in folders containing the created file up to the root of
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* @param fe the event describing context where action has taken place
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public abstract void fileDataCreated(FileEvent fe);
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/** Fired when a file is changed.
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* @param fe the event describing context where action has taken place
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public abstract void fileChanged(FileEvent fe);
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/** Fired when a file is deleted.
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* @param fe the event describing context where action has taken place
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public abstract void fileDeleted(FileEvent fe);
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/** Fired when a file is renamed.
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* @param fe the event describing context where action has taken place
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* and the original name and extension.
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public abstract void fileRenamed(FileRenameEvent fe);
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/** Fired when a file attribute is changed.
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* @param fe the event describing context where action has taken place,
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* the name of attribute and the old and new values.
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public abstract void fileAttributeChanged(FileAttributeEvent fe);