/*
 * Copyright 2014-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.java.abi;

import com.google.common.base.Preconditions;

import java.nio.file.Files;
import java.nio.file.Path;

class Walkers {

  private Walkers() {
    // Helper class
  }

  public static Walker getWalkerFor(Path path) {
    Preconditions.checkNotNull(path);

    if (Files.isDirectory(path)) {
      return new DirectoryWalker(path);
    } else {
      return new ZipWalker(path);
    }
  }
}