Java Delete Tree deltree(final String directory)

Description

Delete a directory and its sub-files

License

Open Source License

Parameter

Parameter	Description
directory	the directory to delete

Exception

Parameter	Description
IOException	if any

Declaration

public static void deltree(final String directory) throws IOException 

Method Source Code

//package com.java2s;
/*******************************************************************************
 * Copyright 2007(c) G?nome Qu?bec. All rights reserved.
 * /*w  w  w.j  a va 2s.c om*/
 * This file is part of GenoByte.
 * 
 * GenoByte 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; either version 3
 * of the License, or (at your option) any later version.
 * 
 * GenoByte 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, see <http://www.gnu.org/licenses/>. 
 *******************************************************************************/

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

public class Main {
    /**
     * Delete a directory and its sub-files
     * @param directory the directory to delete
     * @throws IOException if  any
     */
    public static void deltree(final String directory) throws IOException {
        deltree(new File(directory));
    }

    /**
     * Delete a directory and its sub-files
     * @param dir the directory to delete
     * @throws IOException if  any
     * @throws FileNotFoundException if  any
     */
    public static void deltree(final File dir) throws IOException {
        if (dir == null) {
            return;
        }

        if (!dir.exists()) {
            throw new FileNotFoundException("The dir=[" + dir + "] doesnt exist");
        }

        if (!dir.isDirectory()) {
            return;
        }

        File[] allFiles = dir.listFiles();

        for (int i = 0; i < allFiles.length; i++) {
            File currentFile = allFiles[i];

            if (currentFile.isDirectory()) {
                deltree(currentFile);
            } else {
                if (!currentFile.delete()) {
                    System.err.println("Cant delete the file=[" + currentFile.getAbsolutePath() + "]");
                }
            }
        }

        if (!dir.delete()) {
            System.err.println("Cant delete the dir=[" + dir.getAbsolutePath() + "]");
        }
    }
}

Related

1. delTree(File file)
2. delTree(File file)
3. delTree(File file)
4. delTree(File root)
5. deltree(File root)
6. deltree(String dir)
7. deltree(String dir)
8. deltree(String directory)
9. delTree(String dirName, String excludedDirName)