EditDeleteFileWhenDying.java

/*
 *  EditDeleteFileWhenDying.java
 *  Eisenkraut
 *
 *  Copyright (c) 2004-2016 Hanns Holger Rutz. All rights reserved.
 *
 *  This software is published under the GNU General Public License v3+
 *
 *
 *	For further information, please contact Hanns Holger Rutz at
 *	contact@sciss.de
 */

package de.sciss.eisenkraut.edit;

import java.io.File;
import java.io.IOException;

import de.sciss.app.BasicUndoableEdit;
import de.sciss.app.PerformableEdit;

import de.sciss.io.InterleavedStreamFile;

/**
 *  An <code>UndoableEdit</code> that
 *  closes and deletes an <code>InterleavedStreamFile</code> (or <code>AudioFile</code>)
 *	when it's <code>die()</code> method is called.
 *	Alternatively, using the constructor with a plain <code>File</code>
 *	object will simply delete that file.
 *	Useful for undoing recordings for example.
 */
@SuppressWarnings("serial")
public class EditDeleteFileWhenDying extends BasicUndoableEdit {

	private final InterleavedStreamFile isf;
	private final File					f;

	/**
	 * @param isf the file to close and delete when <code>die()</code> is called
	 */
	public EditDeleteFileWhenDying(InterleavedStreamFile isf) {
		super();
		this.isf = isf;
		f = isf.getFile();
	}

	/**
	 * @param f the file to delete when <code>die()</code> is called
	 */
	public EditDeleteFileWhenDying(File f) {
		super();
		isf = null;
		this.f = f;
	}

	public PerformableEdit perform() {
		return this;
	}

	public void die() {
//System.err.println( "die!" );
		if (isf != null) {
			try {
				isf.close();
			} catch (IOException e1) {
				System.err.println("File not closed : " + f.getAbsolutePath());
			}
		}
		if (f != null) {
			if (!f.delete()) {
				System.err.println("File not deleted : " + f.getAbsolutePath());
			}
		}
		super.die();
	}
}