src/com/android/documentsui/base/Files.java

/*
 * Copyright (C) 2016 The Android Open Source Project
 *
 * 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.
 */

package com.android.documentsui.base;

import java.io.File;

/**
 * Utility class for working with {@link File} instances.
 */
public final class Files {

    private Files() {}  // no initialization for utility classes.

    public static void deleteRecursively(File file) {
        if (file.isDirectory()) {
            for (File child : file.listFiles()) {
                deleteRecursively(child);
            }
        }
        file.delete();
    }
}