Java Recursive Delete recursiveDelete(final File file, final boolean childrenOnly)

Description

Deletes a file or recursively deletes a directory.

License

Apache License

Parameter

Parameter	Description
file	the file to delete, or if this is a directory, the directory that serves as the root of a recursive deletion
childrenOnly	if <code>true</code>, only the children of a directory are recursively deleted but the specified directory itself is spared; if <code>false</code>, the specified directory is also deleted; ignored if <code>file</code> is not a directory

Declaration

public static void recursiveDelete(final File file, final boolean childrenOnly) 

Method Source Code

//package com.java2s;
/*/*from w  w w .  java 2s.c om*/
 * Copyright 2008 Google Inc.
 * 
 * Licensed 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;
import java.io.FileFilter;

public class Main {
    /**
     * Deletes a file or recursively deletes a directory.
     * 
     * @param file the file to delete, or if this is a directory, the directory that serves as the
     *          root of a recursive deletion
     * @param childrenOnly if <code>true</code>, only the children of a directory are recursively
     *          deleted but the specified directory itself is spared; if <code>false</code>, the
     *          specified directory is also deleted; ignored if <code>file</code> is not a directory
     */
    public static void recursiveDelete(final File file, final boolean childrenOnly) {
        recursiveDelete(file, childrenOnly, null);
    }

    /**
     * Selectively deletes a file or recursively deletes a directory. Note that it is possible that
     * files remain if file.delete() fails.
     * 
     * @param file the file to delete, or if this is a directory, the directory that serves as the
     *          root of a recursive deletion
     * @param childrenOnly if <code>true</code>, only the children of a directory are recursively
     *          deleted but the specified directory itself is spared; if <code>false</code>, the
     *          specified directory is also deleted; ignored if <code>file</code> is not a directory
     * @param filter only files matching this filter will be deleted
     */
    public static void recursiveDelete(final File file, final boolean childrenOnly, final FileFilter filter) {
        if (file.isDirectory()) {
            File[] children = file.listFiles();
            if (children != null) {
                for (int i = 0; i < children.length; i++) {
                    recursiveDelete(children[i], false, filter);
                }
            }
            if (childrenOnly) {
                // Do not delete the specified directory itself.
                return;
            }
        }

        if (filter == null || filter.accept(file)) {
            file.delete();
        }
    }
}

Related

1. recursiveDelete(File root)
2. recursiveDelete(File root)
3. recursiveDelete(File rootDir, boolean deleteRoot)
4. recursiveDelete(File target)
5. recursiveDelete(final File directory)
6. recursiveDelete(final File fileOrDir)
7. recursiveDelete(final File path)
8. recursiveDelete(final File path, final boolean deleteParent)
9. recursiveDelete(final File pFile)