Java Delete File or Directory deleteFileOrDirOnExit(File filehandle)

Description

Delete file or folder recursively on exit of the program

License

Open Source License

Parameter

Parameter	Description
filehandle	a parameter

Return

true if all went well

Declaration

public static boolean deleteFileOrDirOnExit(File filehandle) 

Method Source Code

//package com.java2s;
/*// w  w w . j a  v  a2s . c om
 * Stage - Spatial Toolbox And Geoscript Environment 
 * (C) HydroloGIS - www.hydrologis.com 
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * (http://www.eclipse.org/legal/epl-v10.html).
 */

import java.io.File;

public class Main {
    /**
     * Delete file or folder recursively on exit of the program
     * 
     * @param filehandle
     * @return true if all went well
     */
    public static boolean deleteFileOrDirOnExit(File filehandle) {
        if (filehandle.isDirectory()) {
            String[] children = filehandle.list();
            for (int i = 0; i < children.length; i++) {
                boolean success = deleteFileOrDir(new File(filehandle, children[i]));
                if (!success) {
                    return false;
                }
            }
        }
        filehandle.deleteOnExit();
        return true;
    }

    /**
     * Returns true if all deletions were successful. If a deletion fails, the method stops
     * attempting to delete and returns false.
     * 
     * @param filehandle
     * @return true if all deletions were successful
     */
    public static boolean deleteFileOrDir(File filehandle) {

        if (filehandle.isDirectory()) {
            String[] children = filehandle.list();
            for (int i = 0; i < children.length; i++) {
                boolean success = deleteFileOrDir(new File(filehandle, children[i]));
                if (!success) {
                    return false;
                }
            }
        }

        // The directory is now empty so delete it
        boolean isdel = filehandle.delete();
        if (!isdel) {
            // if it didn't work, which often happens on windows systems,
            // remove on exit
            filehandle.deleteOnExit();
        }

        return isdel;
    }
}

Related

1. deleteFileOrDirectory(File dir)
2. deleteFileOrDirectory(File file)
3. deleteFileOrDirectory(File fileOrDirectory)
4. deleteFileOrDirectory(String fileName)
5. deleteFileOrDirectoryRecursive(String dir)
6. deleteFileOrFolder(File fileOrFolder)