Java Path Delete nio deletePathRecursively(String path)

Description

Deletes a path recursively.

License

Apache License

Parameter

Parameter	Description
path	pathname to be deleted

Exception

Parameter	Description
IOException	when fails to delete

Declaration

public static void deletePathRecursively(String path)
        throws IOException 

Method Source Code

//package com.java2s;
/*/*ww  w  .  j  a v  a 2 s. c  o m*/
 * The Alluxio Open Foundation licenses this work under the Apache License, version 2.0
 * (the ?License??). You may not use this work except in compliance with the License, which is
 * available at www.apache.org/licenses/LICENSE-2.0
 *
 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
 * either express or implied, as more fully set forth in the License.
 *
 * See the NOTICE file distributed with this work for information regarding copyright ownership.
 */

import java.io.File;
import java.io.IOException;
import java.nio.file.FileVisitResult;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.nio.file.SimpleFileVisitor;
import java.nio.file.attribute.BasicFileAttributes;

public class Main {
    /**
     * Deletes a path recursively.
     *
     * @param path pathname to be deleted
     * @throws IOException when fails to delete
     */
    public static void deletePathRecursively(String path)
            throws IOException {
        Path root = Paths.get(path);
        Files.walkFileTree(root, new SimpleFileVisitor<Path>() {
            @Override
            public FileVisitResult visitFile(Path file,
                    BasicFileAttributes attrs) throws IOException {
                Files.delete(file);
                return FileVisitResult.CONTINUE;
            }

            @Override
            public FileVisitResult postVisitDirectory(Path dir,
                    IOException e) throws IOException {
                if (e == null) {
                    Files.delete(dir);
                    return FileVisitResult.CONTINUE;
                } else {
                    throw e;
                }
            }
        });
    }

    /**
     * Deletes the file or directory.
     *
     * Current implementation uses {@link java.io.File#delete()}, may change if there is a better
     * solution.
     *
     * @param path pathname string of file or directory
     * @throws IOException when fails to delete
     */
    public static void delete(String path) throws IOException {
        File file = new File(path);
        if (!file.delete()) {
            throw new IOException("Failed to delete " + path);
        }
    }
}

Related

1. deleteIndexBeforeStart(String basePath)
2. deleteLockFile(Path logFile)
3. deleteNotEmptyDirectory(Path path)
4. deleteOnExit(Path path)
5. deletePath(Path path)
6. deleteQuietly(@Nullable Path path)
7. deleteQuietly(Path dir)
8. deleteRecursive(Path path)
9. deleteRecursive(Path path)