Java Path Delete nio deleteEmptyDirsUpTo(Path from, Path to)

Description

delete Empty Dirs Up To

License

Open Source License

Declaration

private static void deleteEmptyDirsUpTo(Path from, Path to) throws IOException 

Method Source Code

//package com.java2s;
/*//from w w  w  . j av a2 s. co  m
*  Copyright (c) 2017, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
*  WSO2 Inc. 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.IOException;

import java.nio.file.Files;

import java.nio.file.Path;

public class Main {
    private static void deleteEmptyDirsUpTo(Path from, Path to) throws IOException {
        Path pathsInBetween = to.relativize(from);
        for (int i = pathsInBetween.getNameCount(); i > 0; i--) {
            Path toRemove = to.resolve(pathsInBetween.subpath(0, i));
            if (Files.list(toRemove).findAny().isPresent()) {
                return;
            } else {
                Files.delete(toRemove);
            }
        }
    }
}

Related

1. delete(Path... paths)
2. delete(String filePath, String fileName)
3. delete(String targetFilePath)
4. deleteAllFilesRecursively(Path path)
5. deleteContent(Path directory)
6. deleteEmptyParentDirs(Path pkgDirPath, Path repoPath)
7. deleteFile(Path p)
8. deleteFile(Path path)
9. deleteFile(Path path)