Java Delete Tree delTree(File f)

Description

Delete directory tree.

License

Open Source License

Parameter

Parameter	Description
f	root of tree to delete

Exception

Parameter	Description
IOException	if an I/O error occurs

Declaration

public static void delTree(File f) throws IOException 

Method Source Code

//package com.java2s;
/*//from  ww w .  j ava 2 s .  c o m
 * Copyright 2005--2008 Helsinki Institute for Information Technology
 *
 * This file is a part of Fuego middleware.  Fuego middleware is free
 * software; you can redistribute it and/or modify it under the terms
 * of the MIT license, included as the file MIT-LICENSE in the Fuego
 * middleware source distribution.  If you did not receive the MIT
 * license with the distribution, write to the Fuego Core project at
 * fuego-core-users@googlegroups.com.
 */

import java.io.File;

import java.io.FilenameFilter;
import java.io.IOException;

public class Main {
    /** Delete directory tree. Deletes the
    *  directory tree rooted at <code>f</code> including <code>f</code>.
    *
    * @param f root of tree to delete
    * @throws IOException if an I/O error occurs
    */
    public static void delTree(File f) throws IOException {
        delTree(f, true, null);
    }

    /** Delete directory tree. Deletes the
     * directory tree rooted at <code>f</code>. The directory
     * <code>f</code> itself is deleted if <code>delRoot</code> is
     * <code>true</code>.
     *
     * @param f root of tree to delete
     * @param delRoot set to <code>true</code> to delete root.
     * @throws IOException if an I/O error occurs
     */
    public static void delTree(File f, boolean delRoot) throws IOException {
        delTree(f, delRoot, null);
    }

    /** Delete directory tree. Deletes the
     * directory tree rooted at <code>f</code>. The directory
     * <code>f</code> itself is deleted if <code>delRoot</code> is
     * <code>true</code>.
     *
     * @param f root of tree to delete
     * @param fi filter that an entry must pass in order to be deleted
     *           (<code>null</code> means all pass)
     * @param delRoot set to <code>true</code> to delete root.
     * @throws IOException if an I/O error occurs
     */

    public static void delTree(File f, boolean delRoot, FilenameFilter fi) throws IOException {
        // First, delete children
        if (f.isDirectory()) {
            File[] entries = f.listFiles();
            for (int i = 0; i < entries.length; i++)
                delTree(entries[i], true, fi);
        }
        // Then delete this node
        if (delRoot && (fi == null || fi.accept(f.getParentFile(), f.getName())) && !f.delete())
            throw new IOException("Can't delete " + f);
    }
}

Related

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