/*
 * Copyright 2016-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.file;

import com.facebook.buck.event.BuckEventBus;
import java.io.IOException;
import java.net.PasswordAuthentication;
import java.net.URI;
import java.nio.file.Path;
import java.util.Optional;

/** Downloads bytes using an optional authentication. */
public interface AuthAwareDownloader {
  boolean fetch(
      BuckEventBus eventBus, URI uri, Optional<PasswordAuthentication> authentication, Path output)
      throws IOException;
}