Java Delete File Recursively deleteRecursively(File file)

Description

Delete a file or a directory recursively.

License

Apache License

Declaration

public static void deleteRecursively(File file) throws IOException 

Method Source Code

//package com.java2s;
/*//from   w  ww. j  av  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;
import java.io.IOException;
import java.util.concurrent.TimeUnit;
import com.google.common.util.concurrent.Uninterruptibles;

public class Main {
    /** Delete a file or a directory recursively. */
    public static void deleteRecursively(File file) throws IOException {
        if (file.isDirectory()) {
            File[] children = file.listFiles();
            if (children != null) {
                for (File child : children) {
                    deleteRecursively(child);
                }
            }
        }
        if (!file.delete()) {
            // On windows, often the directory does not register as empty right away.
            Uninterruptibles.sleepUninterruptibly(5, TimeUnit.SECONDS);
            if (!file.delete()) {
                throw new IOException("Could not delete: " + file);
            }
        }
    }
}

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2. deleteRecursively(File directory)
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4. deleteRecursively(File f)
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6. deleteRecursively(File file)
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