Java Delete Tree delTree(File dir)

Description

del Tree

License

Open Source License

Parameter

Parameter	Description
dir	a parameter

Declaration

public static boolean delTree(File dir) 

Method Source Code

//package com.java2s;
/*//from  www  .  j  av  a2 s. c  o  m
 * Copyright (c) Fiorano Software Pte. Ltd. and affiliates. All rights reserved. http://www.fiorano.com
 * The software in this package is published under the terms of the CPAL v1.0
 * license, a copy of which has been included with this distribution in the
 * LICENSE.txt file.
 */

import java.io.*;

public class Main {
    /**
     * @param dir
     * @return
     */
    public static boolean delTree(File dir) {
        String[] fileList = dir.list();
        String path = dir.getAbsolutePath() + File.separator;
        File file;

        for (int i = 0; i < fileList.length; ++i) {
            file = new File(path + fileList[i]);
            if (file.isDirectory())
                delTree(file);
            else
                file.delete();
        }
        return dir.delete();
    }

    /**
     * Delete the directory tree specified by parameter directory name.
     *
     * @param directoryName directory that need to be deleted
     * @param maxAttempts   maximum attempts that can be made for file deletion
     * @param timeInterval  specfies the sleep time after unsuccessful deletion attempt
     */
    public static void delTree(String directoryName, int maxAttempts, long timeInterval) {
        File temp = new File(directoryName);

        if (!temp.isDirectory())
            return;

        String[] subDirs = temp.list();

        for (int i = 0; i < subDirs.length; i++) {
            File tempFile = new File(directoryName + File.separator + subDirs[i]);

            if (tempFile.isDirectory()) {
                delTree(directoryName + File.separator + subDirs[i], maxAttempts, timeInterval);
                continue;
            }

            boolean deleted;
            int j = 0;

            while (j < maxAttempts) {
                deleted = tempFile.delete();
                try {
                    if (!deleted)
                        Thread.sleep(timeInterval);
                    else
                        break;
                } catch (InterruptedException ie) {
                    RuntimeException re = new RuntimeException("error.while.deleting.the.tree");
                    re.initCause(ie);
                    throw re;
                }
                j++;
            }
        }
        temp.delete();
    }
}

Related

1. deleteTree(File dir)
2. deleteTree(File f)
3. deleteTree(File file, boolean check)
4. deleteTree(final File file)
5. delTree(File dir)
6. delTree(File dir, boolean deleteDirItSelf)
7. delTree(File directory)
8. deltree(File directory)
9. delTree(File f)