Java Delete Directory deleteFilesInDir(File dir)

Description

Recursively deletes all the files of the specified directory.

License

Open Source License

Parameter

Parameter	Description
dir	a parameter

Declaration

public static void deleteFilesInDir(File dir) 

Method Source Code

//package com.java2s;
/*//from w  w w  .  j  av a2 s . com
 * (c) Copyright 2010-2011 AgileBirds
 *
 * This file is part of OpenFlexo.
 *
 * OpenFlexo 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.
 *
 * OpenFlexo 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 OpenFlexo. If not, see <http://www.gnu.org/licenses/>.
 *
 */

import java.io.File;

public class Main {
    /**
     * Recursively deletes all the files of the specified directory. Directories themselves are not removed.
     * 
     * @param dir
     */
    public static void deleteFilesInDir(File dir) {
        deleteFilesInDir(dir, false);
    }

    public static void deleteFilesInDir(File dir, boolean keepCVSTags) {
        if (!dir.isDirectory()) {
            System.err.println("Tried to delete a directory but file is not a directory: " + dir.getAbsolutePath());
            return;
        }
        if (keepCVSTags && dir.getName().equals("CVS")) {
            System.err.println("Tried to delete CVS directory but keepCVSTags flag is true!");
            return;
        }

        File[] f = dir.listFiles();
        if (f == null) {
            return;
        }
        for (int i = 0; i < f.length; i++) {
            File file = f[i];
            if (file.isDirectory()) {
                if (!file.getName().equals("CVS") || !keepCVSTags) {
                    deleteFilesInDir(file, keepCVSTags);
                }
            } else {
                file.delete();
            }
        }
    }
}

Related

1. deleteFiles(String[] filenames)
2. deleteFilesAndDir(List files)
3. deleteFilesAndSubDirs(File dir)
4. deleteFilesFromDirectory(final String dirNameIn, final String filePrefixIn)
5. deleteFilesInDir(File dir)