/*
 * Copyright 2012-present Facebook, Inc.
 *
 * 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.facebook.buck.util;

import com.google.common.base.Preconditions;

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

public final class MorePaths {
  // Utility class: do not instantiate.
  private MorePaths() {}

  public static Path newPathInstance(String path) {
    return separatorsToUnix(path);
  }

  public static Path newPathInstance(File file) {
    return separatorsToUnix(file.getPath());
  }

  /**
   * @return The path using UNIX path separators.
   */
  public static Path separatorsToUnix(String path) {
    return Paths.get(path.replace(File.separator, "/")).normalize();
  }

  /**
   * @return The path using UNIX path separators.
   */
  public static Path separatorsToUnix(Path path) {
    return separatorsToUnix(path.toString());
  }

  /**
   * @param toMakeAbsolute The {@link Path} to act upon.
   * @return The Path, made absolute and normalized.
   */
  public static Path absolutify(Path toMakeAbsolute) {
    return Preconditions.checkNotNull(toMakeAbsolute).toAbsolutePath().normalize();
  }
}