Android Directory Delete deleteContents(String directory)

Description

delete all files (recursively) in a directory.

License

Open Source License

Exception

Parameter	Description
IOException	if there's a problem deleting some file

Declaration

public static void deleteContents(String directory) throws IOException 

Method Source Code

//package com.java2s;
/*******************************************************************************
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:/*  w w w  .j  a v  a 2  s  .  c  om*/
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/

import java.io.File;

import java.io.IOException;

public class Main {
    /**
     * delete all files (recursively) in a directory. This is dangerous. Use with
     * care.
     * 
     * @throws IOException
     *           if there's a problem deleting some file
     */
    public static void deleteContents(String directory) throws IOException {
        File f = new File(directory);
        if (!f.exists()) {
            return;
        }
        if (!f.isDirectory()) {
            throw new IOException(directory + " is not a vaid directory");
        }
        for (String s : f.list()) {
            deleteRecursively(new File(f, s));
        }
    }

    private static void deleteRecursively(File f) throws IOException {
        if (f.isDirectory()) {
            for (String s : f.list()) {
                deleteRecursively(new File(f, s));
            }
        }

        boolean b = f.delete();
        if (!b) {
            throw new IOException("failed to delete " + f);
        }
    }
}

Related

1. deleteDir(File pDirectory)
2. deleteDir(String path)
3. deleteDirectory(File dir)
4. deleteDirectory(File dir)