Java File Delete delete(File f)

Description

Deletes the given file and, if it is a directory, delete all its sub-directories and sub-files.

License

Open Source License

Parameter

Parameter	Description
f	The file or directory to delete

Return

Whether the given file or directory is successfully deleted.

Declaration

public static boolean delete(File f) 

Method Source Code

//package com.java2s;
/* ******************************************************************************
 * Copyright (c) 2006-2012 XMind Ltd. and others.
 * /*  w  w w  .  j av  a  2  s  .  c  o  m*/
 * This file is a part of XMind 3. XMind releases 3 and
 * above are dual-licensed under the Eclipse Public License (EPL),
 * which is available at http://www.eclipse.org/legal/epl-v10.html
 * and the GNU Lesser General Public License (LGPL), 
 * which is available at http://www.gnu.org/licenses/lgpl.html
 * See http://www.xmind.net/license.html for details.
 * 
 * Contributors:
 *     XMind Ltd. - initial API and implementation
 *******************************************************************************/

import java.io.File;

public class Main {
    /**
     * Deletes the given file and, if it is a directory, delete all its
     * sub-directories and sub-files.
     * 
     * @param f
     *            The file or directory to delete
     * @return Whether the given file or directory is successfully deleted.
     */
    public static boolean delete(File f) {
        if (f.isFile())
            return f.delete();
        else if (f.isDirectory()) {
            boolean b = clearDir(f);
            b &= f.delete();
            return b;
        } else
            return false;
    }

    /**
     * Deletes all sub-files and sub-directories in the given directory.
     * 
     * @param dir
     *            The directory to clear
     * @return Whether the given directory is successfully cleared.
     */
    public static boolean clearDir(File dir) {
        if (!dir.isDirectory())
            return false;
        File[] files = dir.listFiles();
        if (files == null || files.length == 0)
            return true;
        boolean cleared = true;
        for (File sub : files) {
            cleared &= delete(sub);
        }
        return cleared;
    }
}

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