Java Delete File Recursively deleteRecursive(File src, List excludes)

Description

delete Recursive

License

Apache License

Declaration

public static void deleteRecursive(File src, List<File> excludes) throws IOException 

Method Source Code

//package com.java2s;
/*/*  w  w w  . j  a  v  a2s. c  o  m*/
 * Copyright (C) 2017 CenturyLink, 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.IOException;

import java.util.List;

public class Main {
    public static void deleteRecursive(File src) throws IOException {
        deleteRecursive(src, null);
    }

    public static void deleteRecursive(File src, List<File> excludes) throws IOException {
        if (!src.exists())
            throw new IOException("File/directory does not exist: " + src);

        if (excludes == null || !excludes.contains(src)) {
            if (src.isFile()) {
                if (!src.delete())
                    throw new IOException("Cannot delete file: " + src);
            } else {
                for (File srcFile : src.listFiles()) {
                    if (srcFile.isFile()) {
                        if (excludes == null || !excludes.contains(srcFile)) {
                            if (!srcFile.delete())
                                throw new IOException("Cannot delete: " + srcFile);
                        }
                    } else if (srcFile.isDirectory()) {
                        if (excludes == null || !excludes.contains(srcFile))
                            deleteRecursive(srcFile, excludes);
                    }
                }

                boolean isParentOfExclude = false;
                if (excludes != null) {
                    for (File exclude : excludes) {
                        File parent = exclude.getParentFile();
                        while (!isParentOfExclude && parent != null) {
                            isParentOfExclude = parent.equals(src);
                            parent = parent.getParentFile();
                        }
                        if (isParentOfExclude)
                            break; // don't keep checking
                    }
                }

                if (!isParentOfExclude) {
                    if (!src.delete())
                        throw new IOException("Cannot delete: " + src);
                }
            }
        }
    }
}

Related

1. deleteRecursive(File file)
2. deleteRecursive(File file)
3. deleteRecursive(File file)
4. deleteRecursive(File root)
5. deleteRecursive(File src)
6. deleteRecursive(File toDelete)
7. deleteRecursive(File toDelete)
8. deleteRecursive(final File dir)
9. deleteRecursive(final File file)