Java File Path Delete deleteDir(File fDir)

Description

Deletes all files and sub directories under the specified directory including the specified directory

License

Open Source License

Parameter

Parameter	Description
fDir	- directory to be deleted

Return

boolean - true if directory was successfully deleted

Declaration

public static boolean deleteDir(File fDir) 

Method Source Code

//package com.java2s;
/**/*from  w w w .  ja v a2 s  .  com*/
 * Copyright (c) 2003 - 2007 OpenSubsystems s.r.o. Slovak Republic. All rights reserved.
 * 
 * Project: OpenSubsystems
 * 
 * $Id: FileUtils.java,v 1.12 2007/02/01 07:18:32
 * 
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; version 2 of the License. 
 * 
 * This program 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 General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 
 */

import java.io.File;

public class Main {
    /**
     * Deletes all files and sub directories under the specified directory
     * including the specified directory
     * 
     * @param strDir - string that specifies directory to be deleted
     * @return boolean - true if directory was successfully deleted
     */
    public static boolean deleteDir(String strDir) {
        return ((strDir != null) && (strDir.length() > 0)) ? deleteDir(new File(strDir)) : false;
    }

    /**
     * Deletes all files and sub directories under the specified directory
     * including the specified directory
     * 
     * @param fDir - directory to be deleted
     * @return boolean - true if directory was successfully deleted
     */
    public static boolean deleteDir(File fDir) {
        boolean bRetval = false;
        if (fDir != null && fDir.exists()) {
            bRetval = deleteDirectoryContent(fDir);
            if (bRetval) {
                bRetval = bRetval && fDir.delete();
            }
        }
        return bRetval;
    }

    /**
     * Delete all files and directories in directory but do not delete the
     * directory itself.
     * 
     * @param strDir - string that specifies directory to delete
     * @return boolean - success flag
     */
    public static boolean deleteDirectoryContent(String strDir) {
        return ((strDir != null) && (strDir.length() > 0)) ? deleteDirectoryContent(new File(strDir)) : false;
    }

    /**
     * Delete all files and directories in directory but do not delete the
     * directory itself.
     * 
     * @param fDir - directory to delete
     * @return boolean - success flag
     */
    public static boolean deleteDirectoryContent(File fDir) {
        boolean bRetval = false;

        if (fDir != null && fDir.isDirectory()) {
            File[] files = fDir.listFiles();

            if (files != null) {
                bRetval = true;
                boolean dirDeleted;

                for (int index = 0; index < files.length; index++) {
                    if (files[index].isDirectory()) {
                        // TODO: Performance: Implement this as a queue where
                        // you add to the end and take from the beginning, it will be more
                        // efficient than the recursion
                        dirDeleted = deleteDirectoryContent(files[index]);
                        if (dirDeleted) {
                            bRetval = bRetval && files[index].delete();
                        } else {
                            bRetval = false;
                        }
                    } else {
                        bRetval = bRetval && files[index].delete();
                    }
                }
            }
        }

        return bRetval;
    }
}

Related

1. deleteDir(File dirFile)
2. deleteDir(File dirPath)
3. deleteDir(File f)
4. deleteDir(File f)
5. deleteDir(File f)
6. deleteDir(File file)
7. deleteDir(File path)
8. deleteDir(File path)
9. deleteDir(File path)