/*
 * 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.
 */

package org.apache.amoro.utils;

import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import java.util.Comparator;

public class LocalFileUtil {

  public static void deleteDirectory(File directory) throws IOException {
    if (directory.exists()) {
      Files.walk(directory.toPath())
          .sorted(Comparator.reverseOrder())
          .map(java.nio.file.Path::toFile)
          .forEach(File::delete);
      directory.delete();
      if (directory.exists()) {
        throw new IOException("Unable to delete directory " + directory);
      }
    }
  }

  public static void mkdir(File directory) throws IOException {
    if (!directory.exists()) {
      directory.mkdirs();
    }

    if (!directory.isDirectory()) {
      throw new IOException("Unable to create :" + directory);
    }
  }
}
