Java Directory Clear cleanDirectory(File directory)

Description

Recursively cleans (removes) all files under the given directory.

License

Apache License

Parameter

Parameter	Description
directory	a parameter

Declaration

public static void cleanDirectory(File directory) 

Method Source Code

//package com.java2s;
/*/* w  w w  .  ja v  a  2  s .c  o  m*/
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

import java.io.File;

public class Main {
    /**
     * Recursively cleans (removes) all files under the given 
     * directory.  Note that this removes all sub-directories
     * but not the parent directory.  
     * @param directory
     */
    public static void cleanDirectory(File directory) {
        boolean success;
        if (directory.isDirectory()) {
            String[] children = directory.list();
            for (int i = 0; i < children.length; i++) {
                File child = new File(directory, children[i]);
                if (child.isDirectory()) {
                    success = deleteDirectory(child);
                } else {
                    success = child.delete();
                }
                if (!success) {
                    // TODO throw IO Exception or return false?
                }
            }
        }
    }

    /**
     * Recursively deletes a directory and everything under it.
     * 
     * @param directory
     * @return true on success
     */
    public static boolean deleteDirectory(File directory) {
        boolean globalSuccess = true;
        boolean success;
        if (directory.isDirectory()) {
            String[] children = directory.list();
            for (int i = 0; i < children.length; i++) {
                success = deleteDirectory(new File(directory, children[i]));
                globalSuccess = success && globalSuccess;
            }
        }
        // The directory is now empty so delete it
        success = directory.delete();
        globalSuccess = success && globalSuccess;
        return globalSuccess;
    }
}

Related

1. cleanDirectory(File directory)
2. cleanDirectory(File directory)
3. cleanDirectory(File directory)
4. cleanDirectory(File directory)
5. cleanDirectory(File directory)
6. cleanDirectory(File directory)
7. cleanDirectory(File path)
8. cleanDirectory(final File directory)
9. cleanDirectory(final File directory)