PlotSquared/Core/src/main/java/com/plotsquared/core/util/FileUtils.java

/*
 *       _____  _       _    _____                                _
 *      |  __ \| |     | |  / ____|                              | |
 *      | |__) | | ___ | |_| (___   __ _ _   _  __ _ _ __ ___  __| |
 *      |  ___/| |/ _ \| __|\___ \ / _` | | | |/ _` | '__/ _ \/ _` |
 *      | |    | | (_) | |_ ____) | (_| | |_| | (_| | | |  __/ (_| |
 *      |_|    |_|\___/ \__|_____/ \__, |\__,_|\__,_|_|  \___|\__,_|
 *                                    | |
 *                                    |_|
 *            PlotSquared plot management system for Minecraft
 *                  Copyright (C) 2021 IntellectualSites
 *
 *     This program is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     This program is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public License
 *     along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
package com.plotsquared.core.util;

import org.checkerframework.checker.nullness.qual.NonNull;

import java.io.File;
import java.nio.file.Paths;

public final class FileUtils {

    private FileUtils() {
    }

    /**
     * Attempt to (recursively) delete a directory
     *
     * @param directory Directory to delete
     * @throws RuntimeException If the deletion fails
     */
    public static void deleteDirectory(final @NonNull File directory) {
        if (directory.exists()) {
            final File[] files = directory.listFiles();
            if (null != files) {
                for (final File file : files) {
                    if (file.isDirectory()) {
                        deleteDirectory(file);
                    }
                }
            }
        }
        if (!directory.delete()) {
            throw new RuntimeException(
                    String.format("Failed to delete directory %s", directory.getName()));
        }
    }

    public static @NonNull File getFile(final @NonNull File base, final @NonNull String path) {
        if (Paths.get(path).isAbsolute()) {
            return new File(path);
        }
        return new File(base, path);
    }

}